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

3 distinct investors have filed 1 disclosed large-shareholding filings in Balnibarbi Co.,Ltd. (3418), most recently on 2025-11-21. 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 Balnibarbi Co.,Ltd. have?

Balnibarbi Co.,Ltd. has 1 buy-side and 11 sell-side disclosures on record, covering ¥562M ($3.6M) in total reported value, spanning 2022-10-05 to 2025-11-21.

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.

Balnibarbi Co.,Ltd. 3418

Company

株式会社バルニバービBalnibarbi Co.,Ltd.

Investors

Buys

Total Value

¥562M ($3.6M)

Avg Return

+18.57%

Last Filing

2025-11-21

Balnibarbi Co.,Ltd. (3418) has 1 disclosed large-shareholding filings and 11 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥562M ($3.6M) in reported transaction value. The earliest filing StockDrifts holds for Balnibarbi Co.,Ltd. is dated 2022-10-05; the most recent is 2025-11-21. Across these filings the average return since disclosure is +18.57%, 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
2025-11-21	SELL	Market Buy	SBIホールディングス株式会社 SBI Holdings, Inc.	passive	329.1K	¥1,065	+1.6%	¥426M ($2.7M)
2024-10-23	BUY	unknown	佐藤裕久 HIROHISA SATO	activist	796.9K	¥1,157	-	-
2024-10-23	BUY	unknown	株式会社HUMO HUMO Co., Ltd.	strategic	2.9M	¥1,157	-	-
2023-10-23	SELL	unknown	佐藤裕久 HIROHISA SATO	activist	796.9K	¥1,121	+6.5%	¥505M ($3.3M)
2023-10-23	SELL	unknown	佐藤裕久 HIROHISA SATO	activist	796.9K	¥1,121	+6.5%	¥505M ($3.3M)
2023-10-23	BUY	unknown	株式会社HUMO HUMO Co., Ltd.	strategic	2.9M	¥1,121	-	-
2023-10-23	BUY	unknown	株式会社HUMO HUMO Co., Ltd.	strategic	2.9M	¥1,121	-	-
2023-10-03	SELL	unknown	佐藤裕久 HIROHISA SATO	activist	1.2M	¥1,348	+22.3%	¥994M ($6.4M)
2023-10-03	BUY	unknown	佐藤裕久 HIROHISA SATO	activist	1.2M	¥1,348	-	-
2023-10-03	SELL	unknown	株式会社HUMO HUMO Co., Ltd.	strategic	2.9M	¥1,348	+22.3%	¥161M ($1.0M)
2023-10-03	BUY	unknown	株式会社HUMO HUMO Co., Ltd.	strategic	2.9M	¥1,348	-	-
2022-10-21	SELL	unknown	佐藤裕久 HIROHISA SATO	activist	1.2M	¥968	-8.3%	¥714M ($4.6M)
2022-10-21	SELL	unknown	株式会社HUMO HUMO Co., Ltd.	strategic	2.9M	¥968	-8.3%	¥115M ($744K)
2022-10-05	SELL	unknown	佐藤裕久 HIROHISA SATO	activist	1.9M	¥937	-11.8%	¥22M ($143K)
2022-10-05	SELL	unknown	佐藤裕久 HIROHISA SATO	activist	1.8M	¥937	-11.8%	¥129M ($829K)
2022-10-05	BUY	Market Buy	SBIホールディングス株式会社 SBI Holdings, Inc.	passive	600.0K	¥937	+11.8%	¥562M ($3.6M)
2022-10-05	SELL	unknown	株式会社HUMO HUMO Co., Ltd.	strategic	2.9M	¥937	-11.8%	¥112M ($720K)
2022-10-05	SELL	unknown	株式会社HUMO HUMO Co., Ltd.	strategic	2.9M	¥937	-11.8%	¥33M ($212K)

Frequently asked questions

Who has been buying Balnibarbi Co.,Ltd. stock?: 3 distinct investors have filed 1 disclosed large-shareholding filings in Balnibarbi Co.,Ltd. (3418), most recently on 2025-11-21. 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 Balnibarbi Co.,Ltd. have?: Balnibarbi Co.,Ltd. has 1 buy-side and 11 sell-side disclosures on record, covering ¥562M ($3.6M) in total reported value, spanning 2022-10-05 to 2025-11-21.
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.