Who has been buying Nipro Corporation stock?

13 distinct investors have filed 63 disclosed large-shareholding filings in Nipro Corporation (8086), most recently on 2026-04-22. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Nipro Corporation have?

Nipro Corporation has 63 buy-side and 55 sell-side disclosures on record, covering ¥82.8B ($534.5M) in total reported value, spanning 2021-10-07 to 2026-04-22.

Where does StockDrifts get Nipro Corporation insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Nipro Corporation 8086

Company

ニプロ株式会社Nipro Corporation

Investors

Buys

Total Value

¥82.8B ($534.5M)

Avg Return

+23.15%

Last Filing

2026-04-22

Nipro Corporation (8086) has 63 disclosed large-shareholding filings and 55 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥82.8B ($534.5M) in reported transaction value. The earliest filing StockDrifts holds for Nipro Corporation is dated 2021-10-07; the most recent is 2026-04-22. 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 +23.15%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-08-07	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥1,610	-0.9%	-
2026-08-07	BUY	Market Buy	アセットマネジメントOne株式会社	other	3.1M	¥1,610	-0.9%	¥248M ($1.6M)
2026-08-07	BUY	unknown	みずほ信託銀行株式会社	other	599.2K	¥1,610	-0.9%	¥965M ($6.2M)
2026-08-07	SELL	unknown	みずほ証券株式会社	other	5.7M	¥1,610	+0.9%	¥2.2B ($13.9M)
2026-08-07	BUY	Market Buy	株式会社みずほ銀行	strategic	500.0K	¥1,610	-0.9%	¥28M ($178K)
2026-07-07	SELL	unknown	野村アセットマネジメント株式会社	other	2.5M	¥1,565	-2.6%	¥1.2B ($7.8M)
2026-07-07	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	1.0M	¥1,565	+2.6%	¥5.5B ($35.3M)
2026-07-07	BUY	Market Buy	野村證券株式会社	other	8.5M	¥1,565	+2.6%	¥27M ($173K)
2026-06-22	BUY	Market Buy	野村アセットマネジメント株式会社	other	3.3M	¥1,624.5	-2.0%	¥1.2B ($7.7M)
2026-06-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-2.6M	¥1,624.5	-	-
2026-06-22	SELL	unknown	野村證券株式会社	other	8.5M	¥1,624.5	+2.0%	¥2.5B ($16.2M)
2026-06-05	BUY	unknown	ゴールドマン・サックス・アセット・マネジメント・エル・ピー Goldman Sachs Asset Management, L.P.	other	1.1M	¥1,749.5	-10.9%	¥1.9B ($12.0M)
2026-06-05	BUY	unknown	ゴールドマン・サックス・インターナショナル Goldman Sachs International	other	7.1M	¥1,749.5	-10.9%	¥12.4B ($80.3M)
2026-06-05	BUY	unknown	ゴールドマン・サックス証券株式会社	other	416.0K	¥1,749.5	-10.9%	¥728M ($4.7M)
2026-05-22	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥1,713	-3.9%	-
2026-05-22	BUY	unknown	みずほ信託銀行株式会社	other	599.2K	¥1,713	-3.9%	¥1.0B ($6.6M)
2026-05-22	BUY	Market Buy	アセットマネジメントOne株式会社	other	3.0M	¥1,713	-3.9%	¥264M ($1.7M)
2026-05-22	BUY	Market Buy	野村アセットマネジメント株式会社	other	2.6M	¥1,713	-3.9%	¥969M ($6.3M)
2026-05-22	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	¥1,713	+3.9%	¥793M ($5.1M)
2026-05-22	SELL	unknown	野村證券株式会社	other	10.3M	¥1,713	+3.9%	¥176M ($1.1M)
2026-05-22	BUY	Market Buy	みずほ証券株式会社	other	7.1M	¥1,713	-3.9%	¥176M ($1.1M)
2026-05-22	BUY	unknown	株式会社みずほ銀行	strategic	500.0K	¥1,713	-3.9%	¥857M ($5.5M)
2026-05-22	BUY	Market Buy	ゴールドマン・サックス・アセット・マネジメント・エル・ピー Goldman Sachs Asset Management, L.P.	other	930.7K	¥1,713	-3.9%	¥352M ($2.3M)
