Who has been buying Kufu Company Inc. stock?

4 distinct investors have filed 4 disclosed large-shareholding filings in Kufu Company Inc. (4376), most recently on 2025-12-19. 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 Kufu Company Inc. have?

Kufu Company Inc. has 4 buy-side and 4 sell-side disclosures on record, covering ¥3.1B ($20.3M) in total reported value, spanning 2021-10-07 to 2025-12-19.

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.

Kufu Company Inc. 4376

Company

株式会社くふうカンパニーホールディングスKufu Company Inc.

Investors

Buys

Total Value

¥3.1B ($20.3M)

Avg Return

-66.63%

Last Filing

2025-12-19

Kufu Company Inc. (4376) has 4 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥3.1B ($20.3M) in reported transaction value. The earliest filing StockDrifts holds for Kufu Company Inc. is dated 2021-10-07; the most recent is 2025-12-19. Across these filings the average return since disclosure is -66.63%, 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
2025-12-19	SELL	unknown	穐田誉輝 Yoshiteru Akita	other	35.9M	¥169	-4.7%	¥518M ($3.3M)
2025-11-21	BUY	unknown	穐田誉輝 Yoshiteru Akita	other	39.0M	¥178	-	-
2024-11-20	SELL	unknown	穐田誉輝 Yoshiteru Akita	other	39.0M	¥212	+16.5%	¥174M ($1.1M)
2024-11-20	SELL	unknown	菊川怜 Rei Kikukawa	other	286.1K	¥212	+16.5%	¥127M ($819K)
2024-02-08	SELL	private	株式会社くふう住まい Kufu Sumai Inc.	corporate	135	¥306	+42.2%	¥1.7B ($11.1M)
2024-02-01	BUY	private	株式会社くふう住まい Kufu Sumai Inc.	corporate	5.6M	¥322	-45.0%	¥1.8B ($11.7M)
2023-02-17	BUY	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	2.9M	¥395	-55.2%	¥1.2B ($7.5M)
2022-02-04	BUY	unknown	穐田誉輝 Yoshiteru Akita	other	38.7M	¥398	-	-
2022-02-04	BUY	unknown	穐田怜 Rei Akita	other	286.1K	¥398	-	-
2021-10-07	BUY	unknown	穐田誉輝 Yoshiteru Akita	other	38.7M	¥613	-71.1%	¥23.7B ($153.1M)
2021-10-07	BUY	unknown	穐田怜 Rei Akita	other	286.1K	¥613	-71.1%	¥175M ($1.1M)

Frequently asked questions

Who has been buying Kufu Company Inc. stock?: 4 distinct investors have filed 4 disclosed large-shareholding filings in Kufu Company Inc. (4376), most recently on 2025-12-19. 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 Kufu Company Inc. have?: Kufu Company Inc. has 4 buy-side and 4 sell-side disclosures on record, covering ¥3.1B ($20.3M) in total reported value, spanning 2021-10-07 to 2025-12-19.
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.