Who has been buying Vital KSK Holdings, Inc. stock?

5 distinct investors have filed 6 disclosed large-shareholding filings in Vital KSK Holdings, Inc. (3151), most recently on 2025-03-07. 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 Vital KSK Holdings, Inc. have?

Vital KSK Holdings, Inc. has 6 buy-side and 1 sell-side disclosures on record, covering ¥895M ($5.8M) in total reported value, spanning 2021-03-17 to 2025-03-07.

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.

Vital KSK Holdings, Inc. 3151

Company

株式会社バイタルケーエスケー・ホールディングスVital KSK Holdings, Inc.

Investors

Buys

Total Value

¥895M ($5.8M)

Avg Return

+28.03%

Last Filing

2025-03-07

Vital KSK Holdings, Inc. (3151) has 6 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥895M ($5.8M) in reported transaction value. The earliest filing StockDrifts holds for Vital KSK Holdings, Inc. is dated 2021-03-17; the most recent is 2025-03-07. Across these filings the average return since disclosure is +28.03%, 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
2025-03-07	BUY	unknown	合同会社MH LLC MH	strategic	4.9M	¥1,249	-	¥6.1B ($39.4M)
2025-03-07	BUY	unknown	合同会社MH LLC MH	strategic	4.9M	¥1,249	-	¥6.1B ($39.4M)
2025-03-07	BUY	unknown	鈴木三尚 Sanhisa Suzuki	strategic	159.4K	¥1,249	-	¥199M ($1.3M)
2025-03-07	BUY	unknown	鈴木さとみ Satomi Suzuki	strategic	11.8K	¥1,249	-	¥15M ($95K)
2025-03-07	BUY	unknown	鈴木三尚 Sanhisa Suzuki	strategic	159.4K	¥1,249	-	¥199M ($1.3M)
2025-03-07	BUY	unknown	鈴木さとみ Satomi Suzuki	strategic	11.8K	¥1,249	-	¥15M ($95K)
2025-02-28	BUY	unknown	鈴木賢 Ken Suzuki	strategic	1.4M	¥1,172	+37.6%	¥6M ($39K)
2025-02-28	BUY	unknown	合同会社MH LLC MH	strategic	4.9M	¥1,172	+37.6%	¥5.7B ($37.0M)
2025-02-28	SELL	unknown	有限会社鈴彦 Suzuhiko Ltd.	strategic	25	¥1,172	-37.6%	¥57M ($370K)
2025-02-28	BUY	unknown	鈴木三尚 Sanhisa Suzuki	strategic	159.4K	¥1,172	+37.6%	¥187M ($1.2M)
2025-02-28	BUY	unknown	鈴木さとみ Satomi Suzuki	strategic	11.8K	¥1,172	+37.6%	¥14M ($89K)
2024-02-02	BUY	unknown	鈴木賢 Ken Suzuki	strategic	1.4M	¥1,171	+37.8%	¥261M ($1.7M)
2024-02-02	BUY	unknown	鈴木賢 Ken Suzuki	strategic	1.4M	¥1,171	-	-
2024-02-02	BUY	unknown	有限会社鈴彦 Suzuhiko Ltd.	strategic	4.9M	¥1,171	-	-
2024-02-02	BUY	unknown	有限会社鈴彦 Suzuhiko Ltd.	strategic	4.9M	¥1,171	+37.8%	¥875M ($5.6M)
2021-03-17	BUY	unknown	鈴木賢 Ken Suzuki	strategic	1.3M	¥692.443	-	-

Frequently asked questions

Who has been buying Vital KSK Holdings, Inc. stock?: 5 distinct investors have filed 6 disclosed large-shareholding filings in Vital KSK Holdings, Inc. (3151), most recently on 2025-03-07. 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 Vital KSK Holdings, Inc. have?: Vital KSK Holdings, Inc. has 6 buy-side and 1 sell-side disclosures on record, covering ¥895M ($5.8M) in total reported value, spanning 2021-03-17 to 2025-03-07.
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.