MBK's 19-Day Pivot, From Blocked Makino Bid to Altemira Acquisition
Nidec Hostile TOB → Makino's White Knight SOS → MBK Wins Preferred Bidder → Japan's First FEFTA Cease Recommendation in 18 Years → 19-Day Pivot to Altemira + MBK's Firmwide AI Agent
Background
Makino (Makino Milling Machine Co., Ltd.)
Founded 1937, listed on the Tokyo Stock Exchange first section (code 6135). One of Japan's flagship machine-tool makers, world-class machining centers (MC), 5-axis precision machining, and electrical discharge machines (EDM). A common upstream supplier to automotive, aerospace, semiconductor equipment, medical device, and defense industries. Japan's government has long classified Makino's product family as strategic-industry infrastructure. Market cap ~¥200B as of April 2025.
Nidec's hostile TOB.
On April 4, 2025, Nidec, the world's largest precision motor maker, also listed on the TSE first section, launched a hostile tender offer for Makino at ¥11,000 per share (+42% premium to prior close) for a total of ¥257B (~USD 1.78B). A listed-company hostile bid on another listed company is rare in Japan. Market note: the user's recollection that the hostile bidder was "another Japanese private equity fund" is incorrect per primary sources, the hostile bidder was Nidec, a listed motor conglomerate.
Makino's defense, poison pill + court rejection of Nidec's injunction
On April 21, 2025, Makino's board resolved to adopt a poison pill (free share-purchase rights) and seek shareholder approval at the June annual general meeting. Nidec filed for an injunction at the Tokyo District Court, which was rejected. With the injunction path closed, Nidec withdrew its TOB in May 2025, barely a month after launch. The lesson for Makino's board: a poison pill stops one bidder but not the next. Mid-term white-knight talks began immediately.
White-knight selection, Carlyle vs. MBK two-way race
Makino's board ran simultaneous talks with Carlyle (US PE) and MBK Partners. Both had strong Japan track records. In June 2025, MBK secured preferred-bidder status. Through a newly formed SPV MM Holdings, MBK planned a full take-private tender at ¥11,751 per share (+6.8% above Nidec) for a total of ~¥274.8B (~₩2T). U.S., Chinese, and European foreign-investment screenings all approved the transaction. Every approval step proceeded on schedule.
April 22, 2026, 18-year-first FEFTA cease recommendation.
One month before closing, on April 22, 2026, Japan's Ministry of Finance and METI invoked Article 27, paragraph 5 of the FEFTA (Foreign Exchange and Foreign Trade Act) to issue a 'cease recommendation' (中止勧告) to MBK. The first such recommendation since the FEFTA amendment took effect in 2017, and the first cease recommendation of any kind since the 2008 TCI vs. J-Power dispute, 18 years. The stated rationale: Makino's high-end machining centers are dual-use technology with implications for defense, aerospace, semiconductor, and medical device supply chains, and potential diversion to military applications. Only Japan blocked the deal, the U.S., China, and Europe had all already approved it.
MBK's immediate withdrawal and 19-day pivot.
MBK accepted the recommendation within the 10-day window and withdrew the Makino TOB. Refusal would have escalated the action to a legally binding amendment / cease order and damaged MBK's long-term standing in the Japanese market. Then, just 19 days after the withdrawal, on May 11, 2026, MBK announced the acquisition of Altemira Holdings (Japan's #3 aluminum-can maker) from Apollo Global Management for ¥117.5B (¥130B including debt, ~₩1.1~1.2T). Despite Altemira's lithium-ion battery pouch production triggering Core Industry FEFTA pre-screening, the deal cleared in approximately two months. Same government, same PE firm, two opposite verdicts.
MBK's firmwide AI, commonly known as Project Athena.
One reason cited in market discussion for the 19-day pivot is MBK's proprietary AI agent system. Chairman Michael ByungJu Kim has publicly stated, under the banner of "Every business is an AI business," that MBK has built an AI decision-support system across sourcing, valuation, and portfolio management, with its agent system handling more than 20,000 analytical and execution-support tasks per month. Commonly referred to as Project Athena in market discussion, though the formal code name is not directly confirmed in primary sources. Where global mega-PE firms (Apollo, Blackstone, KKR) are moving toward external AI licensing models, MBK is taking the in-house AI operating model path, a different track for automating decision-making at the GP level itself.
