Who has been buying Needs Well Inc. stock?

4 distinct investors have filed 9 disclosed large-shareholding filings in Needs Well Inc. (3992), most recently on 2026-03-25. 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 Needs Well Inc. have?

Needs Well Inc. has 9 buy-side and 4 sell-side disclosures on record, covering ¥8.5B ($54.7M) in total reported value, spanning 2021-03-25 to 2026-03-25.

Where does StockDrifts get Needs Well 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.

Needs Well Inc. 3992

Company

株式会社ニーズウェルNeeds Well Inc.

Investors

Buys

Total Value

¥8.5B ($54.7M)

Avg Return

+148.35%

Last Filing

2026-03-25

Needs Well Inc. (3992) has 9 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥8.5B ($54.7M) in reported transaction value. The earliest filing StockDrifts holds for Needs Well Inc. is dated 2021-03-25; the most recent is 2026-03-25. 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 +148.35%, 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
2026-03-25	BUY	unknown	佐藤辰弥	activist	878.4K	¥523	+10.7%	¥410M ($2.6M)
2026-03-25	BUY	unknown	株式会社オーディーシー	strategic	14.4M	¥523	+10.7%	¥6.7B ($43.4M)
2026-03-25	BUY	Market Buy	佐藤辰弥	activist	878.4K	¥523	+10.7%	¥410M ($2.6M)
2026-03-25	BUY	Market Buy	株式会社オーディーシー	strategic	14.4M	¥523	-10.7%	¥6.7B ($43.4M)
2025-10-06	BUY	unknown	佐藤辰弥 Tatsuya Sato	activist	878.4K	¥532	-12.2%	¥467M ($3.0M)
2025-10-06	SELL	unknown	株式会社オーディーシー ODC Inc.	strategic	14.4M	¥532	+12.2%	¥4M ($28K)
2023-10-10	BUY	unknown	株式会社オーディーシー ODC Inc.	strategic	3.6M	¥322	+45.0%	¥1.1B ($7.4M)
2023-10-10	SELL	unknown	佐藤辰弥 Tatsuya Sato	activist	219.6K	¥322	-45.0%	¥14M ($93K)
2021-09-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	55.7K	¥180.75	+158.4%	¥10M ($65K)
2021-09-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	389.8K	¥180.75	+158.4%	¥67M ($431K)
2021-08-20	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	55.7K	¥168.5	+177.2%	¥160K ($1K)
2021-08-20	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	660.4K	¥168.5	+177.2%	¥103M ($666K)
2021-07-26	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	55.1K	¥157.5	+196.5%	¥9M ($56K)
2021-07-26	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	788.8K	¥157.5	+196.5%	¥114M ($734K)
2021-06-29	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	54.6K	¥165.75	-181.8%	¥153K ($987)
2021-06-29	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	927.6K	¥165.75	+181.8%	¥139M ($895K)
2021-05-10	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	55.6K	¥158.75	-194.2%	¥145K ($933)
2021-05-10	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	1.0M	¥158.75	+194.2%	¥146M ($943K)
2021-03-25	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	56.3K	¥147.932	+215.7%	¥8M ($54K)
2021-03-25	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	1.1M	¥147.932	+215.7%	¥148M ($957K)

Frequently asked questions

Who has been buying Needs Well Inc. stock?: 4 distinct investors have filed 9 disclosed large-shareholding filings in Needs Well Inc. (3992), most recently on 2026-03-25. 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 Needs Well Inc. have?: Needs Well Inc. has 9 buy-side and 4 sell-side disclosures on record, covering ¥8.5B ($54.7M) in total reported value, spanning 2021-03-25 to 2026-03-25.
Where does StockDrifts get Needs Well 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 Needs Well Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.