Top mergers and acquisitions in Japan in November 2026
Every verified merger and acquisition involving Japan in this period, ranked by disclosed value. Updated every morning.
We tracked 4 deals involving Japan in November 2026, 2 of them with a disclosed value, worth $8.3bn in total. The largest was Mitsui Chemicals, Inc.'s $8.2bn approach for JSR Corporation (from Japan Investment Corporation), ahead of Nippon Shokubai Co., Ltd. and Goo Chemical Co., Ltd. at $127m.
Top mergers and acquisitions in Japan in November 2026
- 14 NovMitsui Chemicals, Inc. → JSR Corporation (from Japan Investment Corporation)Mitsui Chemicals in talks to buy JSR for over ¥1.3tnChemicals / Semiconductor materialsIn talks$8.2bn
- 22 NovNippon Shokubai Co., Ltd. → Goo Chemical Co., Ltd.Nippon Shokubai buys Goo Chemical for ¥20bn to bolster chip materialsChemicals / Specialty resins and electronic materialsCompleted$127m
- 34 NovJapan Post Bank Co., Ltd. → Matsui Securities Co., Ltd. (about 20% stake)Japan Post Bank agrees to buy 20% of Matsui SecuritiesFinancials / Online brokerageAgreedUndisclosed
- 42 NovTokai Kogyo Holdings Co., Ltd. → Kinugawa Rubber Industrial Holdings Co., Ltd. (100% of voting shares, from Development Bank of Japan and Commons Share Holdings)Tokai Kogyo to buy Kinugawa Rubber from Development Bank of JapanIndustrials / Auto partsAgreedUndisclosed