Who has been buying Tomoe Corporation stock?

11 distinct investors have filed 9 disclosed large-shareholding filings in Tomoe Corporation (1921), most recently on 2026-03-23. 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 Tomoe Corporation have?

Tomoe Corporation has 9 buy-side and 13 sell-side disclosures on record, covering ¥10.0B ($64.6M) in total reported value, spanning 2022-11-08 to 2026-03-23.

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.

Tomoe Corporation 1921

Company

株式会社巴コーポレーションTomoe Corporation

Investors

Buys

Total Value

¥10.0B ($64.6M)

Avg Return

+76.55%

Last Filing

2026-03-23

Tomoe Corporation (1921) has 9 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥10.0B ($64.6M) in reported transaction value. The earliest filing StockDrifts holds for Tomoe Corporation is dated 2022-11-08; the most recent is 2026-03-23. Across these filings the average return since disclosure is +76.55%, 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
2026-07-08	BUY	Market Buy	Be Brave株式会社代表取締役泉田和人 Be Brave Inc.	activist	3.2M	¥1,681	+18.4%	¥568M ($3.7M)
2026-06-08	BUY	Market Buy	Be Brave株式会社代表取締役泉田和人 Be Brave Inc.	activist	2.8M	¥1,790	+11.2%	¥617M ($4.0M)
2026-03-23	BUY	Market Buy	株式会社三井住友銀行	other	1.8M	¥1,982	+0.4%	¥335M ($2.2M)
2026-03-23	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.8M	¥1,982	+0.4%	¥3.5B ($22.5M)
2026-03-23	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	545.0K	¥1,982	+0.4%	¥355M ($2.3M)
2026-03-16	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.8M	¥2,027	-1.8%	¥3.6B ($23.0M)
2026-03-13	BUY	Market Buy	Be Brave株式会社代表取締役泉田和人 Be Brave Inc.	activist	2.5M	¥2,033	-2.1%	¥1.5B ($9.8M)
2025-11-18	BUY	Market Buy	Be Brave株式会社代表取締役泉田和人 Be Brave Inc.	activist	2.1M	¥2,023	-1.6%	¥4.2B ($27.3M)
2025-11-18	BUY	Market Buy	Be Brave株式会社代表取締役泉田和人 Be Brave Inc.	activist	2.1M	¥2,023	-	¥4.2B ($27.3M)
2025-03-31	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.8M	¥1,195	-66.5%	¥205M ($1.3M)
2025-03-31	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	unknown	0	¥1,195	-66.5%	¥161M ($1.0M)
2025-03-31	SELL	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	unknown	0	¥1,195	-66.5%	¥54M ($346K)
2025-03-31	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	70	¥1,195	-66.5%	¥93M ($597K)
2025-03-24	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	441.1K	¥1,176	-	¥519M ($3.3M)
2025-03-24	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.8M	¥1,176	-69.2%	¥158M ($1.0M)
2025-03-24	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	unknown	0	¥1,176	-69.2%	¥360M ($2.3M)
2025-03-24	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.0M	¥1,176	-	-
2025-02-21	SELL	unknown	ブラッククローバーリミテッド(Black Clover Limited) Black Clover Limited	activist	608.6K	¥1,159	-71.7%	¥2.8B ($18.3M)
2024-07-29	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.9M	¥862	-	-
2024-07-29	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	134.0K	¥862	-130.9%	¥81M ($521K)
2024-07-29	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	42.9K	¥862	-130.9%	¥39M ($249K)
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	76.6K	¥862	-	¥66M ($426K)
2024-06-04	BUY	Market Buy	ブラッククローバーリミテッド(Black Clover Limited) Black Clover Limited	activist	3.1M	¥806	+146.9%	¥345M ($2.2M)
2024-01-31	BUY	unknown	ブラッククローバーリミテッド(Black Clover Limited) Black Clover Limited	activist	2.6M	¥572	-	¥1.5B ($9.7M)
2024-01-31	BUY	unknown	ブラッククローバーリミテッド(Black Clover Limited) Black Clover Limited	activist	2.6M	¥572	+247.9%	¥1.5B ($9.7M)
2023-08-21	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.9M	¥521	-	-
2023-08-21	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	227.4K	¥521	-282.0%	¥178M ($1.2M)
2023-08-21	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	88.0K	¥521	+282.0%	¥2M ($14K)
2023-08-21	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	31.1K	¥521	-282.0%	¥19M ($123K)
2023-06-09	BUY	unknown	株式会社泉興産 Izumikosan Co., Ltd.	other	969.6K	¥448	-	¥575M ($3.7M)
2023-06-09	SELL	unknown	株式会社泉興産 Izumikosan Co., Ltd.	other	969.6K	¥448	-344.2%	¥575M ($3.7M)
2022-11-08	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.9M	¥356	-	-
2022-11-08	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	307.6K	¥356	-459.0%	¥183M ($1.2M)

Frequently asked questions

Who has been buying Tomoe Corporation stock?: 11 distinct investors have filed 9 disclosed large-shareholding filings in Tomoe Corporation (1921), most recently on 2026-03-23. 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 Tomoe Corporation have?: Tomoe Corporation has 9 buy-side and 13 sell-side disclosures on record, covering ¥10.0B ($64.6M) in total reported value, spanning 2022-11-08 to 2026-03-23.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.