StockDriftsStockDriftsAidemy Inc. (5577) has 9 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥14.3B ($92.4M) in reported transaction value. The earliest filing StockDrifts holds for Aidemy Inc. is dated 2023-06-29; the most recent is 2025-10-27. Across these filings the average return since disclosure is -17.89%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2025-10-27 | SELL | subscription | アクセンチュア株式会社 Accenture Japan Ltd | activist | 4.1M | ¥1,441 | +0.0% | ¥5.4B ($35.1M) |
| 2025-10-07 | SELL | unknown | 野村證券株式会社 Nomura Securities Co.,Ltd. | unknown | 0 | ¥1,439 | -0.1% | ¥116M ($748K) |
| 2025-10-07 | SELL | unknown | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 29.5K | ¥1,439 | -0.1% | ¥233M ($1.5M) |
| 2025-10-06 | SELL | unknown | 石川聡彦 Ishikawa Akihiko | unknown | 0 | ¥1,438 | -0.2% | ¥2.6B ($16.9M) |
| 2025-10-02 | BUY | unknown | 楽天証券株式会社 Rakuten Securities Inc | other | 3.3K | ¥1,438 | +0.2% | ¥13M ($82K) |
| 2025-09-30 | BUY | subscription | アクセンチュア株式会社 Accenture Japan Ltd | activist | 3.8M | ¥1,436 | +0.3% | ¥5.5B ($35.6M) |
| 2025-09-30 | BUY | subscription | アクセンチュア株式会社 Accenture Japan Ltd | activist | 3.8M | ¥1,436 | - | ¥5.5B ($35.6M) |
| 2025-09-18 | BUY | unknown | 野村證券株式会社 Nomura Securities Co.,Ltd. | other | 80.0K | ¥1,447 | -0.4% | ¥116M ($747K) |
| 2025-09-18 | BUY | Market Buy | 楽天証券株式会社 Rakuten Securities Inc | other | 318.4K | ¥1,447 | -0.4% | ¥58M ($373K) |
| 2025-09-18 | BUY | unknown | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 189.8K | ¥1,447 | -0.4% | ¥275M ($1.8M) |
| 2025-09-03 | BUY | unknown | 楽天証券株式会社 Rakuten Securities Inc | other | 278.6K | ¥1,444 | -0.2% | ¥402M ($2.6M) |
| 2025-08-18 | BUY | unknown | 石川聡彦 Ishikawa Akihiko | activist | 1.8M | ¥1,444 | - | - |
| 2025-08-15 | SELL | unknown | 石川 聡彦 Ishikawa Akihiko | activist | 1.8M | ¥1,381 | -4.3% | ¥18M ($118K) |
| 2024-01-26 | BUY | unknown | 石川聡彦 Ishikawa Akihiko | activist | 1.8M | ¥2,166 | - | - |
| 2024-01-26 | BUY | subscription | 石川聡彦 Ishikawa Akihiko | activist | 1.8M | ¥2,166 | - | - |
| 2024-01-26 | SELL | subscription | 石川聡彦 Akihiko Ishikawa | activist | 1.8M | ¥2,166 | +33.5% | ¥146M ($943K) |
| 2023-07-05 | SELL | Market Buy | 株式会社東京大学エッジキャピタルパートナーズ The University of Tokyo Edge Capital Partners Co., Ltd. | passive | 151.0K | ¥3,520 | +59.1% | ¥520M ($3.4M) |
| 2023-07-04 | SELL | Market Buy | 株式会社東京大学エッジキャピタルパートナーズ The University of Tokyo Edge Capital Partners Co., Ltd. | passive | 298.6K | ¥3,640 | +60.4% | ¥764M ($4.9M) |
| 2023-07-03 | SELL | Market Buy | 株式会社東京大学エッジキャピタルパートナーズ The University of Tokyo Edge Capital Partners Co., Ltd. | passive | 508.6K | ¥3,400 | +57.6% | ¥391M ($2.5M) |
| 2023-06-29 | BUY | Market Buy | 株式会社東京大学エッジキャピタルパートナーズ The University of Tokyo Edge Capital Partners Co., Ltd. | passive | 623.9K | ¥3,090 | - | ¥1.9B ($12.4M) |
| 2023-06-29 | BUY | subscription | 白井元 Hajime Shirai | activist | 320.0K | ¥3,090 | -53.4% | ¥989M ($6.4M) |
| 2023-06-29 | BUY | subscription | 石川聡彦 Akihiko Ishikawa | activist | 1.9M | ¥3,090 | -53.4% | ¥5.7B ($37.1M) |
| 2023-06-29 | BUY | acquisition | 株式会社東京大学エッジキャピタルパートナーズ The University of Tokyo Edge Capital Partners Co., Ltd. | passive | 623.9K | ¥3,090 | -53.4% | ¥1.9B ($12.4M) |
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.