Who has been buying Yokohama Financial Group, Inc. stock?

16 distinct investors have filed 9 disclosed large-shareholding filings in Yokohama Financial Group, Inc. (7186), most recently on 2026-01-09. 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 Yokohama Financial Group, Inc. have?

Yokohama Financial Group, Inc. has 9 buy-side and 16 sell-side disclosures on record, covering ¥92.8B ($599.0M) in total reported value, spanning 2021-06-24 to 2026-01-09.

Where does StockDrifts get Yokohama 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.

Yokohama Financial Group, Inc. 7186

Company

株式会社横浜フィナンシャルグループYokohama Financial Group, Inc.

Investors

Buys

Total Value

¥92.8B ($599.0M)

Avg Return

+122.61%

Last Filing

2026-01-09

Yokohama Financial Group, Inc. (7186) has 9 disclosed large-shareholding filings and 16 disclosed disposals on record, filed by 16 distinct investors. Together those filings cover ¥92.8B ($599.0M) in reported transaction value. The earliest filing StockDrifts holds for Yokohama Financial Group, Inc. is dated 2021-06-24; the most recent is 2026-01-09. 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 +122.61%, 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
2026-01-09	BUY	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	57.7M	¥1,350.5	+10.4%	¥77.9B ($502.7M)
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	31.0M	¥1,115	-33.7%	¥3.8B ($24.7M)
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	28.5M	¥1,115	+33.7%	¥9.6B ($61.8M)
2025-09-19	SELL	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	866.5K	¥1,115	-33.7%	¥433.9B ($2.8B)
2024-04-19	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	51.0M	¥808.5	-84.4%	¥9.4B ($60.9M)
2023-11-01	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	63.3M	¥716	-108.2%	¥8.6B ($55.5M)
2023-10-04	SELL	Market Buy	ブラックロック・インベストメント・マネジメント(ユーケー)リミテッドLimited) BlackRock Investment Management (UK	passive	1.5M	¥656.7	-127.0%	¥3M ($20K)
2023-10-04	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	22.5M	¥656.7	+127.0%	¥43M ($274K)
2023-10-04	BUY	Market Buy	ブラックロック・アセット・マネジメント・アイルランド・リミテッド BlackRock Asset Management Ireland Limited	passive	7.9M	¥656.7	+127.0%	¥24M ($155K)
2023-10-04	BUY	Market Buy	ブラックロック・ライフ・リミテッド BlackRock Life Limited	passive	651.7K	¥656.7	+127.0%	¥446M ($2.9M)
2023-10-04	SELL	Market Buy	ブラックロック(ルクセンブルグ)エス・エーS.A.) BlackRock (Luxembourg	passive	876.1K	¥656.7	-127.0%	¥5M ($30K)
2023-10-04	BUY	Market Buy	ブラックロック・ファンド・マネジャーズ・リミテッド BlackRock Fund Managers Limited	passive	2.8M	¥656.7	+127.0%	¥1.9B ($12.0M)
2023-10-04	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	2.5M	¥656.7	+127.0%	¥1.6B ($10.5M)
2023-10-04	SELL	Market Buy	ブラックロック・インベストメント・マネジメント・エルエルシー BlackRock Investment Management LLC	passive	1.2M	¥656.7	-127.0%	¥2M ($10K)
2023-10-04	BUY	Market Buy	ブラックロック・アドバイザーズ・エルエルシー(BlackRock Advisers BlackRock Advisers, LLC	passive	652.0K	¥656.7	+127.0%	¥449M ($2.9M)
2023-10-04	SELL	Market Buy	ブラックロック・インスティテューショナル・トラスト・カンパニー、エヌ.エイ.(BlackRock Institutional Trust Company BlackRock Institutional Trust Company, N.A.	passive	15.3M	¥656.7	-127.0%	¥5M ($30K)
2023-10-04	BUY	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	23.1M	¥656.7	+127.0%	¥32M ($210K)
2023-06-06	SELL	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	20.5M	¥542.2	-175.0%	¥128M ($824K)
2023-06-06	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	35.3M	¥542.2	-175.0%	¥7.4B ($47.8M)
2023-06-06	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	5.0M	¥542.2	+175.0%	¥64M ($412K)
2023-03-03	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	77.3M	¥587	-154.0%	¥7.2B ($46.3M)
2023-02-14	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	89.5M	¥586	-154.4%	¥7.2B ($46.6M)
2023-01-19	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	101.8M	¥568	-162.5%	¥7.0B ($45.2M)
2023-01-04	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	114.2M	¥565	-163.9%	¥7.9B ($50.7M)
2022-11-30	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	128.1M	¥477	-212.6%	¥6.0B ($38.7M)
2022-06-22	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	140.7M	¥466	-220.0%	¥5.8B ($37.5M)
2021-06-24	BUY	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	153.1M	¥427	+249.2%	¥5.3B ($34.0M)

Frequently asked questions

Who has been buying Yokohama Financial Group, Inc. stock?: 16 distinct investors have filed 9 disclosed large-shareholding filings in Yokohama Financial Group, Inc. (7186), most recently on 2026-01-09. 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 Yokohama Financial Group, Inc. have?: Yokohama Financial Group, Inc. has 9 buy-side and 16 sell-side disclosures on record, covering ¥92.8B ($599.0M) in total reported value, spanning 2021-06-24 to 2026-01-09.
Where does StockDrifts get Yokohama 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 Yokohama Financial Group, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.