Deal Summary
- Deal Value
- Makino ~¥274.8B (blocked) + Altemira ¥117.5B (¥130B incl. debt, ~₩1.1~1.2T)
- Acquirer
- MBK Partners (Makino via SPV MM Holdings / Altemira direct)
- Target
- Makino Milling Machine (blocked) → Altemira Holdings (acquired)
- Announced
- Makino preferred bidder June 2025 → cease recommendation Apr 22, 2026 → Altemira announcement May 11, 2026
- Closed
- Altemira acquisition announced May 11, 2026 (FEFTA pre-screening approved)
- Country
- Japan
Executive Summary
- [Five-layer 13-month structure] Nidec hostile TOB (Apr 2025) → Makino poison pill + injunction rejected → MBK secures preferred-bidder status (Jun 2025) → FEFTA cease recommendation by Japanese government (Apr 22, 2026) → 19-day pivot to Altemira acquisition (May 11, 2026)
- [The hostile bidder was Nidec, not a private equity fund] Nidec, the world's largest precision motor maker, TSE first-section listed, launched the ¥11,000/share, ¥257B hostile TOB. Withdrew in May 2025 after Makino's poison pill and Tokyo District Court rejection of Nidec's injunction.
- [Carlyle vs. MBK white-knight race] Makino's board ran simultaneous talks; MBK won preferred-bidder status in June 2025. Through SPV MM Holdings, MBK planned a full take-private TOB at ¥11,751/share (+6.8% above Nidec) for ¥274.8B (~₩2T).
- [18-year-first FEFTA cease recommendation] April 22, 2026: Japan's Ministry of Finance and METI invoked FEFTA Article 27(5) to issue a cease recommendation to MBK, the first under the amended FEFTA (2017) and the first cease recommendation of any kind since TCI–J-Power in 2008. Rationale: dual-use nature of Makino's high-end machining centers (defense, aerospace, semiconductor, medical).
- [Japan blocks alone, U.S., China, Europe all approved] The same transaction had cleared every other major jurisdiction's foreign-investment review. Only Japan blocked, a signal that FEFTA enforcement has become precision-tuned to a dual-use risk matrix by asset type.
- [19-day pivot to Altemira] 19 days after Makino withdrawal, MBK announced the acquisition of Altemira Holdings (Japan's #3 aluminum-can maker) from Apollo for ¥117.5B (¥130B including debt). Despite Altemira's lithium-ion battery pouch production making it a Core Industry FEFTA pre-screening case, it cleared in approximately two months.
- [Same government, same PE firm, opposite verdicts] Makino (machine tools, 10 months of consultation → blocked) vs. Altemira (aluminum cans + battery parts, ~2 months → approved). A defining moment for Korean and global PE firms entering Japan, the question shifts from "can a PE firm enter?" to "which assets can be entered and which cannot?"
- [MBK's firmwide AI, commonly Project Athena] Chairman Kim's public statements: in-house AI agent handles 20,000+ analytical and execution tasks per month. Cited as a key enabler of the 19-day pivot. Different track from global mega-PE's external-AI-licensing model, MBK's in-house AI operating model.
Industry Overview
Japan's industrials market in 2025-2026 became the testing ground for foreign PE hostile bids + Japanese government FEFTA enforcement precision-tuning. The 2017 FEFTA amendment formally codified post-investment intervention rights for national-security-relevant foreign investments, but the new power went unused for nine years until the April 2026 Makino case became the first invocation. One month later, the same government cleared Altemira's Core Industry pre-screening in ~2 months. The 19-day gap between opposite verdicts is now read by the market as "FEFTA has shifted from blanket deterrence to asset-by-asset dual-use risk matrix enforcement."
Makino market cap (Apr 2025)
~¥200B
Before Nidec TOB
Nidec TOB price
¥11,000/sh
+42% premium / total ¥257B
MBK TOB price
¥11,751/sh
+6.8% above Nidec / total ¥274.8B
Altemira acquisition price
¥117.5B
¥130B incl. debt (~₩1.1~1.2T)
Altemira Holdings is Japan's #3 aluminum-can maker, formed from the 2022 integration of Showa Denko's (now Resonac) and Mitsubishi Materials' aluminum businesses under Apollo's ownership. Revenue ~¥200B/year. Lithium-ion battery pouch manufacturing made it a Core Industry pre-screening case under FEFTA, but the Japanese government judged "national-security threat low" and approved within ~2 months.
Key Players
Company Overview: Altemira Holdings Inc. (alternative target) · Makino Milling Machine Co. (blocked target)
This transaction features two companies. Blocked target Makino: Founded 1937, TSE first-section listed (6135). World-class 5-axis precision machining and EDM. Common upstream supplier to automotive, aerospace, semiconductor equipment, and medical device industries. Revenue ~¥250B/year (estimated). Alternative target Altemira: Japan's #3 aluminum-can maker, formed in 2022 from the integration of Showa Denko's and Mitsubishi Materials' aluminum businesses under Apollo's ownership. Revenue ~¥200B/year. Two business lines: beverage cans + lithium-ion battery pouches. Both companies are Japanese industrials, but they sit on opposite ends of the dual-use risk matrix.
