Who has been buying Daiichikosho Co., Ltd. stock?

9 distinct investors have filed 21 disclosed large-shareholding filings in Daiichikosho Co., Ltd. (7458), most recently on 2025-09-03. 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 Daiichikosho Co., Ltd. have?

Daiichikosho Co., Ltd. has 21 buy-side and 9 sell-side disclosures on record, covering ¥29.7B ($191.8M) in total reported value, spanning 2021-06-04 to 2025-09-03.

Where does StockDrifts get Daiichikosho 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.

Daiichikosho Co., Ltd. 7458

Company

株式会社第一興商Daiichikosho Co., Ltd.

Investors

Buys

Total Value

¥29.7B ($191.8M)

Avg Return

-4.68%

Last Filing

2025-09-03

Daiichikosho Co., Ltd. (7458) has 21 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥29.7B ($191.8M) in reported transaction value. The earliest filing StockDrifts holds for Daiichikosho Co., Ltd. is dated 2021-06-04; the most recent is 2025-09-03. 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 -4.68%, 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
2025-09-03	BUY	Market Buy	保志治紀 Haruki Hoshi	activist	13.4M	¥1,703.5	+1.0%	¥3.8B ($24.8M)
2025-09-03	BUY	Market Buy	保志忠郊 Hoshizhizuka	activist	12.7M	¥1,703.5	+1.0%	¥2.2B ($14.2M)
2025-09-03	SELL	Market Buy	保志紀 Hoshiki	activist	0	¥1,703.5	-1.0%	¥1.6B ($10.5M)
2025-09-03	BUY	Market Buy	株式会社ホシ・クリエート Hoshi Create Co., Ltd.	activist	4.9M	¥1,703.5	+1.0%	¥762M ($4.9M)
2025-09-02	BUY	Market Buy	保志治紀 Haruki Hoshi	activist	6.1M	¥1,724	-0.2%	¥10.6B ($68.1M)
2025-09-02	BUY	Market Buy	保志忠郊 Hoshizhizuka	activist	6.3M	¥1,724	-0.2%	¥20M ($127K)
2025-09-02	BUY	Market Buy	保志紀 Hoshiki	activist	971.9K	¥1,724	-0.2%	¥770M ($5.0M)
2025-09-02	SELL	Market Buy	保志忠彦(2019年6月7日死亡) Tadahiko Hoshi (died June 7, 2019)	activist	0	¥1,724	+0.2%	¥770M ($5.0M)
2025-09-02	BUY	negotiated	保志治紀 Haruki Hoshi	activist	6.1M	¥1,724	-0.2%	¥10.6B ($68.1M)
2025-09-02	BUY	negotiated	保志忠郊 Hoshizhizuka	activist	6.3M	¥1,724	-0.2%	¥20M ($127K)
2025-09-02	BUY	negotiated	保志紀 Hoshiki	activist	971.9K	¥1,724	-0.2%	¥770M ($5.0M)
2025-09-02	SELL	negotiated	保志忠彦(2019年6月7日死亡) Tadahiko Hoshi (died June 7, 2019)	activist	0	¥1,724	+0.2%	¥770M ($5.0M)
2025-09-02	BUY	Market Buy	保志治紀 Haruki Hoshi	activist	13.4M	¥1,724	-0.2%	¥3.9B ($25.1M)
2025-09-02	BUY	Market Buy	保志忠郊 Hoshizhizuka	activist	12.7M	¥1,724	-0.2%	¥2.2B ($14.1M)
2025-09-02	SELL	Market Buy	保志紀 Hoshiki	activist	0	¥1,724	+0.2%	¥3.0B ($19.7M)
2025-09-02	BUY	negotiated	保志治紀 Haruki Hoshi	activist	13.4M	¥1,724	-0.2%	¥3.9B ($25.1M)
2025-09-02	BUY	negotiated	保志忠郊 Hoshizhizuka	activist	12.7M	¥1,724	-0.2%	¥2.2B ($14.1M)
2025-09-02	SELL	negotiated	保志紀 Hoshiki	activist	0	¥1,724	+0.2%	¥3.0B ($19.7M)
2025-09-02	BUY	negotiated	株式会社ホシ・クリエート Hoshi Create Co., Ltd.	activist	4.9M	¥1,724	-0.2%	¥771M ($5.0M)
2025-09-02	BUY	Market Buy	株式会社ホシ・クリエート Hoshi Create Co., Ltd.	activist	4.9M	¥1,724	-0.2%	¥771M ($5.0M)
2025-09-02	BUY	negotiated	株式会社ホシ・クリエート Hoshi Create Co., Ltd.	activist	2.4M	¥1,724	-0.2%	¥4.2B ($27.2M)
2025-09-02	BUY	Market Buy	株式会社ホシ・クリエート Hoshi Create Co., Ltd.	activist	2.4M	¥1,724	-0.2%	¥4.2B ($27.2M)
2025-07-18	SELL	unknown	ファースト・イーグル・インベストメント・マネジメント・エルエルシー(First Eagle Investment Management, LLC) First Eagle Investment Management, LLC	other	5.3M	¥1,589.5	-8.3%	¥2.1B ($13.4M)
2024-09-05	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	5.1M	¥1,684	+2.2%	¥8.5B ($55.0M)
2024-09-05	SELL	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	151.7K	¥1,684	-2.2%	¥111M ($714K)
2024-08-22	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	4.0M	¥1,639.5	-5.0%	¥2.6B ($16.9M)
2024-05-21	BUY	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	215.5K	¥1,696.5	+1.4%	¥366M ($2.4M)
2024-05-21	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	6.2M	¥1,696.5	+1.4%	¥10.4B ($67.2M)
2024-03-22	BUY	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	219.6K	¥2,001.5	-14.0%	¥22M ($141K)
2024-03-22	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	8.1M	¥2,001.5	-14.0%	¥16.1B ($103.7M)
2024-01-11	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	5.6M	¥2,121	+18.9%	¥2.3B ($15.0M)
2021-07-26	BUY	Market Buy	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	3.4M	¥2,067.5	-16.8%	¥1.2B ($7.8M)
2021-06-04	BUY	Market Buy	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	106.6K	¥2,137.5	-19.5%	¥35M ($226K)
2021-06-04	BUY	Market Buy	ファースト・イーグル・インベストメント・マネジメント・エルエルシー(First Eagle Investment Management, LLC) First Eagle Investment Management, LLC	other	3.3M	¥2,137.5	-19.5%	¥1.2B ($7.6M)
2021-06-04	BUY	Market Buy	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	4.7M	¥2,137.5	-19.5%	¥1.4B ($9.2M)

Frequently asked questions

Who has been buying Daiichikosho Co., Ltd. stock?: 9 distinct investors have filed 21 disclosed large-shareholding filings in Daiichikosho Co., Ltd. (7458), most recently on 2025-09-03. 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 Daiichikosho Co., Ltd. have?: Daiichikosho Co., Ltd. has 21 buy-side and 9 sell-side disclosures on record, covering ¥29.7B ($191.8M) in total reported value, spanning 2021-06-04 to 2025-09-03.
Where does StockDrifts get Daiichikosho 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 Daiichikosho Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.