StockDriftsStockDriftskaihan co.,Ltd. (3133) has 33 disclosed large-shareholding filings and 50 disclosed disposals on record, filed by 15 distinct investors. Together those filings cover ¥28.9B ($186.3M) in reported transaction value. The earliest filing StockDrifts holds for kaihan co.,Ltd. is dated 2021-04-01; the most recent is 2026-05-13. Across these filings the average return since disclosure is -49.66%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-31 | BUY | unknown | 中川 龍太郎 NAKAGAWA RYUTARO | other | 3.5M | ¥68 | -36.8% | ¥240M ($1.5M) |
| 2026-08-31 | BUY | unknown | 松村 康平 MATSUMURA KOHEI | other | 3.7M | ¥68 | -36.8% | ¥249M ($1.6M) |
| 2026-08-31 | BUY | Market Buy | 中川 龍太郎 NAKAGAWA RYUTARO | passive | 3.5M | ¥68 | - | ¥240M ($1.5M) |
| 2026-08-31 | BUY | Market Buy | 松村 康平 MATSUMURA KOHEI | passive | 3.7M | ¥68 | - | ¥249M ($1.6M) |
| 2026-05-26 | SELL | private | エボ ファンド Evo Fund | activist | 52.2M | ¥180 | +76.1% | ¥123M ($796K) |
| 2026-05-26 | BUY | Market Buy | エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC | passive | 0 | ¥180 | - | - |
| 2026-05-22 | SELL | private | エボ ファンド Evo Fund | activist | 53.5M | ¥217 | +80.2% | ¥132M ($854K) |
| 2026-05-22 | BUY | Market Buy | エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC | passive | 0 | ¥217 | - | - |
| 2026-05-13 | BUY | Market Buy | エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC | passive | 0 | ¥216 | - | - |
| 2026-05-13 | SELL | private | エボ ファンド Evo Fund | activist | 54.6M | ¥216 | +80.1% | ¥134M ($867K) |
| 2026-04-01 | SELL | private | エボ ファンド Evo Fund | activist | 55.8M | ¥360 | +88.1% | ¥216M ($1.4M) |
| 2026-04-01 | BUY | private | エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC | passive | 0 | ¥360 | - | - |
| 2026-03-16 | BUY | private | エボ ファンド Evo Fund | activist | 57.0M | ¥368 | -88.3% | ¥21.0B ($135.4M) |
| 2026-03-16 | BUY | private | エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC | passive | 0 | ¥368 | -88.3% | - |
| 2025-05-22 | SELL | Market Buy | 山田 亨 yamada toru | passive | 8.3M | ¥803 | +94.7% | ¥206M ($1.3M) |
| 2025-05-14 | SELL | unknown | 山田 亨 yamada toru | activist | 8.3M | ¥829 | +94.8% | ¥213M ($1.4M) |
| 2025-05-13 | BUY | unknown | MEL CAPITAL LIMITED | other | 2.8M | ¥869 | - | ¥2.4B ($15.6M) |
| 2025-05-13 | BUY | unknown | 株式会社コヒーレントシステムズ Coherent Systems co., ltd | other | 0 | ¥869 | -95.0% | - |
| 2024-08-09 | BUY | Market Buy | 山田 亨 yamada toru | passive | 8.3M | ¥690 | -93.8% | ¥413M ($2.7M) |
| 2024-06-05 | BUY | Market Buy | 山田 亨 yamada toru | activist | 7.7M | ¥960 | -95.5% | ¥521M ($3.4M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 4.7M | ¥927 | -95.4% | ¥85M ($550K) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 2.3M | ¥927 | -95.4% | ¥547M ($3.5M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 4.6M | ¥927 | - | ¥31M ($203K) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 2.8M | ¥927 | -95.4% | ¥610M ($3.9M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 3.5M | ¥927 | -95.4% | ¥493M ($3.2M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 4.0M | ¥927 | -95.4% | ¥493M ($3.2M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 4.6M | ¥927 | -95.4% | ¥31M ($203K) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 4.9M | ¥927 | -95.4% | ¥1.0B ($6.7M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 5.0M | ¥927 | -95.4% | ¥103M ($663K) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 4.0M | ¥927 | - | ¥493M ($3.2M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 2.3M | ¥927 | - | ¥547M ($3.5M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 2.8M | ¥927 | - | ¥610M ($3.9M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 3.5M | ¥927 | - | ¥493M ($3.2M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 4.0M | ¥927 | - | ¥493M ($3.2M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 4.7M | ¥927 | - | ¥85M ($550K) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 4.9M | ¥927 | - | ¥1.0B ($6.7M) |
| 2024-05-02 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 5.0M | ¥927 | - | ¥103M ($663K) |
| 2024-05-01 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 5.0M | ¥914 | - | ¥98M ($630K) |
| 2024-05-01 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 5.0M | ¥914 | - | ¥94M ($607K) |
| 2024-05-01 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 5.0M | ¥914 | -95.3% | ¥98M ($630K) |
| 2024-05-01 | BUY | Market Buy | 株式会社YourTurn YOUR TURN | passive | 5.0M | ¥914 | -95.3% | ¥94M ($607K) |
| 2024-04-30 | BUY | Market Buy | 山田 亨 yamada toru | activist | 7.1M | ¥901 | -95.2% | ¥540M ($3.5M) |
| 2024-04-30 | BUY | unknown | 山田 亨 yamada toru | activist | 7.1M | ¥901 | - | - |
| 2024-04-17 | BUY | Market Buy | 山田 亨 yamada toru | passive | 7.1M | ¥915 | -95.3% | ¥549M ($3.5M) |
| 2024-04-09 | BUY | Market Buy | 山田 亨 yamada toru | passive | 6.5M | ¥898 | - | ¥973M ($6.3M) |
| 2024-04-09 | BUY | Market Buy | 山田 亨 yamada toru | passive | 6.5M | ¥898 | -95.2% | ¥968M ($6.2M) |
| 2024-04-08 | SELL | unknown | 合同会社アローエナジー arrow energy LLC. | other | 700.0K | ¥892 | +95.2% | ¥1.7B ($11.2M) |
| 2023-12-19 | BUY | Market Buy | 日本エンジェルズ・インベストメント株式会社 Nippon Angels Investment Co.Ltd. | passive | 0 | ¥988 | - | ¥2.9B ($18.6M) |
| 2023-12-19 | BUY | Market Buy | NAICサステナブル合同会社 NAIC Sustainable LLC | passive | 2.9M | ¥988 | -95.7% | ¥2.9B ($18.6M) |
| 2023-12-19 | SELL | Market Buy | 日本エンジェルズ・インベストメント株式会社 Nippon Angels Investment Co.Ltd. | passive | 0 | ¥988 | +95.7% | ¥2.9B ($18.6M) |
Showing the 50 most recent of 190 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.