Who has been buying Hasegawa Co., Ltd. stock?

4 distinct investors have filed 2 disclosed large-shareholding filings in Hasegawa Co., Ltd. (8230), most recently on 2025-02-28. 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 Hasegawa Co., Ltd. have?

Hasegawa Co., Ltd. has 2 buy-side and 1 sell-side disclosures on record, covering ¥305M ($2.0M) in total reported value, spanning 2025-01-10 to 2025-02-28.

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.

Hasegawa Co., Ltd. 8230

Company

株式会社はせがわHasegawa Co., Ltd.

Investors

Buys

Total Value

¥305M ($2.0M)

Avg Return

+4.08%

Last Filing

2025-02-28

Hasegawa Co., Ltd. (8230) has 2 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥305M ($2.0M) in reported transaction value. The earliest filing StockDrifts holds for Hasegawa Co., Ltd. is dated 2025-01-10; the most recent is 2025-02-28. Across these filings the average return since disclosure is +4.08%, 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
2026-09-03	BUY	unknown	株式会社オオモリ総建	other	30.5K	¥312	-	-
2026-09-03	BUY	Market Buy	長谷川興産株式会社	other	4.3M	¥312	-1.6%	¥138M ($893K)
2026-09-03	BUY	negotiated	長谷川素子	activist	280.4K	¥312	-	-
2026-09-03	BUY	negotiated	長谷川裕一	activist	2.2M	¥312	-	-
2026-09-03	BUY	unknown	株式会社オオモリ総建	other	30.5K	¥312	-	-
2026-09-03	BUY	Market Buy	長谷川興産株式会社	other	4.3M	¥312	-1.6%	¥138M ($893K)
2026-09-03	BUY	negotiated	長谷川素子	activist	280.4K	¥312	-	-
2026-09-03	BUY	negotiated	長谷川裕一	activist	2.2M	¥312	-	-
2025-02-28	BUY	unknown	株式会社オオモリ総建	other	30.5K	¥310	-	-
2025-02-28	BUY	unknown	長谷川興産株式会社	other	3.8M	¥310	-	-
2025-02-28	BUY	negotiated	長谷川裕一	activist	2.2M	¥310	-	-
2025-02-28	BUY	negotiated	長谷川裕一 Yuichi Hasegawa	activist	2.2M	¥310	-	-
2025-02-28	BUY	negotiated	長谷川興産株式会社 Hasegawa Kosan Co., Ltd.	other	3.8M	¥310	-	-
2025-02-28	BUY	negotiated	株式会社オオモリ総建 Oomori Souken Co., Ltd.	other	30.5K	¥310	-	-
2025-02-05	BUY	negotiated	長谷川裕一 Yuichi Hasegawa	activist	2.2M	¥305	+0.7%	¥11M ($70K)
2025-02-05	SELL	negotiated	長谷川興産株式会社 Hasegawa Kosan Co., Ltd.	other	3.8M	¥305	-0.7%	¥40M ($257K)
2025-02-05	BUY	negotiated	株式会社オオモリ総建 Oomori Souken Co., Ltd.	unknown	30.5K	¥305	-	-
2025-01-10	BUY	Market Buy	吉野泰雄 Yasuo Yoshino	passive	949.5K	¥310	-1.0%	¥294M ($1.9M)

Frequently asked questions

Who has been buying Hasegawa Co., Ltd. stock?: 4 distinct investors have filed 2 disclosed large-shareholding filings in Hasegawa Co., Ltd. (8230), most recently on 2025-02-28. 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 Hasegawa Co., Ltd. have?: Hasegawa Co., Ltd. has 2 buy-side and 1 sell-side disclosures on record, covering ¥305M ($2.0M) in total reported value, spanning 2025-01-10 to 2025-02-28.
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.