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

5 distinct investors have filed 16 disclosed large-shareholding filings in Aichi Financial Group, Inc. (7389), most recently on 2026-05-13. 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 Aichi Financial Group, Inc. have?

Aichi Financial Group, Inc. has 16 buy-side and 4 sell-side disclosures on record, covering ¥5.2B ($33.4M) in total reported value, spanning 2022-10-11 to 2026-05-13.

Where does StockDrifts get Aichi 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.

Aichi Financial Group, Inc. 7389

Company

株式会社あいちフィナンシャルグループAichi Financial Group, Inc.

Investors

Buys

Total Value

¥5.2B ($33.4M)

Avg Return

+181.12%

Last Filing

2026-05-13

Aichi Financial Group, Inc. (7389) has 16 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥5.2B ($33.4M) in reported transaction value. The earliest filing StockDrifts holds for Aichi Financial Group, Inc. is dated 2022-10-11; the most recent is 2026-05-13. 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 +181.12%, 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
2026-05-13	BUY	Market Buy	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	26.9M	¥1,529	-12.0%	¥1.7B ($10.7M)
2026-04-20	BUY	Market Buy	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	25.8M	¥1,600	-2.8%	¥4.4B ($28.1M)
2026-03-16	BUY	Market Buy	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	4.6M	¥1,206	+32.7%	¥604M ($3.9M)
2026-01-15	BUY	Market Buy	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	4.1M	¥1,094	+46.3%	¥575M ($3.7M)
2025-11-10	BUY	Market Buy	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	3.6M	¥825	+93.9%	¥446M ($2.9M)
2025-10-20	BUY	Market Buy	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	3.0M	¥760	+110.5%	¥422M ($2.7M)
2025-10-20	BUY	Market Buy	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	3.0M	¥760	+110.5%	¥422M ($2.7M)
2025-10-07	BUY	Market Buy	ありあけキャピタル株式会社 Ariake Capital Inc.	activist	2.5M	¥705	+127.0%	¥1.8B ($11.3M)
2024-11-07	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	549.2K	¥478	-234.7%	¥21M ($136K)
2024-11-07	SELL	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	1.5M	¥478	-234.7%	¥228M ($1.5M)
2024-09-05	BUY	Market Buy	ミソノサービス株式会社 Misono Service Co., Ltd.	passive	4.0M	¥481.4	+232.4%	¥270M ($1.7M)
2024-09-05	BUY	Market Buy	リーシングパートナーズ株式会社 Leasing Partners Co., Ltd.	passive	40.0K	¥481.4	+232.4%	¥1.8B ($11.9M)
2024-08-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	592.2K	¥472.2	+238.8%	¥88M ($569K)
2024-08-06	SELL	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	1.9M	¥472.2	-238.8%	¥278M ($1.8M)
2023-12-15	BUY	Market Buy	ミソノサービス株式会社 Misono Service Co., Ltd.	passive	3.4M	¥463.6	+245.1%	¥280M ($1.8M)
2023-12-15	SELL	Market Buy	リーシングパートナーズ株式会社 Leasing Partners Co., Ltd.	passive	90.0K	¥463.6	-245.1%	¥39M ($250K)
2023-04-20	BUY	Market Buy	リーシングパートナーズ株式会社 Leasing Partners Co., Ltd.	passive	173.0K	¥435.4	+267.5%	¥75M ($486K)
2023-04-20	BUY	Market Buy	リーシングパートナーズ株式会社 Leasing Partners Co., Ltd.	passive	173.0K	¥435.4	+267.5%	¥75M ($486K)
2023-04-20	BUY	Market Buy	ミソノサービス株式会社 Misono Service Co., Ltd.	passive	2.8M	¥435.4	+267.5%	¥143M ($924K)
2023-04-20	BUY	Market Buy	ミソノサービス株式会社 Misono Service Co., Ltd.	passive	2.8M	¥435.4	+267.5%	¥143M ($925K)
2022-10-20	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	408.0K	¥376	+325.5%	¥153M ($990K)
2022-10-20	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	2.5M	¥376	+325.5%	¥947M ($6.1M)
2022-10-11	BUY	Market Buy	ミソノサービス株式会社 Misono Service Co., Ltd.	passive	2.5M	¥352.6	+353.8%	¥868M ($5.6M)

Frequently asked questions

Who has been buying Aichi Financial Group, Inc. stock?: 5 distinct investors have filed 16 disclosed large-shareholding filings in Aichi Financial Group, Inc. (7389), most recently on 2026-05-13. 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 Aichi Financial Group, Inc. have?: Aichi Financial Group, Inc. has 16 buy-side and 4 sell-side disclosures on record, covering ¥5.2B ($33.4M) in total reported value, spanning 2022-10-11 to 2026-05-13.
Where does StockDrifts get Aichi 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 Aichi Financial Group, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.