StockDriftsStockDriftsNitto Boseki Co., Ltd. (3110) has 28 disclosed large-shareholding filings and 28 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥47.9B ($309.3M) in reported transaction value. The earliest filing StockDrifts holds for Nitto Boseki Co., Ltd. is dated 2021-12-22; 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 +634.66%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-06 | BUY | unknown | アモーヴァ・アセットマネジメント株式会社 | other | 3.8M | ¥2,918 | +8.5% | ¥11.1B ($71.5M) |
| 2026-08-06 | BUY | unknown | 三井住友トラスト・アセットマネジメント株式会社 | other | 3.1M | ¥2,918 | +8.5% | ¥9.1B ($59.0M) |
| 2026-08-06 | BUY | negotiated | 三井住友信託銀行株式会社 | strategic | 2.6M | ¥2,918 | +8.5% | ¥7.6B ($49.3M) |
| 2026-06-22 | SELL | unknown | アセットマネジメントOne株式会社 | other | 859.2K | ¥4,136 | +26.6% | ¥1.6B ($10.6M) |
| 2026-06-22 | BUY | unknown | みずほ信託銀行株式会社 | other | 1.4M | ¥4,136 | -26.6% | ¥5.6B ($36.4M) |
| 2026-06-22 | SELL | unknown | みずほ証券 株式会社 | other | 121.7K | ¥4,136 | +26.6% | ¥78M ($503K) |
| 2026-06-22 | BUY | unknown | 株式会社みずほ銀行 | strategic | 800.0K | ¥4,136 | -26.6% | ¥3.3B ($21.3M) |
| 2026-04-07 | BUY | unknown | みずほ信託銀行株式会社 | other | 1.4M | ¥21,660 | +30.0% | ¥25.8B ($166.6M) |
| 2026-04-07 | BUY | unknown | みずほ証券 株式会社 | other | 137.9K | ¥21,660 | +30.0% | ¥327M ($2.1M) |
| 2026-04-07 | SELL | unknown | アセットマネジメントOne株式会社 | other | 1.3M | ¥21,660 | -30.0% | ¥1.3B ($8.4M) |
| 2026-04-07 | BUY | unknown | 株式会社みずほ銀行 | strategic | 800.0K | ¥21,660 | +30.0% | ¥17.3B ($111.8M) |
| 2026-03-23 | SELL | unknown | アセットマネジメントOne株式会社 | other | 1.3M | ¥20,120 | -32.8% | ¥35.2B ($227.1M) |
| 2026-03-23 | BUY | unknown | みずほ信託銀行株式会社 | other | 174.5K | ¥20,120 | -32.8% | ¥4.7B ($30.1M) |
| 2026-03-23 | BUY | unknown | みずほ証券 株式会社 | other | 124.8K | ¥20,120 | +32.8% | ¥3.3B ($21.5M) |
| 2026-03-23 | BUY | unknown | 株式会社みずほ銀行 | strategic | 800.0K | ¥20,120 | -32.8% | ¥21.4B ($137.9M) |
| 2025-12-04 | SELL | negotiated | アモーヴァ・アセットマネジメント株式会社 | other | 567.7K | ¥11,620 | -129.9% | ¥15.2B ($97.9M) |
| 2025-12-04 | 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 | 571.3K | ¥11,620 | -129.9% | ¥15.3B ($98.5M) |
| 2025-12-04 | BUY | negotiated | 三井住友信託銀行株式会社 | strategic | 554.5K | ¥11,620 | -129.9% | ¥14.8B ($95.6M) |
| 2025-11-21 | BUY | Market Buy | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 2.1M | ¥14,330 | +86.5% | ¥8.1B ($52.0M) |
| 2025-11-21 | BUY | Market Buy | みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd. | other | 174.5K | ¥14,330 | +86.5% | ¥2.5B ($16.1M) |
| 2025-11-21 | SELL | Market Buy | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 66.0K | ¥14,330 | -86.5% | ¥162M ($1.0M) |
| 2025-11-21 | BUY | Market Buy | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 800.0K | ¥14,330 | +86.5% | ¥11.5B ($74.0M) |
| 2025-10-07 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.5M | ¥7,410 | +260.6% | ¥615M ($4.0M) |
| 2025-10-07 | BUY | unknown | みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd. | other | 174.5K | ¥7,410 | +260.6% | ¥1.3B ($8.3M) |
| 2025-10-07 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 78.3K | ¥7,410 | -260.6% | ¥783M ($5.0M) |
| 2025-10-07 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 800.0K | ¥7,410 | +260.6% | ¥5.9B ($38.2M) |