Makino revenue (FY2024 E)
~¥250B
Machine tools, MC, EDM
Makino market cap (Apr 2025)
~¥200B
Before Nidec TOB
Altemira revenue (FY2024 E)
~¥200B
Aluminum cans + battery pouches
Altemira acquisition price (Apollo→MBK)
¥117.5B
¥130B incl. debt
Control Battle Overview
The 13-month sequence triggered by Nidec's hostile TOB unfolded across five simultaneous stages: attack, defense, white knight, government intervention, and pivot. The fact that the same Japanese government issued opposite verdicts on the same MBK within 19 days makes this case an inflection point for Korean and global PE.
On April 4, 2025, Nidec, a TSE-listed precision motor giant, launched a hostile TOB on Makino at ¥11,000 per share (¥257B / ~USD 1.78B total), a rare listed-on-listed hostile attempt in Japan.
📈 Price Impact
Makino's share price traced: Nidec TOB announcement (+30% surge) → MBK white-knight ¥11,751 anchor → post-FEFTA reversion to the ¥11,000s. Altemira is private (Apollo-MBK direct), so no market-price formation. At ¥117.5B headline / ¥130B with debt, implied EV/EBITDA ~8.1x.
🗡️ Battle Timeline
Nidec launches hostile TOB, ¥11,000/share, ¥257B
Nidec, a TSE first-section listed motor giant, launches a hostile TOB on Makino at ¥11,000 per share (+42% premium to prior close), ¥257B total. A rare listed-on-listed hostile attempt in Japan.
Poison pill adopted, gratis allotment of share-acquisition rights
Makino's board approves a gratis allotment of share-acquisition rights (poison pill) and seeks shareholder approval at the June AGM. If Nidec exceeds a threshold stake, new shares are issued cheaply to existing shareholders, diluting Nidec's position.
Nidec injunction denied, TOB path sealed
Nidec files an injunction against the poison pill at Tokyo District Court. The injunction is denied, effectively sealing Nidec's TOB path. Within a month, Nidec withdraws.
Nidec withdraws TOB
With the poison pill in place and the injunction denied, Nidec formally withdraws the TOB. Round 1 ends.
White knight selected, MBK secures preferred status over Carlyle
Makino's board negotiates with Carlyle (US PE) and MBK Partners as parallel white-knight candidates. In June 2025, MBK secures preferred-bidder status. MBK plans to take Makino fully private via a new SPV MM Holdings at ¥11,751 per share (+6.8% over Nidec), totaling roughly ¥274.8B (~₩2T).
FEFTA Article 27(5) cease recommendation, first case in 18 years
One month before MBK's expected closing, the Japanese government issues a cease recommendation under FEFTA Article 27(5). First case since the 2017 FEFTA amendment, first cease recommendation in 18 years since the 2008 TCI-J-Power dispute. Rationale: Makino's machining-center dual-use technology (defense, aerospace, semiconductors, medical devices). The US, China, and EU had all already cleared the deal, Japan alone blocked it.
MBK withdraws Makino TOB, accepts recommendation
Within the 10-day window, MBK accepts the cease recommendation and withdraws the Makino TOB. Refusal could have escalated to a legally binding change/cease order, with long-term Japan-market reputational damage. Round 2 ends.
[19-day pivot] Altemira acquisition from Apollo announced
Just 19 days after the Makino withdrawal, MBK announces a 100% acquisition of Altemira Holdings (Japan's #3 aluminum can maker) from Apollo Global Management for ¥117.5B (¥130B incl. debt, ~₩1.1-1.2T). Despite Altemira's lithium-ion battery component production making it a core-sector FEFTA pre-screening target, clearance was obtained in roughly two months. Same government, same sponsor, opposite verdicts. MBK's in-house AI agent (commonly known as Project Athena) and its parallel target tracking are cited as the enabler of the 19-day pivot.
Nidec launches hostile TOB, ¥11,000/share, ¥257B
Nidec, a TSE first-section listed motor giant, launches a hostile TOB on Makino at ¥11,000 per share (+42% premium to prior close), ¥257B total. A rare listed-on-listed hostile attempt in Japan.
Poison pill adopted, gratis allotment of share-acquisition rights
Makino's board approves a gratis allotment of share-acquisition rights (poison pill) and seeks shareholder approval at the June AGM. If Nidec exceeds a threshold stake, new shares are issued cheaply to existing shareholders, diluting Nidec's position.
