StockDriftsStockDriftsSeiko Epson Corporation (6724) has 70 disclosed large-shareholding filings and 43 disclosed disposals on record, filed by 26 distinct investors. Together those filings cover ¥878.0B ($5.7B) in reported transaction value. The earliest filing StockDrifts holds for Seiko Epson Corporation is dated 2021-04-21; the most recent is 2026-04-03. 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 +5.91%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-07 | SELL | unknown | 野村證券株式会社 | other | 115.4K | ¥3,175 | +0.1% | ¥5.8B ($37.5M) |
| 2026-08-07 | SELL | unknown | 野村アセットマネジメント株式会社 | other | 29.6M | ¥3,175 | +0.1% | ¥6.6B ($42.9M) |
| 2026-05-21 | BUY | Market Buy | アモーヴァ・アセットマネジメント株式会社 | other | 17.7M | ¥2,437.5 | +13.4% | ¥9.7B ($62.9M) |
| 2026-05-21 | SELL | unknown | 三井住友トラスト・アセットマネジメント株式会社 | other | 7.1M | ¥2,437.5 | -13.4% | ¥2.6B ($17.0M) |
| 2026-04-03 | BUY | Market Buy | 野村アセットマネジメント株式会社 | other | 31.7M | ¥1,986 | +5.5% | ¥3.4B ($22.0M) |
| 2026-04-03 | SELL | Market Buy | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 68.4K | ¥1,986 | -5.5% | ¥7.6B ($49.3M) |
| 2026-04-03 | BUY | Market Buy | 野村證券株式会社 | other | 1.9M | ¥1,986 | +5.5% | ¥2.9B ($18.7M) |
| 2026-02-20 | BUY | unknown | アセットマネジメントOne株式会社 | other | 8.3M | ¥2,073.5 | +3.1% | ¥17.8B ($114.7M) |
| 2026-02-20 | BUY | unknown | みずほ信託銀行株式会社 | strategic | 400.0K | ¥2,073.5 | +3.1% | ¥855M ($5.5M) |
| 2026-02-20 | BUY | unknown | みずほ証券 株式会社 | other | 2.4M | ¥2,073.5 | +3.1% | ¥5.1B ($32.9M) |
| 2026-02-20 | BUY | unknown | 株式会社みずほ銀行 | other | 8.2M | ¥2,073.5 | +3.1% | ¥17.4B ($112.4M) |
| 2025-10-21 | SELL | unknown | 野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd. | other | 30.0M | ¥1,984 | -7.7% | ¥1.7B ($11.0M) |
| 2025-10-21 | BUY | unknown | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 3.9M | ¥1,984 | +7.7% | ¥7.6B ($49.3M) |
| 2025-10-21 | SELL | unknown | 野村證券株式会社 Nomura Securities Co.,Ltd. | other | 470.0K | ¥1,984 | -7.7% | ¥6.8B ($44.0M) |
| 2025-10-06 | BUY | Market Buy | 野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd. | other | 30.8M | ¥1,964.5 | +8.8% | ¥73M ($473K) |
| 2025-10-06 | BUY | Market Buy | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 64.2K | ¥1,964.5 | +8.8% | ¥6.6B ($42.6M) |
| 2025-10-06 | BUY | Market Buy | 野村證券株式会社 Nomura Securities Co.,Ltd. | other | 3.9M | ¥1,964.5 | +8.8% | ¥7.9B ($51.1M) |
| 2025-09-19 | BUY | Market Buy | 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 | 13.7M | ¥1,947 | +9.8% | ¥1.4B ($8.9M) |
| 2025-09-19 | BUY | Market Buy | 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 | 8.2M | ¥1,947 | +9.8% | ¥800M ($5.2M) |
| 2025-09-05 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 8.2M | ¥1,968.5 | -8.6% | ¥294M ($1.9M) |
| 2025-09-05 | BUY | unknown | みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd. | strategic | 400.0K | ¥1,968.5 | +8.6% | ¥787M ($5.1M) |
| 2025-09-05 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 681.9K | ¥1,968.5 | +8.6% | ¥1.3B ($8.7M) |
| 2025-09-05 | SELL | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | other | 8.2M | ¥1,968.5 | -8.6% | ¥4.0B ($25.6M) |
| 2025-08-07 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 8.4M | ¥1,878.5 | +13.8% | ¥15.7B ($101.3M) |
| 2025-08-07 | BUY | unknown | みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd. | strategic | 400.0K | ¥1,878.5 | +13.8% | ¥751M ($4.8M) |
| 2025-08-07 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 10.2M | ¥1,878.5 | +13.8% | ¥19.1B ($123.2M) |
| 2025-07-07 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 7.8M | ¥1,855.5 | -15.2% | ¥1.4B ($8.9M) |
