Who has been buying Nichiwa Sangyo Co., Ltd. stock?

8 distinct investors have filed 9 disclosed large-shareholding filings in Nichiwa Sangyo Co., Ltd. (2055), most recently on 2026-05-12. 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 Nichiwa Sangyo Co., Ltd. have?

Nichiwa Sangyo Co., Ltd. has 9 buy-side and 4 sell-side disclosures on record, covering ¥1.2B ($7.7M) in total reported value, spanning 2021-12-14 to 2026-05-12.

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.

Nichiwa Sangyo Co., Ltd. 2055

Company

日和産業株式会社Nichiwa Sangyo Co., Ltd.

Investors

Buys

Total Value

¥1.2B ($7.7M)

Avg Return

+18.52%

Last Filing

2026-05-12

Nichiwa Sangyo Co., Ltd. (2055) has 9 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥1.2B ($7.7M) in reported transaction value. The earliest filing StockDrifts holds for Nichiwa Sangyo Co., Ltd. is dated 2021-12-14; the most recent is 2026-05-12. Across these filings the average return since disclosure is +18.52%, 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
2026-05-12	BUY	unknown	SMBC日興証券株式会社	other	177.9K	¥364	-5.2%	¥65M ($418K)
2026-05-12	BUY	unknown	株式会社三井住友銀行	other	873.0K	¥364	-5.2%	¥318M ($2.1M)
2026-04-22	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	1.4M	¥372	-	-
2025-10-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	1.4M	¥331	+4.2%	¥463M ($3.0M)
2025-07-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	unknown	0	¥312	-10.6%	¥443M ($2.9M)
2024-07-29	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	873.3K	¥324	-6.5%	¥16M ($105K)
2024-07-29	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	strategic	312.2K	¥324	-6.5%	¥5M ($35K)
2024-07-29	SELL	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	20.4K	¥324	-6.5%	¥675K ($4K)
2024-06-21	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	1.4M	¥306	+12.8%	¥434M ($2.8M)
2024-06-11	BUY	Market Buy	株式会社十文字チキンカンパニー jumonjichickencompany	other	1.4M	¥303	+13.9%	¥54M ($350K)
2023-09-14	BUY	Market Buy	株式会社十文字チキンカンパニー JUMONJICHIKENCOMPANY	other	1.2M	¥279	+23.7%	¥58M ($375K)
2022-12-06	BUY	unknown	株式会社十文字チキンカンパニー JUMONJICHICKENCOMPANYLTD	other	1.0M	¥236	+46.2%	¥246M ($1.6M)
2022-03-02	BUY	Market Buy	アンアースインターナショナルリミテッド Unearth International Limited	activist	71.0K	¥318	+8.5%	¥19M ($124K)
2021-12-14	BUY	Market Buy	アンアースインターナショナルリミテッド Unearth International Limited	activist	1.1M	¥314	+9.9%	¥332M ($2.1M)

Frequently asked questions

Who has been buying Nichiwa Sangyo Co., Ltd. stock?: 8 distinct investors have filed 9 disclosed large-shareholding filings in Nichiwa Sangyo Co., Ltd. (2055), most recently on 2026-05-12. 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 Nichiwa Sangyo Co., Ltd. have?: Nichiwa Sangyo Co., Ltd. has 9 buy-side and 4 sell-side disclosures on record, covering ¥1.2B ($7.7M) in total reported value, spanning 2021-12-14 to 2026-05-12.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.