StockDriftsStockDriftsKH Neochem Co., Ltd. (4189) has 48 disclosed large-shareholding filings and 41 disclosed disposals on record, filed by 23 distinct investors. Together those filings cover ¥45.8B ($295.7M) in reported transaction value. The earliest filing StockDrifts holds for KH Neochem Co., Ltd. is dated 2021-04-22; the most recent is 2026-04-07. 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 +7.01%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-03 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 6.8M | ¥3,210 | +6.8% | ¥21.8B ($140.3M) |
| 2026-06-24 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 6.8M | ¥2,918 | +2.5% | ¥705M ($4.5M) |
| 2026-06-16 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 6.5M | ¥2,708 | +7.3% | ¥513M ($3.3M) |
| 2026-06-08 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 6.3M | ¥2,617 | +13.9% | ¥972M ($6.3M) |
| 2026-05-19 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 6.0M | ¥2,653 | +0.5% | ¥710M ($4.6M) |
| 2026-04-07 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 5.7M | ¥2,829 | -2.5% | ¥1.1B ($6.8M) |
| 2026-03-18 | SELL | unknown | ウエリントン・マネージメント・ホンコン・リミテッド Wellington Management Hong Kong Ltd | other | 0 | ¥2,914 | +5.9% | - |
| 2026-03-18 | SELL | unknown | ウエリントン・マネージメント・ジャパン・ピーティーイー・リミテッド Wellington Management Japan Pte Ltd | other | 793.5K | ¥2,914 | +5.9% | ¥2.2B ($14.0M) |
| 2026-03-18 | SELL | unknown | ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP | other | 1.5M | ¥2,914 | +5.9% | ¥4.0B ($26.0M) |
| 2026-03-17 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 5.3M | ¥2,819 | -2.8% | ¥1.3B ($8.2M) |
| 2026-03-16 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 4.9M | ¥2,813 | -2.6% | ¥1.1B ($7.1M) |
| 2026-03-05 | SELL | negotiated | 三井住友トラスト・アセットマネジメント株式会社 | other | 693.1K | ¥3,000 | +8.6% | ¥1.9B ($12.3M) |
| 2026-03-05 | BUY | negotiated | 三井住友信託銀行株式会社 | strategic | 183.3K | ¥3,000 | +8.6% | ¥502M ($3.2M) |
| 2026-03-05 | SELL | negotiated | アモーヴァ・アセットマネジメント株式会社 | other | 715.4K | ¥3,000 | +8.6% | ¥2.0B ($12.7M) |
| 2026-02-27 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 4.5M | ¥3,115 | -12.0% | ¥23M ($149K) |
| 2026-02-25 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 4.5M | ¥3,025 | -9.4% | ¥1.3B ($8.3M) |
| 2026-02-19 | BUY | negotiated | 三井住友信託銀行株式会社 | strategic | 183.3K | ¥3,050 | +10.1% | ¥502M ($3.2M) |
| 2026-02-19 | SELL | negotiated | アモーヴァ・アセットマネジメント株式会社 | other | 1.1M | ¥3,050 | +10.1% | ¥3.0B ($19.2M) |
| 2026-02-19 | BUY | negotiated | 三井住友トラスト・アセットマネジメント株式会社 | other | 727.8K | ¥3,050 | +10.1% | ¥2.0B ($12.9M) |
| 2026-02-17 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 4.1M | ¥2,945 | -6.9% | ¥3.3B ($21.6M) |
| 2026-02-09 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 2.0M | ¥2,778 | -1.3% | ¥5.7B ($36.6M) |
| 2026-02-09 | BUY | Market Buy | 株式会社ストラテジックキャピタル Strategic Capital, Inc. | activist | 2.9M | ¥2,778 | -1.3% | ¥2.4B ($15.7M) |
| 2026-02-06 | BUY | Market Buy | トライヴィスタ・キャピタル株式会社 TriVista Capital Inc. | passive | 980.0K | ¥2,745 | -0.1% | ¥2.7B ($17.4M) |
| 2026-02-06 | BUY | Market Buy | トライヴィスタ・キャピタル株式会社 TriVista Capital Inc. | passive | 980.0K | ¥2,745 | -0.1% | ¥3.5B ($22.6M) |
| 2026-02-05 | SELL | negotiated | 三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited | strategic | 2.7M | ¥2,647 | -3.5% | ¥1.7B ($10.8M) |