| 2025-09-22 | BUY | Market Buy | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.4M | ¥6,710 | +298.2% | ¥2.0B ($13.1M) |
| 2025-09-22 | BUY | Market Buy | みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd. | other | 174.5K | ¥6,710 | +298.2% | ¥1.2B ($7.6M) |
| 2025-09-22 | BUY | Market Buy | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 184.2K | ¥6,710 | +298.2% | ¥835M ($5.4M) |
| 2025-09-22 | BUY | Market Buy | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 800.0K | ¥6,710 | +298.2% | ¥5.4B ($34.6M) |
| 2025-09-19 | 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 | 901.5K | ¥6,760 | -295.3% | ¥383M ($2.5M) |
| 2025-09-19 | 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 | 591.2K | ¥6,760 | -295.3% | ¥332M ($2.1M) |
| 2025-09-19 | BUY | negotiated | 三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited | strategic | 554.5K | ¥6,760 | +295.3% | ¥3.7B ($24.2M) |
| 2025-08-22 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.1M | ¥5,430 | -392.1% | ¥2.1B ($13.3M) |
| 2025-08-22 | BUY | unknown | みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd. | other | 174.5K | ¥5,430 | +392.1% | ¥948M ($6.1M) |
| 2025-08-22 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 60.4K | ¥5,430 | -392.1% | ¥123M ($793K) |
| 2025-08-22 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 800.0K | ¥5,430 | +392.1% | ¥4.3B ($28.0M) |
| 2025-07-07 | BUY | Market Buy | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.5M | ¥5,990 | +346.1% | ¥2.1B ($13.8M) |
| 2025-07-07 | BUY | Market Buy | みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd. | other | 174.5K | ¥5,990 | +346.1% | ¥1.0B ($6.7M) |
| 2025-07-07 | BUY | Market Buy | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 82.6K | ¥5,990 | +346.1% | ¥136M ($875K) |
| 2025-07-07 | BUY | Market Buy | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 800.0K | ¥5,990 | +346.1% | ¥4.8B ($30.9M) |
| 2025-05-21 | SELL | negotiated | 日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd. | other | 956.8K | ¥4,220 | -533.2% | ¥1.6B ($10.5M) |
| 2025-05-21 | BUY | 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 | 639.7K | ¥4,220 | +533.2% | ¥207M ($1.3M) |
| 2025-05-21 | SELL | negotiated | 三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited | strategic | 554.5K | ¥4,220 | -533.2% | ¥255M ($1.6M) |
| 2025-03-24 | 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 | 2.1K | ¥4,625 | +477.7% | ¥733M ($4.7M) |
| 2025-03-24 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.1M | ¥4,625 | -477.7% | ¥2.0B ($12.8M) |
| 2025-03-24 | BUY | unknown | みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd. | other | 174.5K | ¥4,625 | +477.7% | ¥807M ($5.2M) |
| 2025-03-24 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 61.5K | ¥4,625 | +477.7% | ¥70M ($450K) |
| 2025-03-24 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 800.0K | ¥4,625 | +477.7% | ¥3.7B ($23.9M) |
| 2024-11-21 | SELL | negotiated | 日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd. | other | 1.3M | ¥5,600 | -377.1% | ¥1.2B ($7.8M) |
Showing the 50 most recent of 101 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 Nitto Boseki Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.