Who has been buying Tokyo Kiraboshi Financial Group, Inc. stock?

7 distinct investors have filed 5 disclosed large-shareholding filings in Tokyo Kiraboshi Financial Group, Inc. (7173), 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 Tokyo Kiraboshi Financial Group, Inc. have?

Tokyo Kiraboshi Financial Group, Inc. has 5 buy-side and 7 sell-side disclosures on record, covering ¥40.5B ($261.1M) in total reported value, spanning 2021-06-23 to 2026-05-12.

Where does StockDrifts get Tokyo Kiraboshi Financial Group, Inc. 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.

Tokyo Kiraboshi Financial Group, Inc. 7173

Company

株式会社東京きらぼしフィナンシャルグループTokyo Kiraboshi Financial Group, Inc.

Investors

Buys

Total Value

¥40.5B ($261.1M)

Avg Return

+297.32%

Last Filing

2026-05-12

Tokyo Kiraboshi Financial Group, Inc. (7173) has 5 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥40.5B ($261.1M) in reported transaction value. The earliest filing StockDrifts holds for Tokyo Kiraboshi Financial Group, Inc. is dated 2021-06-23; 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 +297.32%, 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
2026-07-28	BUY	Market Buy	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	23.1M	¥1,764	+0.9%	¥5.7B ($36.5M)
2026-07-07	BUY	unknown	フィデリティインベストメンツカナダユーエルシー Fidelity Investments Canada ULC	other	1.7M	¥1,800	-3.1%	¥3.0B ($19.5M)
2026-07-07	BUY	Market Buy	フィデリティ投信株式会社	other	18.4M	¥1,800	-3.1%	¥9.0B ($57.8M)
2026-07-06	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	4.6M	¥1,780	-2.0%	¥721M ($4.6M)
2026-07-06	BUY	Market Buy	三井住友トラスト・アセットマネジメント株式会社	other	4.9M	¥1,780	-2.0%	¥824M ($5.3M)
2026-07-06	SELL	negotiated	三井住友信託銀行株式会社	strategic	11.7M	¥1,780	+2.0%	¥11.7B ($75.7M)
2026-07-01	BUY	Market Buy	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	2.5M	¥1,760	-3.2%	¥1.0B ($6.6M)
2026-06-24	BUY	acquisition	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	1.9M	¥1,666.25	-1.6%	¥3.2B ($20.4M)
2026-06-05	BUY	unknown	フィデリティインベストメンツカナダユーエルシー Fidelity Investments Canada ULC	other	210.0K	¥1,466.25	+22.6%	¥308M ($2.0M)
2026-06-05	BUY	unknown	フィデリティ投信株式会社	other	1.7M	¥1,466.25	+22.6%	¥2.5B ($15.9M)
2026-06-04	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	526.5K	¥1,507.5	+19.3%	¥49M ($316K)
2026-06-04	BUY	Market Buy	三井住友トラスト・アセットマネジメント株式会社	other	552.8K	¥1,507.5	+19.3%	¥49M ($316K)
2026-06-04	BUY	Market Buy	三井住友信託銀行株式会社	strategic	2.3M	¥1,507.5	+19.3%	¥185M ($1.2M)
2026-05-26	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	521.7K	¥11,480	+8.9%	¥891M ($5.7M)
2026-05-26	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	547.8K	¥11,480	+8.9%	¥6.3B ($40.6M)
2026-05-26	SELL	negotiated	三井住友信託銀行株式会社	strategic	2.3M	¥11,480	-8.9%	¥61.2B ($394.6M)
2026-05-12	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	442.5K	¥9,980	-17.5%	¥600M ($3.9M)
2026-05-12	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社	other	549.5K	¥9,980	-17.5%	¥1.7B ($10.8M)
2026-05-12	BUY	Market Buy	三井住友信託銀行株式会社	strategic	7.8M	¥9,980	+17.5%	¥37.7B ($243.4M)
2025-09-05	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	446.9K	¥7,150	+65.6%	¥430M ($2.8M)
2025-09-05	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	649.1K	¥7,150	-65.6%	¥358M ($2.3M)
2025-09-05	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	3.0M	¥7,150	+65.6%	¥21.7B ($140.3M)
2024-05-08	SELL	negotiated	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	699.1K	¥4,340	-172.8%	¥1.5B ($9.6M)
2024-05-08	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	387.5K	¥4,340	+172.8%	¥130M ($842K)
2024-05-08	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	3.0M	¥4,340	+172.8%	¥13.2B ($85.1M)
2022-05-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	919.1K	¥1,864	+535.2%	¥1.7B ($10.9M)
2022-05-20	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	55.2K	¥1,864	+535.2%	¥103M ($664K)
2022-05-20	BUY	unknown	野村ホールディングス株式会社 Nomura Holdings, Inc.	strategic	100	¥1,864	+535.2%	¥186K ($1K)
2022-05-20	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	242.9K	¥1,864	-535.2%	¥37M ($241K)
2022-02-10	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	358.9K	¥1,924	+515.4%	¥691M ($4.5M)
2022-02-10	SELL	negotiated	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	1.0M	¥1,924	-515.4%	¥649M ($4.2M)
2022-02-10	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	3.0M	¥1,924	+515.4%	¥5.9B ($37.7M)
2021-06-23	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	356.5K	¥1,467	-707.1%	¥5M ($32K)
2021-06-23	BUY	unknown	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	1.4M	¥1,467	+707.1%	¥495M ($3.2M)
2021-06-23	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	3.0M	¥1,467	+707.1%	¥4.5B ($28.8M)

Frequently asked questions

Who has been buying Tokyo Kiraboshi Financial Group, Inc. stock?: 7 distinct investors have filed 5 disclosed large-shareholding filings in Tokyo Kiraboshi Financial Group, Inc. (7173), 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 Tokyo Kiraboshi Financial Group, Inc. have?: Tokyo Kiraboshi Financial Group, Inc. has 5 buy-side and 7 sell-side disclosures on record, covering ¥40.5B ($261.1M) in total reported value, spanning 2021-06-23 to 2026-05-12.
Where does StockDrifts get Tokyo Kiraboshi Financial Group, Inc. 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 Tokyo Kiraboshi Financial Group, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.