StockDriftsStockDriftsIriso Electronics Co., Ltd. (6908) has 38 disclosed large-shareholding filings and 20 disclosed disposals on record, filed by 15 distinct investors. Together those filings cover ¥46.8B ($301.7M) in reported transaction value. The earliest filing StockDrifts holds for Iriso Electronics Co., Ltd. is dated 2021-05-12; the most recent is 2025-10-20. 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 +14.50%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2025-10-20 | BUY | negotiated | 三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 295.4K | ¥3,080 | +18.0% | ¥196M ($1.3M) |
| 2025-10-20 | SELL | negotiated | 三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 597.6K | ¥3,080 | -18.0% | ¥768M ($5.0M) |
| 2025-10-20 | BUY | negotiated | 株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc. | strategic | 162.0K | ¥3,080 | +18.0% | ¥499M ($3.2M) |
| 2025-09-22 | BUY | unknown | 野村絢 Aya Nomura (Murakami family) | activist | 945.8K | ¥3,030 | +20.0% | ¥2.8B ($18.3M) |
| 2025-09-22 | BUY | unknown | 株式会社シティインデックスイレブンス City Index Eleven Co., Ltd. | activist | 400 | ¥3,030 | +20.0% | ¥1M ($8K) |
| 2025-06-26 | BUY | unknown | 野村絢 Aya Nomura (Murakami family) | activist | 1.2M | ¥2,774 | +31.0% | ¥3.4B ($22.0M) |
| 2025-06-26 | BUY | unknown | 株式会社シティインデックスイレブンス City Index Eleven Co., Ltd. | activist | 400 | ¥2,774 | +31.0% | ¥1M ($7K) |
| 2025-05-08 | BUY | negotiated | 三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 845.2K | ¥2,530 | +43.7% | ¥2.1B ($13.8M) |
| 2025-05-08 | BUY | negotiated | 三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 232.1K | ¥2,530 | +43.7% | ¥587M ($3.8M) |
| 2025-05-08 | BUY | negotiated | 株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc. | strategic | 162.0K | ¥2,530 | +43.7% | ¥410M ($2.6M) |
| 2024-11-15 | SELL | unknown | 野村絢 Aya Nomura (Murakami family) | activist | 372.7K | ¥2,718 | -33.7% | ¥1.0B ($6.5M) |
| 2024-11-15 | BUY | unknown | 株式会社シティインデックスイレブンス City Index Eleven Co., Ltd. | activist | 502.0K | ¥2,718 | +33.7% | ¥1.4B ($8.8M) |
| 2024-10-29 | BUY | unknown | 株式会社シティインデックスイレブンス City Index Eleven Co., Ltd. | activist | 502.0K | ¥2,610 | +39.3% | ¥1.3B ($8.5M) |
| 2024-10-29 | BUY | unknown | 野村絢 Aya Nomura (Murakami family) | activist | 742.1K | ¥2,610 | +39.3% | ¥1.9B ($12.5M) |
| 2024-09-03 | BUY | unknown | 野村絢 Aya Nomura (Murakami family) | activist | 914.7K | ¥2,609 | +39.3% | ¥2.4B ($15.2M) |
| 2024-09-03 | BUY | unknown | 株式会社シティインデックスイレブンス City Index Eleven Co., Ltd. | activist | 100 | ¥2,609 | +39.3% | ¥261K ($2K) |
| 2024-08-22 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 607.2K | ¥2,745 | +32.4% | ¥1.6B ($10.6M) |
| 2024-08-22 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 105.6K | ¥2,745 | -32.4% | ¥27M ($174K) |
| 2024-08-22 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 80.8K | ¥2,745 | +32.4% | ¥222M ($1.4M) |
| 2024-08-20 | BUY | unknown | 野村絢 Aya Nomura (Murakami family) | activist | 1.2M | ¥2,580 | +40.9% | ¥3.2B ($20.7M) |
| 2024-08-20 | BUY | unknown | 株式会社シティインデックスイレブンス City Index Eleven Co., Ltd. | activist | 100 | ¥2,580 | +40.9% | ¥258K ($2K) |
| 2024-04-22 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 80.8K | ¥2,824 | +28.7% | ¥228M ($1.5M) |
| 2024-04-22 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.0M | ¥2,824 | +28.7% | ¥2.9B ($19.0M) |
| 2024-04-22 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 116.5K | ¥2,824 | +28.7% | ¥329M ($2.1M) |
