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

3 distinct investors have filed 3 disclosed large-shareholding filings in Washhouse Co.,Ltd. (6537), most recently on 2025-04-04. 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 Washhouse Co.,Ltd. have?

Washhouse Co.,Ltd. has 3 buy-side and 13 sell-side disclosures on record, covering ¥454M ($2.9M) in total reported value, spanning 2021-03-30 to 2025-04-04.

Where does StockDrifts get Washhouse Co.,Ltd. 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.

Washhouse Co.,Ltd. 6537

Company

WASHハウス株式会社Washhouse Co.,Ltd.

Investors

Buys

Total Value

¥454M ($2.9M)

Avg Return

+9.79%

Last Filing

2025-04-04

Washhouse Co.,Ltd. (6537) has 3 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥454M ($2.9M) in reported transaction value. The earliest filing StockDrifts holds for Washhouse Co.,Ltd. is dated 2021-03-30; the most recent is 2025-04-04. 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 +9.79%, 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
2025-04-04	BUY	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.5M	¥339	+5.9%	¥501M ($3.2M)
2025-04-04	BUY	unknown	児玉康孝 KODAMA YASUTAKA	other	2.5M	¥339	+5.9%	¥850M ($5.5M)
2024-10-07	BUY	Market Buy	株式会社KDM KDM Co., Ltd.	strategic	1.5M	¥383	-6.3%	¥566M ($3.7M)
2024-10-07	BUY	unknown	吉川健 YOSHIKAWA TAKESHI	strategic	800.0K	¥383	-6.3%	¥306M ($2.0M)
2024-10-07	BUY	Market Buy	児玉康孝 KODAMA YASUTAKA	other	2.5M	¥383	-6.3%	¥140M ($904K)
2024-02-28	SELL	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.5M	¥309	-16.2%	¥23M ($150K)
2024-02-28	SELL	unknown	児玉康孝 KODAMA YASUTAKA	other	2.0M	¥309	-16.2%	¥214K ($1K)
2023-12-11	BUY	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥387	-7.2%	¥601M ($3.9M)
2023-12-11	BUY	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥387	-7.2%	¥601M ($3.9M)
2023-12-11	BUY	unknown	児玉康孝 KODAMA YASUTAKA	other	2.0M	¥387	-7.2%	¥757M ($4.9M)
2023-12-11	BUY	unknown	児玉康孝 KODAMA YASUTAKA	other	2.0M	¥387	-7.2%	¥757M ($4.9M)
2023-10-12	SELL	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥269	-33.5%	¥372K ($2K)
2023-10-12	SELL	unknown	児玉康孝 KODAMA YASUTAKA	other	2.0M	¥269	-33.5%	¥372K ($2K)
2023-01-26	SELL	Market Buy	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥253	-41.9%	¥350K ($2K)
2023-01-26	BUY	Market Buy	児玉康孝 KODAMA YASUTAKA	other	2.0M	¥253	+41.9%	¥7M ($46K)
2022-06-27	BUY	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥299	+20.1%	¥465M ($3.0M)
2022-06-27	BUY	unknown	児玉康孝 KODAMA YASUTAKA	other	1.9M	¥299	+20.1%	¥576M ($3.7M)
2022-02-21	SELL	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥322	-11.5%	¥890K ($6K)
2022-02-21	SELL	unknown	児玉康孝 KODAMA YASUTAKA	other	1.9M	¥322	-11.5%	¥1M ($7K)
2021-05-11	BUY	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥639	-43.8%	¥993M ($6.4M)
2021-05-11	BUY	unknown	児玉康孝 KODAMA YASUTAKA	other	1.9M	¥639	-43.8%	¥1.2B ($7.9M)
2021-03-30	BUY	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥669	-46.3%	¥1.0B ($6.7M)
2021-03-30	SELL	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥669	+46.3%	¥2M ($12K)
2021-03-30	SELL	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥669	+46.3%	¥7M ($45K)
2021-03-30	SELL	unknown	株式会社KDM KDM Co., Ltd.	strategic	1.6M	¥669	+46.3%	¥56M ($360K)
2021-03-30	SELL	unknown	児玉康孝 KODAMA YASUTAKA	other	1.9M	¥669	+46.3%	¥70M ($449K)
2021-03-30	SELL	unknown	児玉康孝 KODAMA YASUTAKA	other	1.9M	¥669	+46.3%	¥9M ($56K)
2021-03-30	SELL	unknown	児玉康孝 KODAMA YASUTAKA	other	1.9M	¥669	+46.3%	¥2M ($15K)
2021-03-30	BUY	unknown	児玉康孝 KODAMA YASUTAKA	other	1.9M	¥669	-46.3%	¥1.3B ($8.3M)

Frequently asked questions

Who has been buying Washhouse Co.,Ltd. stock?: 3 distinct investors have filed 3 disclosed large-shareholding filings in Washhouse Co.,Ltd. (6537), most recently on 2025-04-04. 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 Washhouse Co.,Ltd. have?: Washhouse Co.,Ltd. has 3 buy-side and 13 sell-side disclosures on record, covering ¥454M ($2.9M) in total reported value, spanning 2021-03-30 to 2025-04-04.
Where does StockDrifts get Washhouse Co.,Ltd. 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 Washhouse Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.