Who has been buying Nissui Corporation stock?

12 distinct investors have filed 9 disclosed large-shareholding filings in Nissui Corporation (1332), most recently on 2026-05-11. 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 Nissui Corporation have?

Nissui Corporation has 9 buy-side and 14 sell-side disclosures on record, covering ¥80.5B ($519.3M) in total reported value, spanning 2022-01-21 to 2026-05-11.

Where does StockDrifts get Nissui 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.

Nissui Corporation 1332

Company

株式会社ニッスイNissui Corporation

Investors

Buys

Total Value

¥80.5B ($519.3M)

Avg Return

+36.45%

Last Filing

2026-05-11

Nissui Corporation (1332) has 9 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 12 distinct investors. Together those filings cover ¥80.5B ($519.3M) in reported transaction value. The earliest filing StockDrifts holds for Nissui Corporation is dated 2022-01-21; the most recent is 2026-05-11. 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 +36.45%, 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
2026-08-04	BUY	Market Buy	野村證券株式会社	other	1.3M	¥1,223.5	+7.1%	¥1.5B ($9.9M)
2026-08-04	BUY	Market Buy	野村アセットマネジメント株式会社	other	32.1M	¥1,223.5	+7.1%	¥2.8B ($18.3M)
2026-08-04	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	256.2K	¥1,223.5	-7.1%	¥3.8B ($24.6M)
2026-06-03	BUY	Market Buy	野村アセットマネジメント株式会社	other	29.7M	¥1,266.5	+2.1%	¥541M ($3.5M)
2026-06-03	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	3.3M	¥1,266.5	+2.1%	¥3.9B ($25.4M)
2026-06-03	SELL	unknown	野村證券株式会社	other	20.3K	¥1,266.5	-2.1%	¥348M ($2.2M)
2026-05-11	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	14.1M	¥1,204	-4.4%	¥5.5B ($35.7M)
2026-03-23	SELL	Market Buy	SMBC日興証券株式会社	other	203.2K	¥1,326.5	+2.5%	¥263M ($1.7M)
2026-03-23	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	18.7M	¥1,326.5	-2.5%	¥24.2B ($156.2M)
2025-11-21	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	405.2K	¥1,223	+5.8%	¥496M ($3.2M)
2025-11-21	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	15.4M	¥1,223	+5.8%	¥18.8B ($121.4M)
2025-09-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	972.0K	¥1,044.5	+23.9%	¥1.0B ($6.6M)
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	15.7M	¥1,044.5	-23.9%	¥848M ($5.5M)
2025-09-19	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	8.8M	¥1,044.5	+23.9%	¥392M ($2.5M)
2025-07-23	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	7.4M	¥871.4	-48.5%	¥545M ($3.5M)
2025-07-23	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	623.6K	¥871.4	+48.5%	¥543M ($3.5M)
2025-07-23	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	82.8K	¥871.4	+48.5%	¥7.4B ($47.8M)
2025-07-23	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	5.3M	¥871.4	-48.5%	¥2.3B ($15.1M)
2025-07-22	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	8.4M	¥867.9	-49.1%	¥380M ($2.4M)
2025-07-22	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	972.0K	¥867.9	-49.1%	¥84.1B ($542.3M)
2025-07-22	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	16.5M	¥867.9	-49.1%	¥2.2B ($14.0M)
2024-04-17	BUY	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	¥921.7	+40.4%	¥27.3B ($176.4M)
2024-04-17	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	244.2K	¥921.7	+40.4%	¥22.7B ($146.8M)
2024-04-17	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	308.4K	¥921.7	+40.4%	¥284M ($1.8M)
2024-02-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	8.0M	¥937.2	-38.1%	¥2.8B ($17.8M)
2024-02-22	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	623.6K	¥937.2	+38.1%	¥584M ($3.8M)
2024-02-22	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	875.8K	¥937.2	+38.1%	¥821M ($5.3M)
2024-02-22	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	8.0M	¥937.2	-38.1%	¥2.5B ($16.1M)
2023-12-15	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	33.1M	¥762.7	+69.7%	¥2.1B ($13.8M)
2023-12-15	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	312.7K	¥762.7	+69.7%	¥239M ($1.5M)
2023-06-22	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	19.0M	¥660	+96.1%	¥186M ($1.2M)
2023-06-22	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	8.8M	¥660	-96.1%	¥2.2B ($14.0M)
2023-06-22	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.9M	¥660	+96.1%	¥1.3B ($8.3M)
2022-06-30	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	30.3M	¥573	-125.8%	¥1.8B ($11.7M)
2022-01-21	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	11.0M	¥533	-142.8%	¥1.5B ($9.8M)
2022-01-21	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	223.6K	¥533	-142.8%	¥67M ($430K)
2022-01-21	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	10.7M	¥533	+142.8%	¥5.7B ($36.6M)

Frequently asked questions

Who has been buying Nissui Corporation stock?: 12 distinct investors have filed 9 disclosed large-shareholding filings in Nissui Corporation (1332), most recently on 2026-05-11. 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 Nissui Corporation have?: Nissui Corporation has 9 buy-side and 14 sell-side disclosures on record, covering ¥80.5B ($519.3M) in total reported value, spanning 2022-01-21 to 2026-05-11.
Where does StockDrifts get Nissui 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 Nissui Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.