Takeover bids and 5% stakes
Built from EDINET filings for every listed company, over the 30 days to the newest complete filing day. Each row links to the filing on EDINET. Nothing here is a view on any company.
From 13 September 2026 to 12 October 2026, EDINET received 12 tender offer filings and target opinions and 1192 large shareholding reports.
Funds named as activists by a cited source filed 64 of those reports.
Stake reports by funds named as activists
| Filed | Company | Holder | Report | Stake | Before | Change (pt) | EDINET |
|---|---|---|---|---|---|---|---|
| 2026-10-09 | YODOKO,Ltd. 5451 | ストラテジックキャピタル activist | Correction | 6.63% | 7.84% | −1.21 | S100Z6SK |
| 2026-10-09 | YODOKO,Ltd. 5451 | ストラテジックキャピタル activist | Correction | 7.29% | 6.29% | +1.00 | S100Z6SJ |
| 2026-10-08 | M3, Inc. 2413 | Oasis Management Company Ltd. activist | Change | 9.48% | 8.46% | +1.02 | S100Z6KF |
| 2026-10-08 | Infomart Corporation 2492 | Oasis Management Company Ltd. activist | Change | 23.61% | 22.60% | +1.01 | S100Z69K |
| 2026-10-08 | OSAKA STEEL CO.,LTD. 5449 | ストラテジックキャピタル activist | Correction | 12.29% | 12.29% | 0.00 | S100Z6I7 |
| 2026-10-08 | OSAKA STEEL CO.,LTD. 5449 | ストラテジックキャピタル activist | Correction | 12.29% | 11.60% | +0.69 | S100Z6IG |
| 2026-10-08 | OSAKA STEEL CO.,LTD. 5449 | ストラテジックキャピタル activist | Correction | 11.60% | 10.59% | +1.01 | S100Z6GT |
| 2026-10-07 | en inc. 4849 | Oasis Management Company Ltd. activist | Change | 15.63% | 14.54% | +1.09 | S100Z6HW |
| 2026-10-07 | OSAKA STEEL CO.,LTD. 5449 | ストラテジックキャピタル activist | Correction | 10.59% | 9.49% | +1.10 | S100Z6AD |
| 2026-10-07 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 4.36% | 5.22% | −0.86 | S100Z68P |
| 2026-10-07 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 5.22% | 6.47% | −1.25 | S100Z674 |
| 2026-10-06 | GungHo Online Entertainment, Inc. 3765 | ストラテジックキャピタル activist | Change | 13.67% | 13.67% | 0.00 | S100Z5WD |
| 2026-10-06 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 6.47% | 8.14% | −1.67 | S100Z5ZN |
| 2026-10-06 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 8.14% | 9.22% | −1.08 | S100Z5UU |
| 2026-10-05 | Infomart Corporation 2492 | Oasis Management Company Ltd. activist | Change | 22.60% | 21.36% | +1.24 | S100Z5KT |
| 2026-10-05 | YODOKO,Ltd. 5451 | ストラテジックキャピタル activist | Change | 4.57% | 5.63% | −1.06 | S100Z5LJ |
| 2026-10-05 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 9.22% | 8.20% | +1.02 | S100Z5OL |
| 2026-10-05 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 9.38% | 9.38% | 0.00 | S100Z5NO |
| 2026-10-02 | サンケイリアルエステート投資法人 | シティインデックスイレブンス activist | Change | 29.90% | 29.90% | 0.00 | S100Z5IQ |
| 2026-10-02 | メディシノバ・インク 4875 | 3D Investment Partners Pte. Ltd. activist | Change | 9.88% | 11.22% | −1.34 | S100Z626 |
| 2026-10-02 | YELLOW HAT LTD. 9882 | ストラテジックキャピタル activist | Change | 11.73% | 12.74% | −1.01 | S100Z4E4 |
| 2026-10-02 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 9.38% | 9.22% | +0.16 | S100Z586 |
| 2026-10-02 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 9.22% | 8.17% | +1.05 | S100Z57Q |
| 2026-10-01 | SHIBAURA MACHINE CO., LTD. 6104 | Oasis Management Company Ltd. activist | Change | 10.14% | 9.02% | +1.12 | S100Z4IH |
| 2026-10-01 | SHIBAURA MACHINE CO., LTD. 6104 | Oasis Management Company Ltd. activist | Correction | 9.02% | 7.82% | +1.20 | S100Z4XR |
| 2026-10-01 | EXEDY Corporation 7278 | シティインデックスイレブンス activist | Change | 7.98% | 9.11% | −1.13 | S100Z539 |
| 2026-10-01 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 7.13% | 6.10% | +1.03 | S100Z4RT |
| 2026-10-01 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 8.17% | 7.13% | +1.04 | S100Z4Y4 |
| 2026-09-30 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 6.10% | 5.10% | +1.00 | S100Z4JN |
| 2026-09-30 | NORITAKE CO., LIMITED 5331 | ストラテジックキャピタル activist | Correction | 5.10% | — | — | S100Z4I2 |
| 2026-09-29 | Infomart Corporation 2492 | Oasis Management Company Ltd. activist | Change | 21.36% | 20.13% | +1.23 | S100Z3OI |
| 2026-09-29 | Keihanshin Building Co., Ltd. 8818 | ストラテジックキャピタル activist | Change | 8.02% | 9.17% | −1.15 | S100Z393 |
| 2026-09-29 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 18.24% | 17.59% | +0.65 | S100Z42I |