| 2026-01-22 | SELL | negotiated | アモーヴァ・アセットマネジメント株式会社 | other | 2.4M | ¥2,588 | -5.9% | ¥6.7B ($43.1M) |
| 2026-01-22 | BUY | negotiated | 三井住友トラスト・アセットマネジメント株式会社 | other | 743.0K | ¥2,588 | -5.9% | ¥2.0B ($13.1M) |
| 2026-01-22 | BUY | negotiated | 三井住友信託銀行株式会社 | strategic | 183.3K | ¥2,588 | -5.9% | ¥502M ($3.2M) |
| 2026-01-13 | SELL | negotiated | アモーヴァ・アセットマネジメント株式会社 | other | 2.8M | ¥2,476 | -10.7% | ¥7.7B ($49.7M) |
| 2026-01-13 | SELL | negotiated | 三井住友トラスト・アセットマネジメント株式会社 | other | 744.7K | ¥2,476 | -10.7% | ¥2.0B ($13.2M) |
| 2026-01-13 | BUY | negotiated | 三井住友信託銀行株式会社 | strategic | 183.3K | ¥2,476 | -10.7% | ¥502M ($3.2M) |
| 2026-01-07 | SELL | negotiated | アモーヴァ・アセットマネジメント株式会社 | other | 2.9M | ¥2,486 | -10.3% | ¥7.8B ($50.5M) |
| 2026-01-07 | SELL | negotiated | 三井住友トラスト・アセットマネジメント株式会社 | other | 744.9K | ¥2,486 | -10.3% | ¥2.0B ($13.2M) |
| 2026-01-07 | BUY | negotiated | 三井住友信託銀行株式会社 | strategic | 183.3K | ¥2,486 | -10.3% | ¥502M ($3.2M) |
| 2025-11-21 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 720.3K | ¥2,350 | -16.6% | ¥882M ($5.7M) |
| 2025-11-21 | BUY | unknown | みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd. | other | 147.3K | ¥2,350 | +16.6% | ¥148M ($957K) |
| 2025-11-21 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 733.3K | ¥2,350 | +16.6% | ¥1.7B ($11.1M) |
| 2025-09-19 | BUY | unknown | 野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd. | other | 1.4M | ¥2,801 | -2.1% | ¥3.8B ($24.7M) |
| 2025-09-19 | SELL | unknown | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 86.8K | ¥2,801 | +2.1% | ¥4.2B ($26.9M) |
| 2025-09-05 | SELL | negotiated | アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd. | other | 3.2M | ¥2,830 | +3.1% | ¥74M ($475K) |
| 2025-09-05 | SELL | negotiated | 三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd. | other | 817.5K | ¥2,830 | +3.1% | ¥53M ($339K) |
| 2025-09-05 | BUY | negotiated | 三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited | strategic | 183.3K | ¥2,830 | -3.1% | ¥519M ($3.3M) |
| 2025-08-21 | BUY | Market Buy | ウエリントン・マネージメント・ホンコン・リミテッド Wellington Management Hong Kong Ltd | other | 219.2K | ¥2,798 | -2.0% | ¥613M ($4.0M) |
| 2025-08-21 | BUY | Market Buy | ウエリントン・マネージメント・ジャパン・ピーティーイー・リミテッド Wellington Management Japan Pte Ltd | other | 1.1M | ¥2,798 | -2.0% | ¥572M ($3.7M) |
| 2025-08-21 | SELL | Market Buy | ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP | other | 1.5M | ¥2,798 | +2.0% | ¥31M ($201K) |
| 2025-04-21 | BUY | unknown | 野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd. | other | 1.8M | ¥2,385 | +14.9% | ¥4.2B ($27.1M) |
| 2025-04-21 | BUY | Market Buy | ウエリントン・マネージメント・ジャパン・ピーティーイー・リミテッド Wellington Management Japan Pte Ltd | other | 901.8K | ¥2,385 | +14.9% | ¥425M ($2.7M) |
| 2025-04-21 | BUY | Market Buy | ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP | other | 1.5M | ¥2,385 | +14.9% | ¥585M ($3.8M) |
| 2025-04-21 | BUY | unknown | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 98.5K | ¥2,385 | +14.9% | ¥235M ($1.5M) |
| 2024-11-21 | BUY | unknown | ウエリントン・マネージメント・ジャパン・ピーティーイー・リミテッド Wellington Management Japan Pte Ltd | other | 725.7K | ¥2,047 | +33.9% | ¥1.5B ($9.6M) |
Showing the 50 most recent of 123 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 KH Neochem Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.