StockDriftsStockDriftsASKA Pharmaceutical Holdings Co.,Ltd. (4886) has 57 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥9.9B ($63.6M) in reported transaction value. The earliest filing StockDrifts holds for ASKA Pharmaceutical Holdings Co.,Ltd. is dated 2021-04-08; the most recent is 2026-04-08. Across these filings the average return since disclosure is +45.39%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-04-08 | BUY | unknown | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 2.4M | ¥2,684 | - | - |
| 2026-04-08 | BUY | unknown | エヌエーブイエフ・セレクト・マスター・ファンド・エルピーFund LP) NAVF Select (Master | activist | 848.4K | ¥2,684 | -19.6% | ¥77M ($498K) |
| 2026-04-08 | BUY | unknown | ダルトン・インベストメンツ・インク (Dalton Investments | activist | 2.9M | ¥2,684 | -19.6% | ¥564M ($3.6M) |
| 2025-05-13 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 2.4M | ¥2,254 | -4.3% | ¥78M ($502K) |
| 2025-05-13 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 819.9K | ¥2,254 | -4.3% | ¥84M ($544K) |
| 2025-05-13 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 2.7M | ¥2,254 | -4.3% | ¥519M ($3.3M) |
| 2025-03-28 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 2.4M | ¥2,310 | -6.6% | ¥372M ($2.4M) |
| 2025-03-28 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 781.7K | ¥2,310 | -6.6% | ¥113M ($729K) |
| 2025-03-28 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 2.4M | ¥2,310 | -6.6% | ¥512M ($3.3M) |
| 2025-03-05 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 2.3M | ¥2,146 | +0.5% | ¥138M ($889K) |
| 2025-03-05 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 778.4K | ¥2,146 | +0.5% | ¥26M ($169K) |
| 2025-03-05 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 2.4M | ¥2,146 | +0.5% | ¥505M ($3.3M) |
| 2025-01-30 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 2.3M | ¥1,959 | +10.1% | ¥389M ($2.5M) |
| 2025-01-30 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 767.8K | ¥1,959 | +10.1% | ¥54M ($348K) |
| 2025-01-30 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 2.1M | ¥1,959 | +10.1% | ¥174M ($1.1M) |
| 2025-01-10 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 2.1M | ¥1,998 | +8.0% | ¥305M ($2.0M) |
| 2025-01-10 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 739.4K | ¥1,998 | +8.0% | ¥49M ($315K) |
| 2025-01-10 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 2.0M | ¥1,998 | +8.0% | ¥250M ($1.6M) |
| 2024-12-05 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 1.9M | ¥1,987 | +8.6% | ¥340M ($2.2M) |
| 2024-12-05 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 716.7K | ¥1,987 | +8.6% | ¥49M ($313K) |
| 2024-12-05 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 1.9M | ¥1,987 | +8.6% | ¥237M ($1.5M) |
| 2024-12-02 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 1.8M | ¥2,000 | +7.8% | ¥92M ($592K) |
| 2024-12-02 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 692.1K | ¥2,000 | +7.8% | ¥98M ($631K) |
| 2024-12-02 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 1.8M | ¥2,000 | +7.8% | ¥446M ($2.9M) |
| 2024-11-07 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 640.4K | ¥2,159 | -0.1% | ¥112M ($724K) |
| 2024-11-07 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 1.7M | ¥2,159 | -0.1% | ¥66M ($426K) |
| 2024-11-07 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 1.6M | ¥2,159 | -0.1% | ¥488M ($3.2M) |
| 2024-10-16 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 588.8K | ¥2,215 | -2.6% | ¥169M ($1.1M) |
| 2024-10-16 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 1.7M | ¥2,215 | -2.6% | ¥102M ($655K) |
| 2024-10-16 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 1.3M | ¥2,215 | -2.6% | ¥420M ($2.7M) |
| 2024-09-18 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 1.6M | ¥2,153 | +0.2% | ¥99M ($637K) |
| 2024-09-18 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 512.9K | ¥2,153 | +0.2% | ¥13M ($85K) |
| 2024-09-18 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 1.2M | ¥2,153 | +0.2% | ¥572M ($3.7M) |
| 2024-08-13 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 1.6M | ¥2,121 | +1.7% | ¥149M ($962K) |
| 2024-08-13 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 508.4K | ¥2,121 | +1.7% | ¥6M ($42K) |
| 2024-08-13 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 890.5K | ¥2,121 | +1.7% | ¥525M ($3.4M) |
| 2024-07-29 | BUY | negotiated | 三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 594.5K | ¥2,313 | -6.7% | ¥71M ($456K) |
| 2024-07-29 | BUY | negotiated | 株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc. | strategic | 1.1M | ¥2,313 | - | - |
| 2024-07-29 | SELL | negotiated | 三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 115.5K | ¥2,313 | +6.7% | ¥127M ($821K) |
| 2024-07-19 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 505.3K | ¥2,387 | -9.6% | ¥15M ($94K) |
| 2024-07-19 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 1.5M | ¥2,387 | -9.6% | ¥73M ($471K) |
| 2024-07-19 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 640.7K | ¥2,387 | -9.6% | ¥649M ($4.2M) |
| 2024-04-15 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 1.5M | ¥2,285 | -5.6% | ¥489M ($3.2M) |
| 2024-04-15 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 497.0K | ¥2,285 | -5.6% | ¥105M ($676K) |
| 2024-04-15 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 368.8K | ¥2,285 | -5.6% | ¥216M ($1.4M) |
| 2024-04-04 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 1.3M | ¥2,171 | -0.6% | ¥352M ($2.3M) |
| 2024-04-04 | BUY | Market Buy | エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC | activist | 452.2K | ¥2,171 | -0.6% | ¥66M ($428K) |
| 2024-04-04 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 273.7K | ¥2,171 | -0.6% | ¥252M ($1.6M) |
| 2024-01-11 | BUY | Market Buy | ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC | activist | 1.1M | ¥1,824 | +18.3% | ¥463M ($3.0M) |
| 2024-01-11 | SELL | Market Buy | ダルトン・インベストメンツ・エルエルシー Dalton Investments LLC | activist | 0 | ¥1,824 | -18.3% | ¥596M ($3.8M) |
Showing the 50 most recent of 67 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.