| 2026-09-29 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 17.59% | 17.08% | +0.51 | S100Z405 |
| 2026-09-28 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 17.08% | 16.08% | +1.00 | S100Z3OY |
| 2026-09-28 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 16.08% | 15.36% | +0.72 | S100Z3LP |
| 2026-09-25 | M3, Inc. 2413 | Oasis Management Company Ltd. activist | Change | 8.46% | 7.40% | +1.06 | S100Z38Y |
| 2026-09-25 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Change | 18.24% | 18.24% | 0.00 | S100Z2I0 |
| 2026-09-25 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 14.35% | 13.13% | +1.22 | S100Z3AR |
| 2026-09-25 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 15.36% | 14.35% | +1.01 | S100Z3CL |
| 2026-09-24 | en inc. 4849 | Oasis Management Company Ltd. activist | Change | 14.54% | 13.45% | +1.09 | S100Z37M |
| 2026-09-24 | SHIBAURA MACHINE CO., LTD. 6104 | Oasis Management Company Ltd. activist | Change | 9.02% | 7.82% | +1.20 | S100Z2MH |
| 2026-09-24 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 13.13% | 12.07% | +1.06 | S100Z2V7 |
| 2026-09-24 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 12.07% | 12.05% | +0.02 | S100Z2US |
| 2026-09-18 | Infomart Corporation 2492 | Oasis Management Company Ltd. activist | Change | 20.13% | 19.00% | +1.13 | S100Z286 |
| 2026-09-18 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 10.91% | 7.85% | +3.06 | S100Z2IH |
| 2026-09-18 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 12.05% | 10.91% | +1.14 | S100Z2JM |
| 2026-09-17 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 5.49% | — | — | S100Z2BC |
| 2026-09-17 | KH Neochem Co.,Ltd. 4189 | ストラテジックキャピタル activist | Correction | 7.85% | 5.49% | +2.36 | S100Z2CJ |
| 2026-09-16 | NIDEC CORPORATION 6594 | Oasis Management Company Ltd. activist | Change | 7.97% | 6.78% | +1.19 | S100Z2E1 |
| 2026-09-16 | KUSURI NO AOKI HOLDINGS CO., LTD. 3549 | Oasis Management Company Ltd. activist | Change | 16.14% | 15.10% | +1.04 | S100Z2D9 |
| 2026-09-16 | SHIBAURA MACHINE CO., LTD. 6104 | Oasis Management Company Ltd. activist | Change | 7.82% | 6.76% | +1.06 | S100Z2CM |
| 2026-09-16 | SMS CO.,LTD 2175 | Oasis Management Company Ltd. activist | Change | 26.97% | 25.93% | +1.04 | S100Z1UF |
| 2026-09-16 | GungHo Online Entertainment, Inc. 3765 | ストラテジックキャピタル activist | Correction | 9.54% | 9.16% | +0.38 | S100Z1ZF |
| 2026-09-16 | GungHo Online Entertainment, Inc. 3765 | ストラテジックキャピタル activist | Correction | 9.65% | 9.54% | +0.11 | S100Z1ZH |
| 2026-09-16 | GungHo Online Entertainment, Inc. 3765 | ストラテジックキャピタル activist | Correction | 9.16% | 8.51% | +0.65 | S100Z1ZC |
| 2026-09-15 | M3, Inc. 2413 | Oasis Management Company Ltd. activist | Change | 7.40% | 6.26% | +1.14 | S100Z1ZA |
| 2026-09-15 | Infomart Corporation 2492 | Oasis Management Company Ltd. activist | Change | 19.00% | 17.97% | +1.03 | S100Z1GX |
| 2026-09-15 | COMSYS Holdings Corporation 1721 | Oasis Management Company Ltd. activist | Correction | 7.36% | 6.32% | +1.04 | S100Z28H |
| 2026-09-15 | GungHo Online Entertainment, Inc. 3765 | ストラテジックキャピタル activist | Correction | 7.50% | 7.50% | 0.00 | S100Z1T1 |
| 2026-09-15 | GungHo Online Entertainment, Inc. 3765 | ストラテジックキャピタル activist | Correction | 8.51% | 7.50% | +1.01 | S100Z1UE |
| 2026-09-15 | GungHo Online Entertainment, Inc. 3765 | ストラテジックキャピタル activist | Correction | 7.50% | 6.32% | +1.18 | S100Z1P1 |
| 2026-09-14 | NIPPN CORPORATION 2001 | ストラテジックキャピタル activist | Correction | 7.09% | 6.09% | +1.00 | S100Z1H2 |
| 2026-09-14 | NIPPN CORPORATION 2001 | ストラテジックキャピタル activist | Correction | 6.09% | 5.09% | +1.00 | S100Z1FS |
Which funds count as activists, and who says so
- Strategic Capital: FGS Global, 16 February 2026
- 3D Investment Partners: FGS Global, 16 February 2026
- City Index Eleventh (Murakami Funds): FGS Global, 16 February 2026; Reuters (via nippon.com), 7 December 2021
- Elliott Investment Management (no filing in this window): FGS Global, 16 February 2026
- Oasis Management: FGS Global, 16 February 2026
- ValueAct (no filing in this window): FGS Global, 16 February 2026
- Palliser (no filing in this window): FGS Global, 16 February 2026
Only funds a cited source names as activists are marked, matched on the filer name in EDINET. The list repeats the sources' wording, not a judgement.