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

13 distinct investors have filed 23 disclosed large-shareholding filings in Matsuya Co., Ltd. (8237), most recently on 2026-04-22. 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 Matsuya Co., Ltd. have?

Matsuya Co., Ltd. has 23 buy-side and 27 sell-side disclosures on record, covering ¥17.1B ($110.6M) in total reported value, spanning 2021-03-22 to 2026-04-22.

Where does StockDrifts get Matsuya 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.

Matsuya Co., Ltd. 8237

Company

株式会社松屋Matsuya Co., Ltd.

Investors

Buys

Total Value

¥17.1B ($110.6M)

Avg Return

+66.09%

Last Filing

2026-04-22

Matsuya Co., Ltd. (8237) has 23 disclosed large-shareholding filings and 27 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥17.1B ($110.6M) in reported transaction value. The earliest filing StockDrifts holds for Matsuya Co., Ltd. is dated 2021-03-22; the most recent is 2026-04-22. 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 +66.09%, 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
2026-04-22	SELL	unknown	野村アセットマネジメント株式会社	other	1.2M	¥1,795	+21.6%	¥19M ($123K)
2026-04-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	829.6K	¥1,795	+21.6%	¥737M ($4.8M)
2026-04-22	SELL	unknown	野村證券株式会社	other	5.3K	¥1,795	+21.6%	¥344M ($2.2M)
2026-04-07	SELL	unknown	野村證券株式会社	other	196.9K	¥2,055	+19.4%	¥2.6B ($16.8M)
2026-04-07	BUY	unknown	野村アセットマネジメント株式会社	other	1.2M	¥2,055	-19.4%	¥22M ($141K)
2026-04-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.2M	¥2,055	-19.4%	¥2.4B ($15.3M)
2026-03-30	BUY	negotiated	三菱UFJニコス株式会社	strategic	100.0K	¥1,833	-6.7%	¥183M ($1.2M)
2026-03-30	SELL	negotiated	三菱UFJ信託銀行株式会社	passive	1.6M	¥1,833	+6.7%	¥195M ($1.3M)
2026-03-30	BUY	negotiated	株式会社三菱UFJ銀行	strategic	2.5M	¥1,833	-6.7%	¥4.6B ($29.4M)
2026-03-30	SELL	negotiated	三菱UFJアセットマネジメント株式会社	passive	266.6K	¥1,833	+6.7%	¥147M ($945K)
2026-03-23	BUY	unknown	野村アセットマネジメント株式会社	other	1.2M	¥1,925	-1.6%	¥2.3B ($15.1M)
2026-03-23	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	85.3K	¥1,925	-1.6%	¥162M ($1.0M)
2026-03-23	BUY	unknown	野村證券株式会社	other	1.5M	¥1,925	-1.6%	¥2.8B ($17.9M)
2025-11-10	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	737.5K	¥1,808	+4.8%	¥67M ($435K)
2025-11-10	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	35.3K	¥1,808	-4.8%	¥963M ($6.2M)
2025-11-10	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.0M	¥1,808	+4.8%	¥3.6B ($23.1M)
2025-09-22	SELL	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	699.3K	¥1,501	-26.2%	¥16M ($103K)
2025-09-22	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	571.4K	¥1,501	+26.2%	¥858M ($5.5M)
2025-09-22	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.0M	¥1,501	+26.2%	¥3.0B ($19.2M)
2025-08-05	BUY	negotiated	三菱UFJニコス株式会社 Mitsubishi UFJ Nicos Co., Ltd.	strategic	100.0K	¥1,153	+64.3%	¥115M ($744K)
2025-08-05	SELL	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	346.4K	¥1,153	-64.3%	¥104M ($674K)
2025-08-05	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.7M	¥1,153	-64.3%	¥535M ($3.4M)
2025-08-05	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	activist	2.5M	¥1,153	+64.3%	¥2.9B ($18.5M)
2025-07-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	707.6K	¥1,036	+82.8%	¥733M ($4.7M)
2025-07-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.0M	¥1,036	+82.8%	¥2.1B ($13.3M)
2025-06-18	BUY	negotiated	三菱UFJニコス株式会社 Mitsubishi UFJ Nicos Co., Ltd.	strategic	100.0K	¥1,025	+84.8%	¥103M ($661K)
2025-06-18	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	31.9K	¥1,025	+84.8%	¥3.2B ($20.4M)
2025-06-18	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	435.7K	¥1,025	+84.8%	¥66M ($423K)
2025-06-18	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	2.2M	¥1,025	-84.8%	¥645M ($4.2M)
2025-06-18	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	activist	2.5M	¥1,025	+84.8%	¥2.5B ($16.4M)
2025-04-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	670.7K	¥900	+110.4%	¥604M ($3.9M)
2025-04-22	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	32.6K	¥900	-110.4%	¥480M ($3.1M)
2025-04-22	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.0M	¥900	+110.4%	¥1.8B ($11.5M)
2025-04-07	SELL	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	673.2K	¥935	-102.6%	¥169M ($1.1M)
2025-04-07	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	566.1K	¥935	+102.6%	¥443M ($2.9M)
2025-04-07	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.0M	¥935	+102.6%	¥1.9B ($12.0M)
2024-07-23	BUY	negotiated	三菱UFJニコス株式会社 Mitsubishi UFJ Nicos Co., Ltd.	strategic	100.0K	¥1,196	+58.4%	¥120M ($772K)
2024-07-23	SELL	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	104.9K	¥1,196	-58.4%	¥83M ($535K)
2024-07-23	SELL	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	370.9K	¥1,196	-58.4%	¥89M ($576K)
2024-07-23	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	2.8M	¥1,196	+58.4%	¥274M ($1.8M)
2024-07-23	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	activist	2.5M	¥1,196	+58.4%	¥3.0B ($19.2M)
2024-04-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	855.1K	¥923	-105.2%	¥5M ($32K)
2024-04-22	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	89.2K	¥923	-105.2%	¥487M ($3.1M)
2024-04-22	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.0M	¥923	+105.2%	¥1.8B ($11.8M)
2024-03-25	BUY	negotiated	三菱UFJニコス株式会社 Mitsubishi UFJ Nicos Co., Ltd.	strategic	100.0K	¥1,040	+82.1%	¥104M ($671K)
2024-03-25	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	176.8K	¥1,040	+82.1%	¥11M ($72K)
2024-03-25	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	2.6M	¥1,040	+82.1%	¥333M ($2.1M)
2024-03-25	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	859.7K	¥1,040	+82.1%	¥39M ($250K)
2024-03-25	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.0M	¥1,040	+82.1%	¥2.1B ($13.3M)
2024-03-25	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	448.3K	¥1,040	+82.1%	¥222M ($1.4M)

Showing the 50 most recent of 72 filings.

Frequently asked questions

Who has been buying Matsuya Co., Ltd. stock?: 13 distinct investors have filed 23 disclosed large-shareholding filings in Matsuya Co., Ltd. (8237), most recently on 2026-04-22. 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 Matsuya Co., Ltd. have?: Matsuya Co., Ltd. has 23 buy-side and 27 sell-side disclosures on record, covering ¥17.1B ($110.6M) in total reported value, spanning 2021-03-22 to 2026-04-22.
Where does StockDrifts get Matsuya 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 Matsuya Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.