2026-05-22	SELL	unknown	ゴールドマン・サックス・インターナショナル Goldman Sachs International	other	7.0M	¥1,713	+3.9%	¥2.0B ($12.7M)
2026-05-22	BUY	Market Buy	ゴールドマン・サックス証券株式会社	other	442.8K	¥1,713	-3.9%	¥646M ($4.2M)
2026-04-22	SELL	unknown	野村アセットマネジメント株式会社	other	1.9M	¥1,563.5	-9.4%	¥2.6B ($16.6M)
2026-04-22	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	2.7M	¥1,563.5	+9.4%	¥2.0B ($13.0M)
2026-04-22	SELL	unknown	野村證券株式会社	other	10.3M	¥1,563.5	-9.4%	¥27M ($173K)
2026-04-07	BUY	subscription	みずほインターナショナル Mizuho International plc	other	0	¥1,630.5	-8.6%	-
2026-04-07	SELL	subscription	アセットマネジメントOne株式会社	other	2.9M	¥1,630.5	+8.6%	¥168M ($1.1M)
2026-04-07	BUY	subscription	みずほ信託銀行株式会社	other	599.2K	¥1,630.5	-8.6%	¥977M ($6.3M)
2026-04-07	SELL	subscription	みずほ証券株式会社	other	7.0M	¥1,630.5	+8.6%	¥1.2B ($7.8M)
2026-04-07	BUY	subscription	株式会社みずほ銀行	strategic	500.0K	¥1,630.5	-8.6%	¥815M ($5.3M)
2026-04-07	BUY	Market Buy	野村アセットマネジメント株式会社	other	3.5M	¥1,630.5	-8.6%	¥3.2B ($20.4M)
2026-04-07	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	1.3M	¥1,630.5	+8.6%	¥168M ($1.1M)
2026-04-07	BUY	Market Buy	野村證券株式会社	other	10.4M	¥1,630.5	-8.6%	¥56M ($361K)
2026-03-06	SELL	unknown	日本電気硝子株式会社 Nippon Electric Glass Co., Ltd.	strategic	8.5M	¥1,555	-2.9%	¥2.7B ($17.2M)
2026-03-06	SELL	unknown	野村アセットマネジメント株式会社	other	1.6M	¥1,555	-2.9%	¥2.6B ($16.5M)
2026-03-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.4M	¥1,555	-2.9%	¥2.2B ($14.3M)
2026-03-06	SELL	unknown	野村證券株式会社	other	10.3M	¥1,555	-2.9%	¥16.5B ($106.6M)
2026-01-08	BUY	Market Buy	野村アセットマネジメント株式会社	other	5.2M	¥1,470.5	+8.8%	¥8.4B ($54.1M)
2026-01-08	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	2.3M	¥1,470.5	+8.8%	¥3.7B ($23.9M)
2026-01-08	BUY	Market Buy	野村證券株式会社	other	10.4M	¥1,470.5	+8.8%	¥16.7B ($107.7M)
2025-11-21	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥1,489	+7.5%	-
2025-11-21	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	3.0M	¥1,489	+7.5%	¥4.4B ($28.4M)
2025-11-21	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	599.3K	¥1,489	+7.5%	¥892M ($5.8M)
2025-11-21	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	7.8M	¥1,489	+7.5%	¥11.6B ($75.2M)
2025-11-21	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	500.0K	¥1,489	+7.5%	¥745M ($4.8M)
2025-10-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	5.2M	¥1,505.5	+6.3%	¥387M ($2.5M)
2025-10-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	517.9K	¥1,505.5	-6.3%	¥3.3B ($21.0M)

Showing the 50 most recent of 170 filings.

Frequently asked questions

Who has been buying Nipro Corporation stock?: 13 distinct investors have filed 63 disclosed large-shareholding filings in Nipro Corporation (8086), most recently on 2026-04-22. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Nipro Corporation have?: Nipro Corporation has 63 buy-side and 55 sell-side disclosures on record, covering ¥82.8B ($534.5M) in total reported value, spanning 2021-10-07 to 2026-04-22.
Where does StockDrifts get Nipro Corporation insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Source 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 Nipro Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.