Nidec injunction denied, TOB path sealed
Nidec files an injunction against the poison pill at Tokyo District Court. The injunction is denied, effectively sealing Nidec's TOB path. Within a month, Nidec withdraws.
Nidec withdraws TOB
With the poison pill in place and the injunction denied, Nidec formally withdraws the TOB. Round 1 ends.
White knight selected, MBK secures preferred status over Carlyle
Makino's board negotiates with Carlyle (US PE) and MBK Partners as parallel white-knight candidates. In June 2025, MBK secures preferred-bidder status. MBK plans to take Makino fully private via a new SPV MM Holdings at ¥11,751 per share (+6.8% over Nidec), totaling roughly ¥274.8B (~₩2T).
FEFTA Article 27(5) cease recommendation, first case in 18 years
One month before MBK's expected closing, the Japanese government issues a cease recommendation under FEFTA Article 27(5). First case since the 2017 FEFTA amendment, first cease recommendation in 18 years since the 2008 TCI-J-Power dispute. Rationale: Makino's machining-center dual-use technology (defense, aerospace, semiconductors, medical devices). The US, China, and EU had all already cleared the deal, Japan alone blocked it.
MBK withdraws Makino TOB, accepts recommendation
Within the 10-day window, MBK accepts the cease recommendation and withdraws the Makino TOB. Refusal could have escalated to a legally binding change/cease order, with long-term Japan-market reputational damage. Round 2 ends.
[19-day pivot] Altemira acquisition from Apollo announced
Just 19 days after the Makino withdrawal, MBK announces a 100% acquisition of Altemira Holdings (Japan's #3 aluminum can maker) from Apollo Global Management for ¥117.5B (¥130B incl. debt, ~₩1.1-1.2T). Despite Altemira's lithium-ion battery component production making it a core-sector FEFTA pre-screening target, clearance was obtained in roughly two months. Same government, same sponsor, opposite verdicts. MBK's in-house AI agent (commonly known as Project Athena) and its parallel target tracking are cited as the enabler of the 19-day pivot.
🔩 Key Instruments
⚔️ Offense Playbook— Nidec (Hostile TOB) → MBK (White-Knight TOB)
Direct proposal to shareholders without board consent. +42% premium (¥11,000) to attract tendering. Defeated by the poison pill and the court's injunction denial.
In-house AI decisioning across sourcing, valuation, and portfolio management. 20,000+ analyses per month. Parallel target tracking during Makino negotiations enabled the 19-day pivot. Distinct from global mega-PE firms that license external AI, MBK runs its own stack.
🛡️ Defense Playbook— Makino Board → Japan's FEFTA
Above a threshold stake, new shares are issued cheaply to existing shareholders, diluting the hostile bidder. Japan-style poison pill. The decisive weapon against Nidec.
Parallel Carlyle-MBK negotiation forces price competition. MBK secures preferred status at ¥11,751 (+6.8% over Nidec). Ultimately blocked by FEFTA.
⚖️ Third-Party Intervention
Japan MOF · METI
First post-investment intervention in 9 years under the 2017-amended FEFTA. First cease recommendation in 18 years since TCI-J-Power (2008). Rationale: dual-use technology protection. Korean and global PE now treat asset-by-asset pre-classification matrices as mandatory before any Japan entry.
Turning Point
2026-04-22FEFTA cease recommendation, first case in 18 years
The decisive inflection point of the 13-month sequence. Japan's MOF and METI invoked FEFTA Article 27(5) against MBK, effectively blocking the Makino acquisition. The fact that the US, China, and EU had all cleared the deal while Japan alone blocked it redefined Japan-entry strategy for Korean and global PE. The same government clearing Altemira (aluminum cans) within roughly two months just 19 days later clarified that FEFTA operates as a dual-use risk matrix, not blanket blockade.
Final Verdict
DrawMakino remains independent + MBK pivots to Altemira, a multi-layered outcome
Margin: Makino: blocked both Nidec and MBK / MBK: Japan exposure roughly halved (¥274.8B → ¥117.5B) / Japan government: FEFTA enforcement signaling
A multi-layered outcome with no single winner. Makino kept its independence, MBK preserved its Japan-market entry, and Japan signaled its willingness to protect dual-use assets. For Korean and global PE, the new standard is now asset-by-asset dual-use classification determines deal feasibility in Japan.
Deal Structure
This is a highly unusual structure: one PE firm executing two transactions on the same sovereign within a 19-day window, one forced to abort, one completed. Makino acquisition was planned through SPV MM Holdings at ¥11,751/share for a total ¥274.8B full take-private, but was stopped by Japan's FEFTA Article 27(5) cease recommendation. Altemira was acquired directly from Apollo for 100% of equity at ¥117.5B (¥130B including debt). Both transactions were FEFTA-reviewable by the same Japanese government, but they received opposite verdicts under the dual-use risk matrix.
