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. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). 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 | +4.1% | ¥6.4B ($41.5M) |
| 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 | +4.1% | ¥564M ($3.6M) |
| 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 | +4.1% | ¥77M ($498K) |
| 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 | +26.6% | ¥519M ($3.3M) |
| 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 | +26.6% | ¥84M ($544K) |
| 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 | +26.6% | ¥78M ($502K) |
| 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 | +23.6% | ¥512M ($3.3M) |
| 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 | +23.6% | ¥113M ($729K) |
| 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 | +23.6% | ¥372M ($2.4M) |
| 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 | +33.0% | ¥505M ($3.3M) |
| 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 | +33.0% | ¥26M ($169K) |
| 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 | +33.0% | ¥138M ($889K) |
| 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 | +45.7% | ¥174M ($1.1M) |
| 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 | +45.7% | ¥54M ($348K) |
| 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 | +45.7% | ¥389M ($2.5M) |
| 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 | +42.8% | ¥305M ($2.0M) |
| 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 | +42.8% | ¥250M ($1.6M) |
| 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 | +42.8% | ¥49M ($315K) |
| 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 | +43.6% | ¥237M ($1.5M) |
| 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 | +43.6% | ¥49M ($313K) |
| 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 | +43.6% | ¥340M ($2.2M) |
| 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 | +42.7% | ¥446M ($2.9M) |
| 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 | +42.7% | ¥98M ($631K) |
| 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 | +42.7% | ¥92M ($592K) |
| 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 | +32.2% | ¥488M ($3.2M) |
| 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 | +32.2% | ¥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 | +32.2% | ¥66M ($426K) |
| 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 | +28.9% | ¥420M ($2.7M) |
| 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 | +28.9% | ¥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 | +28.9% | ¥102M ($655K) |
| 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 | +32.6% | ¥99M ($637K) |
| 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 | +32.6% | ¥572M ($3.7M) |
| 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 | +32.6% | ¥13M ($85K) |
| 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 | +34.6% | ¥525M ($3.4M) |
| 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 | +34.6% | ¥6M ($42K) |
| 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 | +34.6% | ¥149M ($962K) |
| 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 | -23.4% | ¥127M ($821K) |
| 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 | +23.4% | ¥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 | +23.4% | ¥2.5B ($16.4M) |
| 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 | +19.6% | ¥649M ($4.2M) |
| 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 | +19.6% | ¥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 | +19.6% | ¥73M ($471K) |
| 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 | +24.9% | ¥216M ($1.4M) |
| 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 | +24.9% | ¥105M ($676K) |
| 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 | +24.9% | ¥489M ($3.2M) |
| 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 | +31.5% | ¥252M ($1.6M) |
| 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 | +31.5% | ¥66M ($428K) |
| 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 | +31.5% | ¥352M ($2.3M) |
| 2024-01-11 | BUY | Market Buy | ダルトン・インベストメンツ・インク (Dalton Investments Dalton Investments, Inc. | activist | 157.7K | ¥1,824 | +56.5% | ¥288M ($1.9M) |
| 2024-01-11 | 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 | 422.0K | ¥1,824 | +56.5% | ¥89M ($575K) |
Showing the 50 most recent of 67 filings.
Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for ASKA Pharmaceutical Holdings Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.