StockDriftsStockDriftsI-ne Co. Ltd. (4933) has 14 disclosed large-shareholding filings and 34 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥5.2B ($33.4M) in reported transaction value. The earliest filing StockDrifts holds for I-ne Co. Ltd. is dated 2021-04-21; the most recent is 2026-01-06. Across these filings the average return since disclosure is -48.42%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-07-21 | SELL | unknown | 大西 洋平 | activist | 2.7M | ¥1,260 | -33.4% | ¥2M ($14K) |
| 2026-07-21 | BUY | unknown | 株式会社COH | activist | 7.4M | ¥1,260 | - | - |
| 2026-07-21 | BUY | unknown | 大西 洋平 | unknown | 2.7M | ¥1,260 | - | ¥3.4B ($22.1M) |
| 2026-01-06 | SELL | unknown | 大西 洋平 | activist | 2.7M | ¥1,331 | -26.3% | ¥7M ($46K) |
| 2026-01-06 | SELL | unknown | 株式会社COH | activist | 7.4M | ¥1,331 | -26.3% | ¥5M ($31K) |
| 2026-01-06 | BUY | unknown | 大西 洋平 | unknown | 2.7M | ¥1,331 | - | ¥3.6B ($23.4M) |
| 2025-11-20 | SELL | unknown | りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd. | other | 877.7K | ¥1,409 | -19.3% | ¥429M ($2.8M) |
| 2025-11-19 | SELL | Market Buy | スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd. | passive | 831.7K | ¥1,400 | -20.1% | ¥366M ($2.4M) |
| 2025-09-24 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 2.7M | ¥1,503 | -11.8% | ¥422M ($2.7M) |
| 2025-09-24 | BUY | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥1,503 | - | - |
| 2025-09-24 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 2.7M | ¥1,503 | - | ¥4.1B ($26.4M) |
| 2025-09-17 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 3.0M | ¥1,543 | -8.9% | ¥294M ($1.9M) |
| 2025-09-17 | BUY | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥1,543 | - | - |
| 2025-09-17 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 3.0M | ¥1,543 | - | ¥4.6B ($29.9M) |
| 2025-09-03 | BUY | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥1,602 | - | - |
| 2025-09-03 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 3.2M | ¥1,602 | - | ¥5.1B ($33.1M) |
| 2025-09-03 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 3.2M | ¥1,602 | -4.9% | ¥125M ($809K) |
| 2025-03-24 | BUY | Market Buy | りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd. | other | 1.2M | ¥1,674 | +0.4% | ¥342M ($2.2M) |
| 2024-12-17 | BUY | Market Buy | スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd. | passive | 1.1M | ¥1,897 | -11.4% | ¥374M ($2.4M) |
| 2024-06-28 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 3.3M | ¥1,724 | - | ¥5.6B ($36.4M) |
| 2024-06-28 | BUY | unknown | 大西 洋平 ONISHI Yohei | activist | 3.3M | ¥1,724 | - | - |
| 2024-06-28 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 3.3M | ¥1,724 | +2.5% | ¥15M ($99K) |
| 2024-06-28 | SELL | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥1,724 | +2.5% | ¥9M ($59K) |
| 2024-06-28 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 3.3M | ¥1,724 | - | ¥5.6B ($36.4M) |
| 2024-06-28 | BUY | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥1,724 | - | - |
| 2024-06-24 | SELL | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥1,754 | +4.2% | ¥9M ($60K) |
| 2024-06-24 | SELL | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥1,754 | +4.2% | ¥9M ($60K) |
| 2024-06-24 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 3.3M | ¥1,754 | - | ¥5.7B ($37.0M) |
| 2024-06-24 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 3.3M | ¥1,754 | +4.2% | ¥16M ($101K) |
| 2024-06-24 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 3.3M | ¥1,754 | +4.2% | ¥16M ($101K) |
| 2024-06-24 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 3.3M | ¥1,754 | - | ¥5.7B ($37.0M) |
| 2024-05-09 | BUY | unknown | ベイリー・ギフォード・アンド・カンパニー(Baillie Gifford & Co) Baillie Gifford & Co | other | 911.8K | ¥1,868 | -10.0% | ¥1.7B ($11.0M) |
| 2024-03-22 | BUY | unknown | りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd. | other | 975.9K | ¥1,857 | -9.5% | ¥1.8B ($11.7M) |
| 2024-01-24 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 3.3M | ¥2,444 | - | ¥8.0B ($51.7M) |
| 2024-01-24 | BUY | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥2,444 | - | - |
| 2024-01-24 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 3.3M | ¥2,444 | +31.2% | ¥513M ($3.3M) |
| 2023-12-20 | SELL | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥2,427 | +30.7% | ¥151M ($974K) |
| 2023-12-20 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 3.5M | ¥2,427 | +30.7% | ¥82M ($529K) |
| 2023-12-20 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 3.5M | ¥2,427 | - | ¥8.5B ($54.6M) |
| 2023-12-04 | BUY | Market Buy | スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd. | passive | 895.0K | ¥2,568 | -34.5% | ¥2.3B ($14.8M) |
| 2023-09-12 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 3.5M | ¥2,811 | +40.2% | ¥3.5B ($22.7M) |
| 2023-09-12 | BUY | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥2,811 | - | - |
| 2023-09-12 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 3.5M | ¥2,811 | - | ¥9.8B ($63.3M) |
| 2023-06-30 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 4.7M | ¥2,750 | +38.9% | ¥10M ($63K) |
| 2023-06-30 | BUY | unknown | 株式会社COH COH Co., Ltd. | activist | 7.4M | ¥2,750 | - | - |
| 2023-06-30 | BUY | unknown | 大西 洋平 ONISHI Yohei | unknown | 4.7M | ¥2,750 | - | ¥13.0B ($84.1M) |
| 2023-05-18 | BUY | Market Buy | JPモルガン・アセット・マネジメント株式会社 JPMorgan Asset Management (Japan) Limited | passive | 494.1K | ¥3,415 | -50.8% | ¥1.7B ($10.7M) |
| 2023-05-18 | BUY | Market Buy | JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd. | other | 64.6K | ¥3,415 | -50.8% | ¥72M ($466K) |
| 2023-05-18 | SELL | Market Buy | ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc | other | 124.7K | ¥3,415 | +50.8% | ¥6M ($39K) |
| 2023-04-25 | SELL | unknown | 大西 洋平 ONISHI Yohei | activist | 4.7M | ¥3,280 | +48.8% | ¥682M ($4.4M) |
Showing the 50 most recent of 77 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.