Who has been buying Ichiyoshi Securities Co., Ltd. stock?

5 distinct investors have filed 15 disclosed large-shareholding filings in Ichiyoshi Securities Co., Ltd. (8624), most recently on 2026-04-21. 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 Ichiyoshi Securities Co., Ltd. have?

Ichiyoshi Securities Co., Ltd. has 15 buy-side and 4 sell-side disclosures on record, covering ¥2.2B ($14.2M) in total reported value, spanning 2021-10-06 to 2026-04-21.

Where does StockDrifts get Ichiyoshi Securities 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.

Ichiyoshi Securities Co., Ltd. 8624

Company

いちよし証券株式会社Ichiyoshi Securities Co., Ltd.

Investors

Buys

Total Value

¥2.2B ($14.2M)

Avg Return

+66.85%

Last Filing

2026-04-21

Ichiyoshi Securities Co., Ltd. (8624) has 15 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥2.2B ($14.2M) in reported transaction value. The earliest filing StockDrifts holds for Ichiyoshi Securities Co., Ltd. is dated 2021-10-06; the most recent is 2026-04-21. 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 +66.85%, 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
2026-04-21	BUY	Market Buy	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	6.2M	¥1,504	-14.5%	¥570M ($3.7M)
2026-03-26	BUY	Market Buy	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	5.9M	¥1,487	+1.5%	¥1.0B ($6.6M)
2026-03-02	BUY	Market Buy	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	5.2M	¥1,459	+3.4%	¥576M ($3.7M)
2026-02-05	BUY	Market Buy	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	4.8M	¥1,263	+19.5%	¥493M ($3.2M)
2026-01-29	BUY	Market Buy	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	4.4M	¥1,205	+25.2%	¥480M ($3.1M)
2026-01-09	BUY	Market Buy	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	4.0M	¥1,102	+36.9%	¥439M ($2.8M)
2025-12-19	BUY	Market Buy	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	3.6M	¥1,023	+47.5%	¥392M ($2.5M)
2025-11-18	BUY	Market Buy	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	3.2M	¥896	+68.4%	¥343M ($2.2M)
2025-05-29	BUY	Market Buy	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	2.8M	¥857	+76.1%	¥367M ($2.4M)
2025-05-19	BUY	Market Buy	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	2.4M	¥810	+86.3%	¥344M ($2.2M)
2025-05-08	BUY	unknown	ミリ・キャピタル・マネジメント・エルエルシー (MIRI Capital Management LLC) MIRI Capital Management LLC	activist	2.0M	¥740	+103.9%	¥1.5B ($9.4M)
2023-03-07	SELL	unknown	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	909.7K	¥643	-134.7%	¥52M ($335K)
2023-03-07	SELL	unknown	ウエリントン・マネージメント・インターナショナル・リミテッド Wellington Management International Ltd	other	803.6K	¥643	-134.7%	¥208M ($1.3M)
2022-10-05	BUY	unknown	ウエリントン・マネージメント・インターナショナル・リミテッド Wellington Management International Ltd	other	1.1M	¥602	+150.7%	¥678M ($4.4M)
2022-10-05	BUY	unknown	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	992.4K	¥602	+150.7%	¥597M ($3.9M)
2022-07-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	508.8K	¥643	-134.7%	¥81M ($520K)
2022-07-06	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	1.2M	¥643	-134.7%	¥151M ($973K)
2021-10-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	664.3K	¥675	+123.6%	¥448M ($2.9M)
2021-10-06	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	1.5M	¥675	+123.6%	¥1.0B ($6.7M)

Frequently asked questions

Who has been buying Ichiyoshi Securities Co., Ltd. stock?: 5 distinct investors have filed 15 disclosed large-shareholding filings in Ichiyoshi Securities Co., Ltd. (8624), most recently on 2026-04-21. 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 Ichiyoshi Securities Co., Ltd. have?: Ichiyoshi Securities Co., Ltd. has 15 buy-side and 4 sell-side disclosures on record, covering ¥2.2B ($14.2M) in total reported value, spanning 2021-10-06 to 2026-04-21.
Where does StockDrifts get Ichiyoshi Securities 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 Ichiyoshi Securities Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.