Who has been buying Daido Metal Co., Ltd. stock?

14 distinct investors have filed 9 disclosed large-shareholding filings in Daido Metal Co., Ltd. (7245), most recently on 2026-05-12. 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 Daido Metal Co., Ltd. have?

Daido Metal Co., Ltd. has 9 buy-side and 17 sell-side disclosures on record, covering ¥1.3B ($8.1M) in total reported value, spanning 2022-10-21 to 2026-05-12.

Where does StockDrifts get Daido Metal 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.

Daido Metal Co., Ltd. 7245

Company

大同メタル工業株式会社Daido Metal Co., Ltd.

Investors

Buys

Total Value

¥1.3B ($8.1M)

Avg Return

+32.84%

Last Filing

2026-05-12

Daido Metal Co., Ltd. (7245) has 9 disclosed large-shareholding filings and 17 disclosed disposals on record, filed by 14 distinct investors. Together those filings cover ¥1.3B ($8.1M) in reported transaction value. The earliest filing StockDrifts holds for Daido Metal Co., Ltd. is dated 2022-10-21; the most recent is 2026-05-12. 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 +32.84%, 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
2026-08-07	BUY	unknown	株式会社三井住友銀行	other	200.0K	¥1,330	+2.6%	¥266M ($1.7M)
2026-08-07	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	2.8M	¥1,330	+2.6%	¥771M ($5.0M)
2026-07-23	SELL	unknown	野村アセットマネジメント株式会社	other	1.8M	¥1,330	-2.6%	¥335M ($2.2M)
2026-07-23	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	72.5K	¥1,330	+2.6%	¥96M ($622K)
2026-07-23	SELL	unknown	野村證券株式会社	other	27.0K	¥1,330	-2.6%	¥645M ($4.2M)
2026-07-23	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	2.2M	¥1,330	+2.6%	¥2.9B ($18.9M)
2026-07-23	BUY	unknown	株式会社三井住友銀行	other	200.0K	¥1,330	+2.6%	¥266M ($1.7M)
2026-06-19	SELL	negotiated	三井住友信託銀行株式会社	strategic	840.6K	¥1,491	+13.8%	¥340M ($2.2M)
2026-06-19	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	606.5K	¥1,491	-13.8%	¥7M ($46K)
2026-06-19	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社	other	732.1K	¥1,491	-13.8%	¥1.1B ($7.0M)
2026-05-12	BUY	Market Buy	野村アセットマネジメント株式会社	other	2.0M	¥924	+29.6%	¥18M ($113K)
2026-05-12	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	72.5K	¥924	+29.6%	¥67M ($432K)
2026-05-12	SELL	unknown	野村證券株式会社	other	513.1K	¥924	-29.6%	¥158M ($1.0M)
2026-04-07	BUY	unknown	野村證券株式会社	other	685.0K	¥889	-0.3%	¥609M ($3.9M)
2026-04-07	SELL	unknown	株式会社みずほ銀行	strategic	1.1M	¥889	+0.3%	¥807M ($5.2M)
2026-04-07	SELL	unknown	アセットマネジメントOne株式会社	other	658.7K	¥889	+0.3%	¥42M ($273K)
2026-04-07	BUY	unknown	野村アセットマネジメント株式会社	other	2.0M	¥889	-0.3%	¥1.8B ($11.5M)
2026-04-07	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	72.5K	¥889	-0.3%	¥64M ($416K)
2026-04-06	BUY	negotiated	アモーヴァ・アセットマネジメント株式会社	other	603.5K	¥888	-0.2%	¥536M ($3.5M)
2026-04-06	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社	other	733.3K	¥888	+0.2%	¥4M ($27K)
2026-04-06	SELL	negotiated	三井住友信託銀行株式会社	strategic	1.1M	¥888	+0.2%	¥806M ($5.2M)
2026-03-30	SELL	negotiated	三菱UFJアセットマネジメント株式会社	passive	261.2K	¥873	-0.9%	¥12M ($80K)
2026-03-30	SELL	negotiated	三菱UFJ信託銀行株式会社	passive	555.4K	¥873	-0.9%	¥124M ($803K)
2026-03-30	SELL	negotiated	株式会社三菱UFJ銀行	strategic	985.7K	¥873	-0.9%	¥730M ($4.7M)
2026-03-30	SELL	negotiated	三菱UFJモルガン・スタンレー証券株式会社	other	139.8K	¥873	-0.9%	¥54M ($348K)
2026-03-19	SELL	negotiated	アモーヴァ・アセットマネジメント株式会社	other	602.4K	¥925	+0.1%	¥557M ($3.6M)
2026-03-19	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社	other	734.5K	¥925	+0.1%	¥679M ($4.4M)
2026-03-19	BUY	negotiated	三井住友信託銀行株式会社	strategic	2.0M	¥925	+0.1%	¥1.8B ($11.8M)
2025-09-19	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	2.0M	¥927	-0.3%	¥1.8B ($11.8M)
2025-09-19	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	646.2K	¥927	-0.3%	¥132M ($853K)
2025-09-19	SELL	Market Buy	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	804.0K	¥927	+0.3%	¥110M ($711K)
2024-07-29	SELL	negotiated	三菱UFJ不動産投資顧問株式会社 Mitsubishi UFJ Real Estate Investment Advisors Co., Ltd.	unknown	0	¥589	-56.9%	¥31M ($199K)
2024-07-29	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	199.7K	¥589	+56.9%	¥118M ($759K)
2024-07-29	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	277.5K	¥589	+56.9%	¥81M ($524K)
2024-07-29	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	697.0K	¥589	+56.9%	¥73M ($470K)
2024-07-29	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.8M	¥589	-56.9%	¥62M ($397K)
2023-03-23	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	707.9K	¥503	-83.7%	¥12M ($77K)
2023-03-23	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	10.8K	¥503	+83.7%	¥182M ($1.2M)
2023-03-23	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.0M	¥503	+83.7%	¥994M ($6.4M)
2022-12-22	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.0M	¥481	+92.1%	¥951M ($6.1M)
2022-12-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	731.2K	¥481	-92.1%	¥16M ($103K)
2022-12-22	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	589.4K	¥481	+92.1%	¥247M ($1.6M)
2022-10-21	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	764.3K	¥494	-87.0%	¥54M ($348K)
2022-10-21	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	75.1K	¥494	+87.0%	¥37M ($239K)
2022-10-21	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.0M	¥494	+87.0%	¥977M ($6.3M)

Frequently asked questions

Who has been buying Daido Metal Co., Ltd. stock?: 14 distinct investors have filed 9 disclosed large-shareholding filings in Daido Metal Co., Ltd. (7245), most recently on 2026-05-12. 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 Daido Metal Co., Ltd. have?: Daido Metal Co., Ltd. has 9 buy-side and 17 sell-side disclosures on record, covering ¥1.3B ($8.1M) in total reported value, spanning 2022-10-21 to 2026-05-12.
Where does StockDrifts get Daido Metal 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 Daido Metal Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.