| 2024-04-19 | SELL | Market Buy | シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited | passive | 0 | ¥2,778 | -30.9% | ¥82M ($529K) |
| 2024-04-19 | BUY | Market Buy | シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited | passive | 737.9K | ¥2,778 | +30.9% | ¥2.0B ($13.0M) |
| 2024-03-25 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 80.8K | ¥3,050 | +19.2% | ¥246M ($1.6M) |
| 2024-03-25 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.0M | ¥3,050 | +19.2% | ¥3.1B ($20.0M) |
| 2024-03-25 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 110.1K | ¥3,050 | -19.2% | ¥82M ($532K) |
| 2024-03-22 | SELL | unknown | 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 | 709.8K | ¥3,140 | -15.8% | ¥803M ($5.2M) |
| 2024-03-22 | SELL | unknown | 日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd. | other | 263.9K | ¥3,140 | -15.8% | ¥8M ($50K) |
| 2024-03-18 | BUY | negotiated | 株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc. | strategic | 162.0K | ¥3,080 | +18.0% | ¥499M ($3.2M) |
| 2024-03-18 | BUY | negotiated | 三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 255.5K | ¥3,080 | +18.0% | ¥38M ($244K) |
| 2024-03-18 | SELL | negotiated | 三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 599.9K | ¥3,080 | -18.0% | ¥772M ($5.0M) |
| 2024-02-22 | BUY | unknown | アセットマネジメントOneインターナショナル Asset Management One International Ltd. | other | 8.8K | ¥3,095 | +17.4% | ¥2.8B ($17.9M) |
| 2024-02-22 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 137.2K | ¥3,095 | +17.4% | ¥107M ($687K) |
| 2024-02-22 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 80.8K | ¥3,095 | +17.4% | ¥250M ($1.6M) |
| 2024-02-22 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.4M | ¥3,095 | +17.4% | ¥4.2B ($27.2M) |
| 2024-02-19 | BUY | negotiated | 株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc. | strategic | 162.0K | ¥3,070 | +18.4% | ¥497M ($3.2M) |
| 2024-02-19 | BUY | negotiated | 三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 243.4K | ¥3,070 | +18.4% | ¥747M ($4.8M) |
| 2024-02-19 | BUY | negotiated | 三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 851.8K | ¥3,070 | +18.4% | ¥2.6B ($16.9M) |
| 2023-09-25 | BUY | Market Buy | アセットマネジメントOneインターナショナル Asset Management One International Ltd. | other | 89.3K | ¥4,195 | -13.3% | ¥375M ($2.4M) |
| 2023-09-25 | BUY | Market Buy | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 103.4K | ¥4,195 | -13.3% | ¥434M ($2.8M) |
| 2023-09-25 | BUY | Market Buy | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 80.8K | ¥4,195 | -13.3% | ¥339M ($2.2M) |
| 2023-09-25 | BUY | Market Buy | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.8M | ¥4,195 | -13.3% | ¥732M ($4.7M) |
| 2023-09-22 | BUY | unknown | 日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd. | other | 266.5K | ¥4,170 | -12.8% | ¥1.1B ($7.2M) |
| 2023-09-22 | BUY | unknown | 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 | 966.0K | ¥4,170 | -12.8% | ¥4.0B ($26.0M) |
| 2023-08-22 | SELL | unknown | フィデリティ投信株式会社 FIL Investments (Japan) Limited | other | 571.2K | ¥3,700 | +1.8% | ¥2.9B ($18.7M) |
| 2023-07-24 | SELL | unknown | フィデリティ投信株式会社 FIL Investments (Japan) Limited | other | 1.4M | ¥3,925 | +7.4% | ¥1.3B ($8.5M) |
| 2023-07-07 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 104.2K | ¥4,030 | -9.8% | ¥30M ($192K) |
Showing the 50 most recent of 74 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 Iriso Electronics Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.