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

11 distinct investors have filed 8 disclosed large-shareholding filings in Hamakyorex Co., Ltd. (9037), most recently on 2025-12-11. 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 Hamakyorex Co., Ltd. have?

Hamakyorex Co., Ltd. has 8 buy-side and 9 sell-side disclosures on record, covering ¥2.7B ($17.1M) in total reported value, spanning 2021-07-06 to 2025-12-11.

Where does StockDrifts get Hamakyorex 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.

Hamakyorex Co., Ltd. 9037

Company

株式会社ハマキョウレックスHamakyorex Co., Ltd.

Investors

Buys

Total Value

¥2.7B ($17.1M)

Avg Return

+83.85%

Last Filing

2025-12-11

Hamakyorex Co., Ltd. (9037) has 8 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥2.7B ($17.1M) in reported transaction value. The earliest filing StockDrifts holds for Hamakyorex Co., Ltd. is dated 2021-07-06; the most recent is 2025-12-11. 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 +83.85%, 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
2026-06-22	BUY	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.8M	¥1,773	+2.7%	¥381M ($2.5M)
2026-06-22	SELL	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	137.8K	¥1,773	-2.7%	¥303M ($2.0M)
2026-06-22	SELL	unknown	エフアイエーエムエルエルシー FIAM LLC	other	51.0K	¥1,773	-2.7%	¥111M ($718K)
2026-06-22	BUY	Market Buy	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	1.6M	¥1,773	+2.7%	¥30M ($196K)
2026-06-22	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	209.1K	¥1,773	+2.7%	¥371M ($2.4M)
2026-06-22	SELL	unknown	エフアイエーエムエルエルシー FIAM LLC	other	38.2K	¥1,773	-2.7%	¥24M ($152K)
2026-06-22	BUY	Market Buy	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	1.7M	¥1,773	+2.7%	¥57M ($370K)
2026-05-21	BUY	Market Buy	エムエフカンパニー株式会社	activist	10.9M	¥1,904	-2.7%	¥3.2B ($20.5M)
2026-05-21	BUY	unknown	大須賀秀徳	activist	2.0M	¥1,904	-2.7%	¥3.8B ($24.6M)
2026-05-21	BUY	unknown	大須賀福子	activist	451.2K	¥1,904	-2.7%	¥859M ($5.5M)
2026-05-21	BUY	Market Buy	大須賀正孝	activist	2.3M	¥1,904	-2.7%	¥608M ($3.9M)
2025-12-11	BUY	unknown	エムエフカンパニー株式会社	activist	9.2M	¥1,727	-3.5%	¥16.5B ($106.6M)
2025-12-11	BUY	unknown	大須賀秀徳	activist	2.0M	¥1,727	-3.5%	¥3.6B ($23.0M)
2025-12-11	BUY	unknown	大須賀福子	activist	451.2K	¥1,727	-3.5%	¥807M ($5.2M)
2025-12-11	BUY	unknown	大須賀正孝	activist	2.0M	¥1,727	-3.5%	¥3.6B ($23.1M)
2025-12-11	SELL	unknown	エムエフカンパニー株式会社	activist	2.3M	¥1,727	-3.5%	¥4.1B ($26.6M)
2025-12-11	SELL	unknown	大須賀秀徳	activist	499.3K	¥1,727	-3.5%	¥893M ($5.8M)
2025-12-11	SELL	unknown	大須賀福子	activist	112.8K	¥1,727	-3.5%	¥202M ($1.3M)
2025-12-11	SELL	unknown	大須賀正孝	activist	500.0K	¥1,727	-3.5%	¥894M ($5.8M)
2025-10-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.8M	¥1,545	+15.7%	¥47M ($303K)
2025-10-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-6.8K	¥1,545	-15.7%	¥1.7B ($10.9M)
2025-10-06	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	764.2K	¥1,545	+15.7%	¥1.2B ($7.6M)
2025-08-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.8M	¥1,542	+15.9%	¥4.3B ($27.6M)
2025-08-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.1M	¥1,542	+15.9%	¥1.7B ($10.8M)
2024-04-03	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	activist	847.1K	¥963.75	-85.5%	¥183M ($1.2M)
2023-02-21	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	762.8K	¥795	+124.9%	¥594M ($3.8M)
2023-02-21	BUY	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	5.4K	¥795	+124.9%	¥425M ($2.7M)
2023-02-21	SELL	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	0	¥795	-124.9%	¥51M ($332K)
2021-10-06	BUY	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	35.8K	¥795	+124.9%	¥2M ($10K)
2021-10-06	BUY	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	64.1K	¥795	+124.9%	¥51M ($329K)
2021-10-06	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	1.5M	¥795	+124.9%	¥156M ($1.0M)
2021-07-06	SELL	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	34.9K	¥800	-123.5%	¥37M ($236K)
2021-07-06	SELL	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	64.1K	¥800	-123.5%	¥17M ($108K)
2021-07-06	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	1.3M	¥800	+123.5%	¥186M ($1.2M)

Frequently asked questions

Who has been buying Hamakyorex Co., Ltd. stock?: 11 distinct investors have filed 8 disclosed large-shareholding filings in Hamakyorex Co., Ltd. (9037), most recently on 2025-12-11. 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 Hamakyorex Co., Ltd. have?: Hamakyorex Co., Ltd. has 8 buy-side and 9 sell-side disclosures on record, covering ¥2.7B ($17.1M) in total reported value, spanning 2021-07-06 to 2025-12-11.
Where does StockDrifts get Hamakyorex 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 Hamakyorex Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.