Zuiko Corporation (6279) has 16 disclosed large-shareholding filings and 16 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥6.2B ($40.3M) in reported transaction value. The earliest filing StockDrifts holds for Zuiko Corporation is dated 2021-12-06; the most recent is 2026-03-02. Across these filings the average return since disclosure is -19.08%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-03-02 | SELL | unknown | 和田 明男 | strategic | 1.0M | ¥937 | +0.2% | ¥553M ($3.6M) |
| 2026-03-02 | BUY | unknown | 和田 タヅエ | strategic | 65.3K | ¥937 | - | - |
| 2026-03-02 | SELL | unknown | 和田 明男 | strategic | 1.0M | ¥937 | +0.2% | ¥491M ($3.2M) |
| 2026-03-02 | BUY | unknown | 和田 タヅエ | strategic | 65.3K | ¥937 | - | - |
| 2026-01-30 | BUY | unknown | 和田 タヅエ | strategic | 65.3K | ¥1,005 | - | - |
| 2026-01-30 | SELL | unknown | 和田 明男 | strategic | 1.6M | ¥1,005 | +7.0% | ¥295M ($1.9M) |
| 2026-01-13 | SELL | unknown | 和田 明男 | strategic | 1.6M | ¥996 | +6.1% | ¥293M ($1.9M) |
| 2026-01-13 | BUY | unknown | 和田 タヅエ | strategic | 65.3K | ¥996 | - | - |
| 2025-10-17 | BUY | Market Buy | シンフォニー・フィナンシャル・パートナーズ(シンガポール)ピーティーイー・リミテッド(Symphony Financial Partners (Singapore) Pte. Ltd.) Symphony Financial Partners (Singapore) Pte. Ltd. | activist | 10.7M | ¥978 | -4.4% | ¥242M ($1.6M) |
| 2025-09-30 | SELL | unknown | 株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc. | unknown | 0 | ¥993 | +5.8% | ¥192M ($1.2M) |
| 2025-09-30 | SELL | unknown | 三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 1.0M | ¥993 | +5.8% | ¥100M ($646K) |
| 2025-09-30 | SELL | unknown | 三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 76.9K | ¥993 | +5.8% | ¥11M ($74K) |
| 2025-09-30 | BUY | unknown | 三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. | other | 47.3K | ¥993 | -5.8% | ¥14M ($92K) |
| 2025-08-26 | SELL | unknown | 和田明男 Akio Wada | strategic | 1.9M | ¥970 | +3.6% | ¥148M ($955K) |
| 2025-08-26 | BUY | unknown | 和田タヅエ Tazue Wada | strategic | 65.3K | ¥970 | - | - |
| 2025-08-07 | BUY | unknown | 和田明男 Akio Wada | strategic | 1.9M | ¥1,001 | - | - |
| 2025-08-07 | BUY | unknown | 和田タヅエ Tazue Wada | unknown | 65.3K | ¥1,001 | - | - |
| 2025-05-08 | BUY | negotiated | 株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc. | strategic | 193.1K | ¥1,000 | -6.5% | ¥193M ($1.2M) |
| 2025-05-08 | BUY | negotiated | 三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 1.1M | ¥1,000 | -6.5% | ¥1.1B ($7.3M) |
| 2025-05-08 | BUY | negotiated | 三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 88.1K | ¥1,000 | -6.5% | ¥88M ($568K) |
| 2025-05-08 | BUY | negotiated | 三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. | other | 30.6K | ¥1,000 | -6.5% | ¥31M ($197K) |
| 2025-04-07 | SELL | negotiated | 三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 1.1M | ¥957 | +2.3% | ¥135M ($871K) |
| 2025-04-07 | BUY | negotiated | 三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 58.9K | ¥957 | - | - |
| 2025-04-07 | BUY | negotiated | 株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc. | strategic | 193.1K | ¥957 | - | - |