Pre-Deal
Nidec
TOB attempt → withdrawn
Makino
Machine tools, TSE first section
Apollo
100% owner of Altemira
Altemira
Japan #3 aluminum cans
MBK Partners
Makino white-knight preferred bidder
Post-Deal
Makino
Independent (acquisition aborted)
MBK Partners
Altemira 100% acquired
Altemira
MBK portfolio company
Key Terms
Advisors
This deal comprises two separate transactions within one PE firm, executed 19 days apart with distinct advisor lineups. Public confirmation of advisor mandates is limited; what follows is consolidated from market reporting.
MBK Partners (Acquirer on both) Advisors
MBK Partners in-house + Japanese advisors
Financial Advisor (in-house + Japan)Makino TOB pricing and structure, Altemira purchase negotiations, both led in-house with Japan IB/legal support
(Undisclosed, market observation: Tokyo majors such as Anderson Mori & Tomotsune or Nishimura)
Legal AdvisorFEFTA review response, cease-recommendation acceptance, Altemira SPA (formal disclosure limited)
Apollo (Altemira seller) / Makino board (white-knight side) Advisors
Apollo Global Management in-house
Altemira Sell-Side Advisor (in-house)Standard Apollo exit cycle after 2022 integration, pricing and structure led in-house
Makino white-knight advisors (undisclosed)
Makino board side white-knight advisorsRan simultaneous Carlyle and MBK negotiations leading to MBK selection (specific advisors unconfirmed)
Note: Advisor information is based on Nikkei and market reporting; some are unconfirmed. The two transactions ran separate advisor lineups.
Financials
Unit: hundred-million JPY (¥100M). Makino on disclosed basis; Altemira on market estimates (private since 2022 integration). FY2024 E = Estimated. Sources: EDINET, Nikkei, press reports.
| Item | Makino FY2022 | Makino FY2023 | Makino FY2024 E | Altemira FY2023 | Altemira FY2024 E |
|---|---|---|---|---|---|
| Revenue | JPY 23,000100M JPY | JPY 24,500100M JPY | JPY 25,000100M JPY | JPY 19,000100M JPY | JPY 20,000100M JPY |
| COGS | JPY 18,500100M JPY | JPY 19,700100M JPY | JPY 20,000100M JPY | JPY 16,500100M JPY | JPY 17,300100M JPY |
| Gross Profit | JPY 4,500100M JPY | JPY 4,800100M JPY | JPY 5,000100M JPY | JPY 2,500100M JPY | JPY 2,700100M JPY |
| SG&A | JPY 2,700100M JPY | JPY 2,800100M JPY | JPY 2,900100M JPY | JPY 1,400100M JPY | JPY 1,500100M JPY |
| Operating Income | JPY 1,800100M JPY | JPY 2,000100M JPY | JPY 2,100100M JPY | JPY 1,100100M JPY | JPY 1,200100M JPY |
| EBITDA | JPY 2,400100M JPY | JPY 2,600100M JPY | JPY 2,700100M JPY | JPY 1,500100M JPY | JPY 1,600100M JPY |
| EBITDA Margin | 10.4% | 10.6% | 10.8% | 7.9% | 8.0% |
Valuation
Valuation must be assessed as two separate transactions. Makino: Nidec ¥11,000 and MBK ¥11,751 both served as price discovery mechanisms, but the deal terminated as "price determined, transaction blocked." Altemira: Apollo acquired the assets in 2022 at roughly ¥80B; selling at ¥117.5B (¥130B incl. debt) in ~4 years implies ~1.5x return. For MBK, the net effect is Japan market exposure secured at ~₩1.1-1.2T versus the originally planned ₩2T, about half the originally planned scale.
| Metric | Value | Notes |
|---|---|---|
| Makino market cap (pre-Nidec TOB, Apr 2025) | ~¥200B | Prior close basis |
| Nidec TOB price (hostile) | ¥11,000/sh | +42% premium / total ¥257B |
| MBK TOB price (white knight) | ¥11,751/sh | +6.8% above Nidec |
| MBK TOB total size | ¥274.8B (~₩2T) | Full take-private basis |
| MBK Makino EV/EBITDA (estimated) | ~10.2x | FY2024 E EBITDA ¥270B basis |
| Altemira acquisition price (Apollo→MBK) | ¥117.5B | ~₩1.1~1.2T / ¥130B incl. debt |
| Apollo Altemira return (4-yr hold, estimated) | ~1.5x | Vs. ~¥80B at 2022 integration |
| Altemira EV/EBITDA (estimated) | ~8.1x | FY2024 E EBITDA ¥160B basis incl. debt |
| MBK Japan exposure (Makino vs Altemira) | ₩2T → ₩1.2T | Roughly halved |
Note: Some financial figures, EBITDA, and EV/EBITDA are market estimates. Items not directly verified in primary sources are marked as estimated.
