Who has been buying Taiho Kogyo Co., Ltd. stock?

3 distinct investors have filed 6 disclosed large-shareholding filings in Taiho Kogyo Co., Ltd. (6470), 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 Taiho Kogyo Co., Ltd. have?

Taiho Kogyo Co., Ltd. has 6 buy-side and 3 sell-side disclosures on record, covering ¥25.1B ($161.9M) in total reported value, spanning 2021-12-21 to 2026-04-22.

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.

Taiho Kogyo Co., Ltd. 6470

Company

大豊工業株式会社Taiho Kogyo Co., Ltd.

Investors

Buys

Total Value

¥25.1B ($161.9M)

Avg Return

+23.04%

Last Filing

2026-04-22

Taiho Kogyo Co., Ltd. (6470) has 6 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥25.1B ($161.9M) in reported transaction value. The earliest filing StockDrifts holds for Taiho Kogyo Co., Ltd. is dated 2021-12-21; the most recent is 2026-04-22. Across these filings the average return since disclosure is +23.04%, 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
2026-08-13	BUY	Market Buy	fundnote株式会社 fundnote	activist	3.7M	¥1,148	-2.6%	¥342M ($2.2M)
2026-07-22	BUY	Market Buy	fundnote株式会社 fundnote	activist	3.4M	¥1,072	+4.3%	¥316M ($2.0M)
2026-06-09	BUY	Market Buy	fundnote株式会社 fundnote	activist	3.1M	¥1,099	+1.7%	¥324M ($2.1M)
2026-04-22	BUY	Market Buy	fundnote株式会社 fundnote	activist	2.9M	¥1,113	+0.5%	¥360M ($2.3M)
2026-03-23	BUY	Market Buy	fundnote株式会社 fundnote	activist	2.5M	¥1,013	+10.4%	¥928M ($6.0M)
2026-02-20	BUY	unknown	fundnote株式会社 fundnote	activist	1.6M	¥985	+13.5%	¥1.6B ($10.3M)
2022-01-07	BUY	negotiated	トヨタ自動車株式会社 TOYOTA MOTOR CORPORATION	strategic	9.7M	¥912	+22.6%	¥8.7B ($56.4M)
2022-01-07	BUY	negotiated	トヨタ自動車株式会社 TOYOTA MOTOR CORPORATION	strategic	9.7M	¥912	+22.6%	¥8.7B ($56.4M)
2022-01-07	SELL	negotiated	ダイハツ工業株式会社 Daihatsu Motor Co.,Ltd.	strategic	45.3K	¥912	-22.6%	¥532M ($3.4M)
2022-01-07	SELL	negotiated	ダイハツ工業株式会社 Daihatsu Motor Co.,Ltd.	strategic	45.3K	¥912	-22.6%	¥532M ($3.4M)
2021-12-21	BUY	negotiated	トヨタ自動車株式会社 TOYOTA MOTOR CORPORATION	strategic	9.7M	¥756	+47.9%	¥7.2B ($46.7M)
2021-12-21	SELL	negotiated	ダイハツ工業株式会社 Daihatsu Motor Co.,Ltd.	strategic	50.0K	¥756	-47.9%	¥414M ($2.7M)

Frequently asked questions

Who has been buying Taiho Kogyo Co., Ltd. stock?: 3 distinct investors have filed 6 disclosed large-shareholding filings in Taiho Kogyo Co., Ltd. (6470), 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 Taiho Kogyo Co., Ltd. have?: Taiho Kogyo Co., Ltd. has 6 buy-side and 3 sell-side disclosures on record, covering ¥25.1B ($161.9M) in total reported value, spanning 2021-12-21 to 2026-04-22.
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.