| 2025-04-07 | SELL | negotiated | 三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. | other | 35.0K | ¥957 | +2.3% | ¥146M ($942K) |
| 2025-02-10 | BUY | unknown | 和田明男 Akio Wada | strategic | 2.0M | ¥1,308 | - | - |
| 2025-02-10 | BUY | unknown | 和田タヅエ Tazue Wada | other | 65.3K | ¥1,308 | - | - |
| 2025-02-03 | BUY | negotiated | 株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc. | strategic | 193.1K | ¥1,303 | -28.2% | ¥252M ($1.6M) |
| 2025-02-03 | BUY | negotiated | 三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 1.2M | ¥1,303 | -28.2% | ¥1.6B ($10.4M) |
| 2025-02-03 | BUY | negotiated | 三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 56.5K | ¥1,303 | -28.2% | ¥74M ($475K) |
| 2025-02-03 | BUY | negotiated | 三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. | other | 187.6K | ¥1,303 | -28.2% | ¥244M ($1.6M) |
| 2025-01-28 | BUY | unknown | 和田明男 Akio Wada | strategic | 2.0M | ¥1,361 | - | - |
| 2025-01-28 | BUY | unknown | 和田タヅエ Tazue Wada | other | 65.3K | ¥1,361 | - | - |
| 2024-08-14 | SELL | unknown | モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd. | other | 11.2K | ¥1,120 | +16.5% | ¥258K ($2K) |
| 2024-08-14 | SELL | unknown | モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc | other | 17.3K | ¥1,120 | +16.5% | ¥290K ($2K) |
| 2024-03-28 | BUY | unknown | モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd. | other | 4.0M | ¥1,391 | -32.8% | ¥5.6B ($35.9M) |
| 2024-03-28 | BUY | unknown | モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc | other | 41.9K | ¥1,391 | -32.8% | ¥58M ($376K) |
| 2024-03-01 | BUY | unknown | 株式会社みちかけ Michikake Co., Ltd. | strategic | 3.0M | ¥1,594 | - | ¥4.8B ($30.9M) |
| 2024-03-01 | BUY | unknown | 和田 隆男 Takao Wada | strategic | 234.2K | ¥1,594 | - | - |
| 2024-03-01 | BUY | unknown | 和田 繁子 Shigeko Wada | strategic | 65.3K | ¥1,594 | - | - |
| 2024-03-01 | SELL | unknown | 株式会社和田ホールディングス Wada Holdings | strategic | 600.0K | ¥1,594 | +41.3% | ¥4.8B ($30.9M) |
| 2024-03-01 | BUY | unknown | 株式会社和田ホールディングス Wada Holdings | strategic | 3.6M | ¥1,594 | - | - |
| 2024-03-01 | BUY | unknown | 有限会社和田ホールディングス Wada Holdings | strategic | 900.0K | ¥1,594 | - | - |
| 2024-03-01 | SELL | unknown | 株式会社和田ホールディングス Wada Holdings | strategic | 600.0K | ¥1,594 | +41.3% | ¥4.8B ($30.9M) |
| 2024-03-01 | BUY | unknown | 株式会社和田ホールディングス Wada Holdings | strategic | 3.6M | ¥1,594 | - | - |
| 2024-03-01 | BUY | unknown | 有限会社和田ホールディングス Wada Holdings | strategic | 900.0K | ¥1,594 | - | - |
| 2024-03-01 | BUY | unknown | 和田 隆男 Takao Wada | strategic | 46.4K | ¥1,594 | - | - |
| 2024-03-01 | BUY | unknown | 和田 隆男 Takao Wada | strategic | 234.2K | ¥1,594 | -41.3% | ¥78M ($503K) |
| 2024-03-01 | BUY | unknown | 和田 繁子 Shigeko Wada | strategic | 65.3K | ¥1,594 | - | - |
| 2024-03-01 | BUY | unknown | 和田 隆男 Takao Wada | strategic | 46.4K | ¥1,594 | - | - |
Showing the 50 most recent of 61 filings.
Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.