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Deal Rationale
MBK Partners, Logic of Both Transactions
- [Makino entry logic] Top-tier Japanese machine-tool technology asset + price discovery from Nidec's hostile bid + cooperative partnership with Makino board, a rare "defender + capital partner" combined structure in Korean and Japanese PE.
- [Outbidding Carlyle for preferred-bidder status] Won the white-knight race after simultaneous talks with Carlyle. The +6.8% premium above Nidec (¥11,751) gave Makino's board both economic and reputational cover.
- [FEFTA cease-recommendation acceptance was the rational choice] Refusal would have escalated to a legally binding amendment/cease order plus permanent reputational damage in Japan. Accepting within the 10-day window preserved long-term re-entry to the Japanese market.
- [Speed of the Altemira pivot] 19 days from withdrawal to a ₩1.2T acquisition announcement is extraordinarily fast versus typical PE sourcing-diligence-negotiation cycles. MBK's firmwide AI agent, commonly Project Athena, likely ran parallel tracking of alternative Japanese targets during the Makino process.
- [Reversed the cold-dead Japan-market scenario] The FEFTA cease recommendation initially raised market fears that MBK was effectively shut out of Japan. The 19-day pivot reversed that narrative: "the same government clears different assets."
Apollo (Altemira sell-side) · Makino board (white-knight selection)
- [Apollo's Altemira sale logic] Held the integrated platform for ~4 years since the 2022 Showa Denko + Mitsubishi Materials consolidation. ¥117.5B (¥130B incl. debt) implies ~1.5x return vs. integration entry. Standard PE exit cycle post-integration-and-restructuring.
- [Apollo's Asia capital return + global rebalancing] First holding period captured part of the Japanese lithium-ion battery growth. MBK as next-stage growth capital partner can continue investment cycles.
- [Makino board's white-knight selection logic] Blocked Nidec via poison pill + court + TOB withdrawal in three layers, but that was only short-term defense. Ran simultaneous Carlyle and MBK negotiations to balance price + operational fit + long-term Japan-market trust.
- [MBK chosen over Carlyle on +6.8% premium] ¥11,751 vs. Nidec's ¥11,000 satisfied both shareholder economics and board justification.
Post-Deal Assessment (May 2026 as of)
The 13-month sequence effectively concluded with the May 11, 2026 Altemira announcement. For MBK, the net outcome is Makino ₩2T blocked + Altemira ₩1.2T closed, Japan market exposure roughly halved versus the original plan, but the worst-case scenario (effective exit from Japan) was avoided. For Japan's government, FEFTA Article 27(5) was invoked for the first time in nine years, and the 19-day gap between opposite verdicts demonstrated dual-use risk matrix enforcement in operation. For Korean and global PE, the case establishes a new standard: "Japan-market entry now depends on asset-by-asset dual-use classification."
Positives
- [MBK] ₩1.2T alternative deal closed within 19 days of Makino blockage, Japan market presence preserved. The rapid pivot demonstrates the value of in-house AI agents in execution
- [Apollo] ~1.5x return after 4-year hold, standard PE exit cycle post-integration
- [Makino] Defended against the hostile bid + white-knight talks ran but neither Nidec nor MBK ultimately closed, a unique result of independent continuation
- [Japanese government] First FEFTA Article 27(5) invocation in nine years signaled willingness to protect dual-use assets. Approving Altemira quickly clarified that enforcement is matrix-based, not blanket
Risks & Concerns
- [MBK] Reputational scar as "the first PE to receive a FEFTA cease recommendation in 18 years." Future Japan-strategic-asset acquisitions may face heightened pre-screening
- [Japan's PE market] Stricter FEFTA enforcement structurally raises barriers for foreign PE firms targeting dual-use assets. Japanese domestic PE firms gain a relative competitive edge
- [Makino] Short-term defended but mid-to-long-term governance vulnerability remains. Next hostile bidder may face the same cycle
- [Altemira] Lithium-ion battery pouch global competition (direct integration by Chinese and Korean cell makers) + EV demand volatility, the key operating risk during MBK's hold
This announcement appears as a matter of record only
MBK Partners
Acquirer
Makino (blocked) → Altemira Holdings Inc. (acquired)
Target
MBK's 19-Day Pivot Under Japan's First FEFTA Cease Recommendation in 18 Years
Transaction Size
Makino ~¥274.8B (blocked) + Altemira ¥117.5B (¥130B incl. debt)
Makino ~USD 1.78B (blocked) + Altemira ~USD 760M
EV / EBITDA
N/A (regulatory block + pivot)
Multiple
Closed
May 11, 2026 (Altemira announcement)
Deal Date
Editor's Note
The single most important takeaway of this 13-month sequence is the fact that the same government issued opposite verdicts on two assets for the same PE firm 19 days apart. Japan's FEFTA enforcement has shifted to a dual-use risk matrix by asset type, and Korean, U.S., and European PE firms entering Japan must now classify targets by dual-use exposure before sourcing. For MBK specifically, the case is the first real-world demonstration that in-house AI agents (commonly Project Athena) running 20,000+ tasks per month can deliver execution speed advantages at the GP level itself, likely a defining moment for how PE firms differentiate operating capabilities going forward., Reviewed as of May 2026.
