Who has been buying Aizawa Securities Group Co.,Ltd. stock?

9 distinct investors have filed 11 disclosed large-shareholding filings in Aizawa Securities Group Co.,Ltd. (8708), most recently on 2025-08-15. 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 Aizawa Securities Group Co.,Ltd. have?

Aizawa Securities Group Co.,Ltd. has 11 buy-side and 9 sell-side disclosures on record, covering ¥3.0B ($19.5M) in total reported value, spanning 2022-02-16 to 2025-08-15.

Where does StockDrifts get Aizawa Securities Group 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.

Aizawa Securities Group Co.,Ltd. 8708

Company

アイザワ証券株式会社Aizawa Securities Group Co.,Ltd.

Investors

Buys

Total Value

¥3.0B ($19.5M)

Avg Return

+57.41%

Last Filing

2025-08-15

Aizawa Securities Group Co.,Ltd. (8708) has 11 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥3.0B ($19.5M) in reported transaction value. The earliest filing StockDrifts holds for Aizawa Securities Group Co.,Ltd. is dated 2022-02-16; the most recent is 2025-08-15. 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 +57.41%, 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
2025-08-15	BUY	Market Buy	藍澤不動産株式会社 Aizawa Real Estate Co., Ltd.	activist	5.0M	¥1,391	+16.5%	¥1.4B ($9.1M)
2025-08-15	BUY	unknown	藍澤不動産株式会社 Aizawa Real Estate Co., Ltd.	activist	5.0M	¥1,391	+16.5%	¥1.4B ($9.1M)
2025-08-15	BUY	Market Buy	藍澤卓弥 Takuya Aizawa	activist	1.4M	¥1,391	+16.5%	¥396M ($2.6M)
2025-08-15	BUY	unknown	藍澤卓弥 Takuya Aizawa	activist	1.4M	¥1,391	+16.5%	¥396M ($2.6M)
2024-09-20	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	418.5K	¥1,811	+10.5%	¥69M ($444K)
2024-09-20	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	658.6K	¥1,811	+10.5%	¥456M ($2.9M)
2024-09-20	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	814.4K	¥1,811	+10.5%	¥370M ($2.4M)
2024-05-13	SELL	unknown	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	0	¥1,746	+7.2%	¥9.4B ($60.8M)
2024-05-13	SELL	unknown	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	0	¥1,746	+7.2%	¥24.9B ($160.6M)
2024-05-13	SELL	unknown	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	0	¥1,746	+7.2%	¥60.6B ($390.8M)
2024-02-08	BUY	unknown	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	5.4M	¥1,198	+35.3%	¥6M ($37K)
2024-02-08	BUY	unknown	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	144.2K	¥1,198	+35.3%	¥173M ($1.1M)
2024-02-08	BUY	unknown	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	347.2K	¥1,198	+35.3%	¥416M ($2.7M)
2024-01-11	BUY	unknown	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	144.2K	¥1,334	+21.5%	¥192M ($1.2M)
2024-01-11	BUY	unknown	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	5.4M	¥1,334	+21.5%	¥7.2B ($46.4M)
2024-01-11	SELL	unknown	ダルトン・インベストメンツ・エルエルシー Dalton Investments LLC	activist	0	¥1,334	-21.5%	¥6.9B ($44.7M)
2024-01-11	BUY	unknown	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	347.2K	¥1,334	+21.5%	¥463M ($3.0M)
2023-10-04	BUY	Market Buy	ダルトン・インベストメンツ・エルエルシー Dalton Investments LLC	activist	5.2M	¥984	+64.7%	¥365M ($2.4M)
2023-10-04	SELL	Market Buy	マイケル・ワン・サウザンド・ナイン・ハンドレッド・トゥエンティ・ファイブ・エルエルシー(2023年10月1日付で名称を「エヌエーブイエフ・セレクト・エルエルシー」に変更) Michael 1925 LLC	activist	144.2K	¥984	-64.7%	¥2.7B ($17.2M)
2023-10-04	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	347.2K	¥984	+64.7%	¥80M ($513K)
2023-04-12	BUY	unknown	ダルトン・インベストメンツ・エルエルシー Dalton Investments LLC	activist	4.8M	¥703	+130.6%	¥137M ($884K)
2023-04-12	BUY	unknown	マイケル・ワン・サウザンド・ナイン・ハンドレッド・トゥエンティ・ファイブ・エルエルシー Michael 1925 LLC	activist	29.5K	¥703	+130.6%	¥21M ($134K)
2023-04-12	BUY	unknown	ダルトン・インベストメンツ・エルエルシー Dalton Investments LLC	activist	4.8M	¥703	+130.6%	¥137M ($884K)
2023-04-12	BUY	unknown	マイケル・ワン・サウザンド・ナイン・ハンドレッド・トゥエンティ・ファイブ・エルエルシー Michael 1925 LLC	activist	29.5K	¥703	+130.6%	¥21M ($134K)
2023-04-12	BUY	unknown	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	264.6K	¥703	+130.6%	¥186M ($1.2M)
2023-04-12	BUY	unknown	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	264.6K	¥703	+130.6%	¥186M ($1.2M)
2022-04-08	SELL	negotiated	ダルトン・インベストメンツ・エルエルシー(Dalton Investments LLC) Dalton Investments LLC	activist	4.6M	¥703	-130.6%	¥344M ($2.2M)
2022-02-16	BUY	Market Buy	藍澤不動産株式会社 Aizawa Real Estate Co., Ltd.	activist	4.8M	¥955	+69.7%	¥576M ($3.7M)
2022-02-16	BUY	Market Buy	藍澤卓弥 Takuya Aizawa	activist	1.4M	¥955	+69.7%	¥517M ($3.3M)

Frequently asked questions

Who has been buying Aizawa Securities Group Co.,Ltd. stock?: 9 distinct investors have filed 11 disclosed large-shareholding filings in Aizawa Securities Group Co.,Ltd. (8708), most recently on 2025-08-15. 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 Aizawa Securities Group Co.,Ltd. have?: Aizawa Securities Group Co.,Ltd. has 11 buy-side and 9 sell-side disclosures on record, covering ¥3.0B ($19.5M) in total reported value, spanning 2022-02-16 to 2025-08-15.
Where does StockDrifts get Aizawa Securities Group 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 Aizawa Securities Group Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.