| 2025-07-07 | BUY | unknown | みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd. | strategic | 400.0K | ¥1,855.5 | +15.2% | ¥742M ($4.8M) |
| 2025-07-07 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 100.0K | ¥1,855.5 | +15.2% | ¥16.4B ($105.5M) |
| 2025-07-07 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 10.2M | ¥1,855.5 | +15.2% | ¥18.9B ($121.7M) |
| 2025-07-03 | BUY | Market Buy | 野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd. | other | 30.8M | ¥1,908 | +12.0% | ¥3.1B ($19.8M) |
| 2025-07-03 | BUY | Market Buy | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 4.1M | ¥1,908 | +12.0% | ¥3.7B ($23.9M) |
| 2025-07-03 | SELL | Market Buy | 野村證券株式会社 Nomura Securities Co.,Ltd. | other | -121.8K | ¥1,908 | -12.0% | ¥606.1B ($3.9B) |
| 2025-06-10 | BUY | unknown | 野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd. | other | 29.2M | ¥1,883 | +13.5% | ¥5.2B ($33.6M) |
| 2025-06-10 | SELL | unknown | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 2.2M | ¥1,883 | -13.5% | ¥18.4B ($118.4M) |
| 2025-06-10 | BUY | unknown | 野村證券株式会社 Nomura Securities Co.,Ltd. | other | 3.2M | ¥1,883 | +13.5% | ¥598.1B ($3.9B) |
| 2025-06-06 | SELL | Market Buy | 野村證券株式会社 Nomura Securities Co.,Ltd. | other | -91.1K | ¥1,820.5 | -17.4% | ¥136M ($878K) |
| 2025-06-06 | SELL | Market Buy | 野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd. | other | 26.5M | ¥1,820.5 | -17.4% | ¥2.2B ($14.0M) |
| 2025-06-06 | BUY | Market Buy | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 11.9M | ¥1,820.5 | +17.4% | ¥18.0B ($115.8M) |
| 2025-06-04 | SELL | Market Buy | ブラックロック・インベストメント・マネジメント(ユーケー)リミテッドLimited) BlackRock Investment Management (UK | passive | 437.2K | ¥1,843 | -16.0% | ¥275M ($1.8M) |
| 2025-06-04 | SELL | Market Buy | ブラックロック・インスティテューショナル・トラスト・カンパニー、エヌ.エイ.(BlackRock Institutional Trust Company BlackRock Institutional Trust Company, N.A. | passive | 2.9M | ¥1,843 | -16.0% | ¥2.8B ($18.2M) |
| 2025-06-04 | SELL | Market Buy | ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors | passive | 3.5M | ¥1,843 | -16.0% | ¥5.9B ($38.2M) |
| 2025-06-04 | SELL | Market Buy | ブラックロック・アセット・マネジメント・アイルランド・リミテッド BlackRock Asset Management Ireland Limited | passive | 725.6K | ¥1,843 | -16.0% | ¥4.6B ($29.8M) |
| 2025-06-04 | BUY | Market Buy | ブラックロック・アセット・マネジメント・カナダ・リミテッド BlackRock Asset Management Canada Limited | passive | 132.3K | ¥1,843 | +16.0% | ¥26.1B ($168.3M) |
| 2025-06-04 | SELL | Market Buy | ブラックロック・ファンド・マネジャーズ・リミテッド BlackRock Fund Managers Limited | passive | 1.1M | ¥1,843 | -16.0% | ¥1.7B ($10.7M) |
| 2025-06-04 | SELL | Market Buy | ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands | passive | 452.9K | ¥1,843 | -16.0% | ¥895M ($5.8M) |
| 2025-06-04 | SELL | Market Buy | ブラックロック・インベストメント・マネジメント (オーストラリア)リミテッドLimited) BlackRock Investment Management (Australia | passive | 400 | ¥1,843 | -16.0% | ¥688M ($4.4M) |
| 2025-06-04 | BUY | Market Buy | ブラックロック・フィナンシャル・マネジメント・インク(BlackRock Financial Management BlackRock Financial Management, Inc. | passive | 398.6K | ¥1,843 | +16.0% | ¥735M ($4.7M) |
| 2025-06-04 | BUY | Market Buy | アペリオ・グループ・エルエルシー(Aperio Group Aperio Group, LLC | passive | 469.2K | ¥1,843 | +16.0% | ¥69M ($444K) |
| 2025-06-04 | SELL | Market Buy | ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd. | passive | 7.1M | ¥1,843 | -16.0% | ¥551M ($3.6M) |
Showing the 50 most recent of 132 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 Seiko Epson Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.