Key Concepts in This Deal
A public offer to purchase shares directly from shareholders without board consent. Nidec launched a ¥11,000/share, ¥257B hostile TOB for Makino, then withdrew after the poison pill and Tokyo District Court injunction rejection.
A defensive mechanism that issues new shares cheaply to existing shareholders when a hostile bidder crosses a threshold, diluting the bidder. In Japan, executed via 'free share-purchase rights allocation' (新株予約権無償割当). Makino's poison pill stopped Nidec.
A friendly third-party investor that emerges to defend against a hostile bid. MBK secured Makino's preferred white-knight status (June 2025) after simultaneous talks with Carlyle.
Japan's foreign-investment regulation framework. The 2017 amendment strengthened post-investment intervention rights for security-relevant assets. Article 27(5) authorizes Japan's MOF and METI to issue a [cease recommendation] to foreign investors. The Makino case was the first invocation since 2017.
A trade-stop request under FEFTA Article 27(5). Initially recommendatory in nature, but refusal can be escalated to a legally binding amendment/cease order. The 2008 TCI–J-Power case was the last prior precedent, making the Makino case the first in 18 years.
Technology with both civilian and military applications. Machine tools (machining centers, EDM) are used not just in automotive, aerospace, semiconductor, and medical industries but also in defense supply chains, assigned high tiers in the dual-use risk matrix.
FEFTA pre-investment screening required when a foreign investor targets a designated core industry (defense, telecom, energy, semiconductors, batteries, etc.). Altemira's lithium-ion battery pouch production made it a Core Industry case, but Japan judged "security threat low" and approved within ~2 months.
A PE firm's proprietary AI system automating and amplifying sourcing, valuation, portfolio management, and execution decisions. MBK's system, commonly referred to as Project Athena, handles 20,000+ tasks per month. Global mega-PE firms (Apollo, Blackstone, KKR) are moving toward external-AI-licensing models, while MBK runs an in-house operating model.
Refers to MBK's announcement of a ₩1.2T Altemira acquisition just 19 days after withdrawing the Makino TOB under the FEFTA cease recommendation. Extraordinarily fast versus typical PE sourcing cycles, likely enabled in part by parallel target tracking via MBK's in-house AI agent during the Makino process.
Frequently Asked Questions
Was the hostile bidder for Makino a Japanese private equity fund?
No. The hostile bidder was [Nidec], the world's largest precision motor maker, a Tokyo Stock Exchange first-section listed corporation. Not a PE fund, but a [hostile bid by one listed corporation on another listed corporation], uncommon in Japan. Nidec launched the ¥11,000/share, ¥257B hostile TOB on April 4, 2025, then withdrew in May after Makino's poison pill and the Tokyo District Court rejecting Nidec's injunction. MBK secured preferred-bidder status as white knight in June 2025 after parallel talks against Carlyle.
Why is Japan's FEFTA cease recommendation such a significant event?
Two reasons. First, [it was the first invocation since the FEFTA amendment took effect in 2017], nine years with the post-investment intervention power on the books and never used. Second, [it was the first cease recommendation of any kind since the 2008 TCI vs. J-Power dispute, 18 years]. A signal global PE and hedge funds cannot ignore when planning Japan entry. The stated rationale was the [dual-use nature of Makino's high-end machining centers] (defense, aerospace, semiconductor, medical, potential military diversion), and most strikingly, the U.S., Chinese, and European foreign-investment authorities had all already approved the same deal, [only Japan blocked it].
How did MBK announce a new acquisition just 19 days after the Makino blockage?
