StockDriftsStockDriftsAmvis Holdings, Inc. (7071) has 10 disclosed large-shareholding filings and 23 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥17.4B ($112.3M) in reported transaction value. The earliest filing StockDrifts holds for Amvis Holdings, Inc. is dated 2021-03-25; the most recent is 2026-02-25. Across these filings the average return since disclosure is -42.96%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-10 | BUY | unknown | 柴原 慶一 | other | 9.0M | ¥390 | - | - |
| 2026-08-10 | SELL | unknown | 株式会社IDEA Capital | other | 51.7M | ¥390 | -0.8% | ¥103M ($667K) |
| 2026-08-07 | BUY | unknown | 柴原 慶一 | other | 9.0M | ¥394 | - | - |
| 2026-08-07 | BUY | unknown | 株式会社IDEA Capital | other | 51.7M | ¥394 | - | - |
| 2026-02-25 | BUY | Market Buy | パンテウム・パートナーズ・リミテッド Pantheum Partners Limited | passive | 0 | ¥499 | -21.2% | - |
| 2026-02-25 | BUY | Market Buy | パンテウム・マスター・ファンド・リミテッド Pantheum Master Fund Limited | passive | 4.9M | ¥499 | -21.2% | ¥2.5B ($15.8M) |
| 2026-02-25 | BUY | Market Buy | パンテウム・パートナーズ・リミテッド Pantheum Partners Limited | passive | 0 | ¥499 | -21.2% | - |
| 2026-02-25 | BUY | Market Buy | パンテウム・マスター・ファンド・リミテッド Pantheum Master Fund Limited | passive | 4.9M | ¥499 | -21.2% | ¥2.5B ($15.8M) |
| 2026-02-19 | BUY | Market Buy | 柴原 慶一 | other | 9.0M | ¥507 | -22.5% | ¥428M ($2.8M) |
| 2026-02-19 | BUY | unknown | 柴原 慶一 | other | 8.1M | ¥507 | - | - |
| 2026-02-19 | BUY | unknown | 株式会社IDEA Capital | other | 51.7M | ¥507 | - | - |
| 2026-02-19 | BUY | unknown | 株式会社IDEA Capital | other | 51.7M | ¥507 | - | - |
| 2026-01-23 | BUY | Market Buy | 柴原 慶一 | other | 8.5M | ¥480 | -18.1% | ¥184M ($1.2M) |
| 2026-01-23 | BUY | unknown | 柴原 慶一 | other | 8.1M | ¥480 | - | - |
| 2026-01-23 | BUY | unknown | 株式会社IDEA Capital | other | 51.7M | ¥480 | - | - |
| 2026-01-23 | BUY | unknown | 株式会社IDEA Capital | other | 51.7M | ¥480 | - | - |
| 2025-03-31 | BUY | Market Buy | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥460 | - | - |
| 2025-03-31 | BUY | Market Buy | 柴原 慶一 Shibahara Keiichi | other | 8.1M | ¥460 | -14.6% | ¥456M ($2.9M) |
| 2025-03-31 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 8.1M | ¥460 | -14.6% | ¥456M ($2.9M) |
| 2025-03-31 | BUY | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥460 | - | - |
| 2025-02-13 | SELL | Market Buy | ポーラー・キャピタル・エル・エル・ピー(Polar Capital LLP) Polar Capital LLP | passive | 4.0M | ¥742 | +47.0% | ¥750M ($4.8M) |
| 2024-11-11 | SELL | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥1,114 | +64.7% | ¥22M ($141K) |
| 2024-11-11 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.1M | ¥1,114 | - | - |
| 2024-11-11 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.1M | ¥1,114 | - | - |
| 2024-11-11 | SELL | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥1,114 | +64.7% | ¥33M ($212K) |
| 2024-06-05 | BUY | acquisition | ポーラー・キャピタル・エル・エル・ピー(Polar Capital LLP) Polar Capital LLP | passive | 5.0M | ¥2,220 | -82.3% | ¥11.0B ($71.1M) |
| 2024-05-29 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.1M | ¥1,994 | - | - |
| 2024-05-29 | BUY | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥1,994 | - | - |
| 2024-05-09 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.1M | ¥2,183 | - | - |
| 2024-05-09 | BUY | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥2,183 | - | - |
| 2024-04-05 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.1M | ¥2,439 | - | - |
| 2024-04-05 | BUY | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥2,439 | - | - |
| 2024-03-07 | SELL | Market Buy | キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company | passive | 4.6M | ¥2,313 | +83.0% | ¥4.9B ($31.5M) |
| 2024-02-22 | SELL | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.1M | ¥2,471 | +84.1% | ¥1.8B ($11.7M) |
| 2024-02-22 | SELL | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥2,471 | +84.1% | ¥145M ($938K) |
| 2023-08-31 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.9M | ¥2,911 | - | - |
| 2023-08-31 | SELL | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥2,911 | +86.5% | ¥29M ($184K) |
| 2023-06-19 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.9M | ¥3,235 | - | - |
| 2023-06-19 | BUY | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥3,235 | - | - |
| 2023-05-22 | BUY | Market Buy | キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company | passive | 6.7M | ¥3,015 | - | - |
| 2023-05-11 | SELL | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥2,903 | +86.5% | ¥28M ($183K) |
| 2023-05-11 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.9M | ¥2,903 | - | - |
| 2023-04-04 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.9M | ¥3,150 | - | - |
| 2023-04-04 | BUY | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥3,150 | - | - |
| 2023-03-27 | BUY | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.9M | ¥3,045 | - | - |
| 2023-03-27 | SELL | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 51.7M | ¥3,045 | +87.1% | ¥3.0B ($19.6M) |
| 2023-03-23 | SELL | Market Buy | キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company | passive | 6.7M | ¥2,988 | +86.8% | ¥2.9B ($18.9M) |
| 2023-03-15 | SELL | unknown | 株式会社IDEA Capital IDEA Capital Co., Ltd. | other | 52.7M | ¥3,045 | +87.1% | ¥3.0B ($19.6M) |
| 2023-03-15 | SELL | unknown | 柴原 慶一 Shibahara Keiichi | other | 7.9M | ¥3,045 | +87.1% | ¥27.4B ($176.8M) |
| 2023-03-02 | SELL | unknown | 柴原 慶一 Shibahara Keiichi | other | 16.9M | ¥3,160 | +87.6% | ¥31M ($200K) |
Showing the 50 most recent of 68 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.