Who has been buying Nichiha Corporation stock?

9 distinct investors have filed 12 disclosed large-shareholding filings in Nichiha Corporation (7943), 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 Nichiha Corporation have?

Nichiha Corporation has 12 buy-side and 6 sell-side disclosures on record, covering ¥18.7B ($120.8M) in total reported value, spanning 2021-04-22 to 2026-04-22.

Where does StockDrifts get Nichiha 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.

Nichiha Corporation 7943

Company

ニチハ株式会社Nichiha Corporation

Investors

Buys

Total Value

¥18.7B ($120.8M)

Avg Return

+11.03%

Last Filing

2026-04-22

Nichiha Corporation (7943) has 12 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥18.7B ($120.8M) in reported transaction value. The earliest filing StockDrifts holds for Nichiha Corporation is dated 2021-04-22; 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 +11.03%, 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
2026-04-22	BUY	unknown	株式会社三井住友銀行	other	1.6M	¥3,225	-10.2%	¥5.2B ($33.2M)
2026-04-22	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	879.1K	¥3,225	-10.2%	¥1.2B ($7.6M)
2026-03-06	BUY	Market Buy	株式会社三井住友銀行	other	1.6M	¥3,390	-2.4%	¥5.3B ($34.1M)
2026-03-06	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	512.4K	¥3,390	-2.4%	¥1.7B ($10.9M)
2025-11-21	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.6M	¥2,932	+12.9%	¥4.7B ($30.2M)
2025-11-21	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	308.9K	¥2,932	-12.9%	¥1.2B ($7.9M)
2025-10-21	BUY	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	536.6K	¥2,791	+18.6%	¥1.5B ($9.7M)
2025-10-21	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	582.7K	¥2,791	+18.6%	¥1.6B ($10.5M)
2025-10-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	756.0K	¥2,791	+18.6%	¥2.1B ($13.6M)
2025-09-19	BUY	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	495.8K	¥2,872	+15.3%	¥364M ($2.4M)
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	593.4K	¥2,872	-15.3%	¥493M ($3.2M)
2025-09-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	756.0K	¥2,872	+15.3%	¥2.2B ($14.0M)
2024-09-06	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.6M	¥3,570	-7.3%	¥5.7B ($36.8M)
2024-09-06	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	727.6K	¥3,570	-7.3%	¥1.5B ($9.8M)
2023-12-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.5M	¥2,762	+19.8%	¥4.1B ($26.5M)
2023-12-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	68.7K	¥2,762	+19.8%	¥190M ($1.2M)
2023-11-21	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	¥2,750	-20.4%	¥164M ($1.1M)
2023-11-21	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	1.5M	¥2,750	+20.4%	¥4.0B ($25.8M)
2022-09-22	BUY	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	58.9K	¥2,754	+20.2%	¥162M ($1.0M)
2022-09-22	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	1.9M	¥2,754	+20.2%	¥5.1B ($33.2M)
2022-09-07	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.6M	¥2,697	+22.7%	¥4.3B ($27.8M)
2022-09-07	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	300.5K	¥2,697	-22.7%	¥1.1B ($6.9M)
2022-08-22	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.2M	¥2,844	-16.4%	¥1.1B ($7.1M)
2021-04-22	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	701.8K	¥3,180	-4.1%	¥1.2B ($7.7M)
2021-04-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.6M	¥3,180	+4.1%	¥5.1B ($32.8M)

Frequently asked questions

Who has been buying Nichiha Corporation stock?: 9 distinct investors have filed 12 disclosed large-shareholding filings in Nichiha Corporation (7943), 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 Nichiha Corporation have?: Nichiha Corporation has 12 buy-side and 6 sell-side disclosures on record, covering ¥18.7B ($120.8M) in total reported value, spanning 2021-04-22 to 2026-04-22.
Where does StockDrifts get Nichiha 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 Nichiha Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.