Two confirmed factors. ① Altemira had been an Apollo portfolio asset under exit review since 2022, so MBK could [build on existing data and partial diligence]. ② MBK's firmwide AI agent, referred to in market discussion as [Project Athena], runs 20,000+ analytical and execution-support tasks per month according to Chairman Kim's public remarks, and likely [tracked alternative Japanese targets in parallel] during the Makino process. Where global mega-PE firms (Apollo, Blackstone, KKR) are adopting external-AI-licensing models, MBK has built an [in-house AI operating model], making the 19-day pivot a possible first real-world demonstration of PE-level decision automation. Note: the formal code name "Project Athena" is not directly confirmed in primary sources; the article uses "commonly referred to as Project Athena" as a safer formulation.
Why did the same Japanese government block Makino but approve Altemira just 19 days apart?
The two assets sit on opposite ends of the [dual-use risk matrix]. Makino: machine tools, machining centers, and EDM are common upstream supply to automotive, aerospace, semiconductor industries plus [the defense supply chain], top-tier dual-use classification. The U.S., China, and Europe approved the deal, but Japan blocked it to protect its domestic defense supply chain. Altemira: aluminum cans + lithium-ion battery pouches, battery-component production made it a [Core Industry pre-screening] case, but Japan's authorities judged "security threat low" and [approved it in ~2 months]. The 19-day gap with opposite verdicts signals that [FEFTA enforcement has shifted from blanket deterrence to precision-tuned matrix enforcement by asset type].
What does this case mean for Korean and global PE markets?
Three implications. First, [pre-classifying Japanese targets by dual-use risk is now mandatory]. Korean PE (MBK, Hahn & Company, IMM PE, etc.) and global PE (Carlyle, KKR, Bain Capital, etc.) must build a dual-use risk matrix into their Japan sourcing process. Second, [Japanese domestic PE firms gain relative competitive advantage], as foreign firms become more cautious, Japan-based PEs (Advantage Partners, Japan Industrial Partners) become near-monopoly bidders on dual-use assets. Third, [in-house AI agents may become a differentiating operating capability], MBK's 19-day pivot validates that GP-level in-house AI delivers [speed of decision and parallel target tracking] superior to the external-AI-licensing model adopted by global mega-PE.
What exactly is Project Athena, and is it an official name?
[The formal name is not directly confirmed in primary sources.] What is confirmed: Chairman Kim has publicly stated, under the banner of ["Every business is an AI business,"] that MBK has built an AI decision-support system across sourcing, valuation, and portfolio management, with the in-house AI agent handling [20,000+ analytical and execution-support tasks per month]. Market discussion commonly refers to this system as [Project Athena], but no MBK statement confirms it as the official code name. This article therefore uses "MBK's firmwide AI agent, commonly referred to as Project Athena" as a safer formulation. Specific code names and functional details will be updated as additional primary sources become available.
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Sources & Notes
- [1]Nikkei Asia, Japan's Nidec withdraws hostile bid for milling machine maker (May 2025)
- [2]Nikkei Asia, Asian private equity fund MBK to acquire Japanese aluminum components maker (May 2026)
- [3]Nippon.com, Asian Fund MBK to Acquire Japanese Aluminum Can Maker Altemira (May 11, 2026)
- [4]Reuters via Investing.com, Carlyle in white knight talks with Makino, say sources (Apr 2025)
- [5]Akasaka International Law Office, MBK Makino takeover and Japan's 18-year-first cease recommendation (Apr 2026)
- [6]Jitsugyo no Nihon Forum, Makino Frase acquisition halted: first cease recommendation under amended FEFTA (Apr 2026)
- [7]Nikkei Shimbun, Amended FEFTA, expanding post-investment intervention on security grounds (May 2026)
- [8]METI, Security Trade Management Official Site
- [9]Seoul Economic Daily EN, Japan Orders MBK to Halt Makino Acquisition on Security (Apr 23, 2026)
- [10]Seoul Economic Daily, Japan recommends MBK halt Makino acquisition, defending core defense industry (Apr 2026)
- [11]Seoul Economic Daily, MBK to acquire Japan's #3 aluminum Altemira for ¥130B (May 2026)
- [12]Financial News, Nikkei: MBK acquires Japan's Altemira, FEFTA pre-screening approved (May 11, 2026)
- [13]Dealsite, MBK Makino ₩2T big deal falls through, Japan strategy in flux (Apr 2026)
- [14]Douglas Research Substack, MBK Partners Plans to Launch a Tender Offer for Makino Milling Machine (Jun 2025)
- [15]CorpDev.org, Carlyle's White Knight Gambit in the Makino-Nidec Saga (Apr 2025)
- [16]CorpDev.org, Japan's Economic Security Shield: Tokyo blocks $1.7B MBK bid for Makino (Apr 2026)
- [17]The Public, Chairman Kim's 4 growth drivers (AI, Japan, Healthcare, Private Credit); MBK firmwide AI handling 20,000+ tasks/month