Who has been buying Wealth Management, Inc. stock?

7 distinct investors have filed 3 disclosed large-shareholding filings in Wealth Management, Inc. (3772), most recently on 2026-04-03. 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 Wealth Management, Inc. have?

Wealth Management, Inc. has 3 buy-side and 15 sell-side disclosures on record, covering ¥9.6B ($62.0M) in total reported value, spanning 2021-05-28 to 2026-04-03.

Where does StockDrifts get Wealth Management, Inc. insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

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.

Wealth Management, Inc. 3772

Company

ウェルス・マネジメント株式会社Wealth Management, Inc.

Investors

Buys

Total Value

¥9.6B ($62.0M)

Avg Return

+4.78%

Last Filing

2026-04-03

Wealth Management, Inc. (3772) has 3 disclosed large-shareholding filings and 15 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥9.6B ($62.0M) in reported transaction value. The earliest filing StockDrifts holds for Wealth Management, Inc. is dated 2021-05-28; the most recent is 2026-04-03. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is +4.78%, 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
2026-04-03	BUY	unknown	株式会社第一ライフグループ Daiichi Life Group, Inc.	strategic	5.5M	¥1,068	+1.8%	¥5.8B ($37.6M)
2026-03-09	SELL	negotiated	千野和俊 KAZUTOSHI SENNO	activist	5.2M	¥1,057	-2.0%	¥379M ($2.4M)
2026-03-09	BUY	negotiated	小島秀明	activist	270.8K	¥1,057	-2.0%	¥292M ($1.9M)
2026-03-09	SELL	negotiated	千野和俊	activist	5.2M	¥1,057	-2.0%	¥5.6B ($36.3M)
2025-12-16	SELL	Market Buy	サムティ株式会社 Samty Co.,Ltd.	passive	0	¥1,086	+0.7%	¥5.9B ($38.2M)
2025-12-08	BUY	Market Buy	サムティ株式会社 Samty Co.,Ltd.	passive	5.5M	¥1,077	+0.1%	¥5.9B ($37.9M)
2025-10-31	BUY	negotiated	小島秀明 Hideaki Kojima	activist	270.8K	¥1,100	-2.0%	¥298M ($1.9M)
2025-10-31	SELL	negotiated	千野和俊 KAZUTOSHI SENNO	activist	5.2M	¥1,100	+2.0%	¥154M ($994K)
2025-10-31	SELL	negotiated	千野和俊 KAZUTOSHI SENNO	activist	5.5M	¥1,100	+2.0%	¥264M ($1.7M)
2025-10-31	SELL	Market Buy	サムティ株式会社 Samty Co.,Ltd.	passive	5.5M	¥1,100	+2.0%	¥34M ($218K)
2025-10-29	BUY	unknown	第一生命ホールディングス株式会社 Dai-ichi Life Holdings, Inc.	strategic	5.5M	¥1,088	-0.9%	¥5.9B ($38.3M)
2024-02-28	SELL	Market Buy	サムティ株式会社 Samty Co.,Ltd.	passive	5.5M	¥905	-19.1%	¥585M ($3.8M)
2024-02-28	BUY	Market Buy	サムティ株式会社 Samty Co.,Ltd.	passive	5.5M	¥905	+19.1%	¥585M ($3.8M)
2023-06-06	SELL	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	846.2K	¥1,628	+33.8%	¥343M ($2.2M)
2023-04-20	SELL	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	1.1M	¥1,579	+31.7%	¥424M ($2.7M)
2023-02-21	SELL	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	1.3M	¥1,265	+14.8%	¥234M ($1.5M)
2022-12-21	SELL	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	1.5M	¥1,250	+13.8%	¥257M ($1.7M)
2022-11-11	SELL	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	1.8M	¥1,271	+15.2%	¥230M ($1.5M)
2022-09-30	SELL	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	987.2K	¥1,445	+25.4%	¥147M ($947K)
2022-09-07	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	1.1M	¥1,420.5	-24.1%	¥1.6B ($10.1M)
2021-09-16	BUY	subscription	サムティ株式会社 Samty Co.,Ltd.	activist	2.7M	¥1,076.5	+0.1%	¥2.9B ($19.0M)
2021-09-01	BUY	subscription	サムティ株式会社 Samty Co.,Ltd.	activist	2.7M	¥948	+13.7%	¥2.6B ($16.7M)
2021-08-05	SELL	Market Buy	合同会社アクアマリーン GK Aquamarine	passive	0	¥957.5	-12.6%	¥2.6B ($16.9M)
2021-05-28	BUY	subscription	サムティ株式会社 Samty Co.,Ltd.	activist	2.7M	¥773.5	+39.4%	¥2.1B ($13.6M)
2021-05-28	SELL	Market Buy	合同会社アクアマリーン GK Aquamarine	passive	2.7M	¥773.5	-39.4%	¥51M ($328K)

Frequently asked questions

Who has been buying Wealth Management, Inc. stock?: 7 distinct investors have filed 3 disclosed large-shareholding filings in Wealth Management, Inc. (3772), most recently on 2026-04-03. 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 Wealth Management, Inc. have?: Wealth Management, Inc. has 3 buy-side and 15 sell-side disclosures on record, covering ¥9.6B ($62.0M) in total reported value, spanning 2021-05-28 to 2026-04-03.
Where does StockDrifts get Wealth Management, Inc. insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
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.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Wealth Management, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.