Who has been buying Wellco Holdings Corporation stock?

4 distinct investors have filed 5 disclosed large-shareholding filings in Wellco Holdings Corporation (7831), most recently on 2026-04-21. 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 Wellco Holdings Corporation have?

Wellco Holdings Corporation has 5 buy-side and 9 sell-side disclosures on record, covering ¥1.5B ($9.7M) in total reported value, spanning 2022-09-21 to 2026-04-21.

Where does StockDrifts get Wellco Holdings Corporation 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.

Wellco Holdings Corporation 7831

Company

株式会社ウイルコホールディングスWellco Holdings Corporation

Investors

Buys

Total Value

¥1.5B ($9.7M)

Avg Return

-22.05%

Last Filing

2026-04-21

Wellco Holdings Corporation (7831) has 5 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥1.5B ($9.7M) in reported transaction value. The earliest filing StockDrifts holds for Wellco Holdings Corporation is dated 2022-09-21; the most recent is 2026-04-21. 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 -22.05%, 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
2026-06-22	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	175.8K	¥66	-1.5%	¥49M ($316K)
2026-04-21	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	917.4K	¥87	-3.5%	¥80M ($515K)
2026-04-06	SELL	unknown	株式会社SBI証券	other	151.8K	¥88	+4.5%	¥55M ($354K)
2026-01-08	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	776.5K	¥90	-3.3%	¥70M ($451K)
2025-10-09	SELL	unknown	若林裕紀子 Yukiko Wakabayashi	strategic	68	¥101	+13.9%	¥190M ($1.2M)
2025-10-09	SELL	unknown	有限会社わかさ屋 Wakasaya Co., Ltd.	strategic	3.0M	¥101	+13.9%	¥690M ($4.5M)
2025-10-09	SELL	unknown	若林和芳 Kazuyoshi Wakabayashi	strategic	49	¥101	+13.9%	¥36M ($235K)
2025-09-10	BUY	unknown	若林裕紀子 Yukiko Wakabayashi	strategic	1.9M	¥121	-28.1%	¥228M ($1.5M)
2025-09-10	BUY	unknown	有限会社わかさ屋 Wakasaya Co., Ltd.	strategic	9.8M	¥121	-28.1%	¥1.2B ($7.7M)
2025-09-10	BUY	unknown	若林和芳 Kazuyoshi Wakabayashi	strategic	359.6K	¥121	-28.1%	¥44M ($281K)
2025-08-15	BUY	unknown	若林裕紀子 Yukiko Wakabayashi	strategic	1.9M	¥119	-26.9%	¥880K ($6K)
2025-08-15	BUY	unknown	有限会社わかさ屋 Wakasaya Co., Ltd.	strategic	9.8M	¥119	-26.9%	¥1.2B ($7.5M)
2025-08-15	SELL	unknown	若林和芳 Kazuyoshi Wakabayashi	strategic	359.6K	¥119	+26.9%	¥880K ($6K)
2022-09-21	SELL	unknown	若林裕紀子 Yukiko Wakabayashi	strategic	1.9M	¥141	+38.3%	¥86M ($554K)
2022-09-21	BUY	unknown	有限会社わかさ屋 Wakasaya Co., Ltd.	strategic	9.8M	¥141	-38.3%	¥709M ($4.6M)
2022-09-21	SELL	unknown	若林裕紀子 Yukiko Wakabayashi	strategic	1.9M	¥141	+38.3%	¥86M ($554K)
2022-09-21	BUY	unknown	有限会社わかさ屋 Wakasaya Co., Ltd.	strategic	9.8M	¥141	-38.3%	¥709M ($4.6M)
2022-09-21	SELL	unknown	若林和芳 Kazuyoshi Wakabayashi	strategic	368.0K	¥141	+38.3%	¥623M ($4.0M)
2022-09-21	SELL	unknown	若林和芳 Kazuyoshi Wakabayashi	strategic	368.0K	¥141	+38.3%	¥623M ($4.0M)

Frequently asked questions

Who has been buying Wellco Holdings Corporation stock?: 4 distinct investors have filed 5 disclosed large-shareholding filings in Wellco Holdings Corporation (7831), most recently on 2026-04-21. 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 Wellco Holdings Corporation have?: Wellco Holdings Corporation has 5 buy-side and 9 sell-side disclosures on record, covering ¥1.5B ($9.7M) in total reported value, spanning 2022-09-21 to 2026-04-21.
Where does StockDrifts get Wellco Holdings Corporation 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 Wellco Holdings Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.