Who has been buying HYUGA PRIMARY CARE Co.,Ltd. stock?

12 distinct investors have filed 24 disclosed large-shareholding filings in HYUGA PRIMARY CARE Co.,Ltd. (7133), most recently on 2025-04-07. 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 HYUGA PRIMARY CARE Co.,Ltd. have?

HYUGA PRIMARY CARE Co.,Ltd. has 24 buy-side and 18 sell-side disclosures on record, covering ¥4.7B ($30.5M) in total reported value, spanning 2021-12-21 to 2025-04-07.

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.

HYUGA PRIMARY CARE Co.,Ltd. 7133

Company

HYUGA PRIMARY CARE株式会社HYUGA PRIMARY CARE Co.,Ltd.

Investors

Buys

Total Value

¥4.7B ($30.5M)

Avg Return

-47.06%

Last Filing

2025-04-07

HYUGA PRIMARY CARE Co.,Ltd. (7133) has 24 disclosed large-shareholding filings and 18 disclosed disposals on record, filed by 12 distinct investors. Together those filings cover ¥4.7B ($30.5M) in reported transaction value. The earliest filing StockDrifts holds for HYUGA PRIMARY CARE Co.,Ltd. is dated 2021-12-21; the most recent is 2025-04-07. Across these filings the average return since disclosure is -47.06%, 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
2026-09-25	SELL	unknown	一般社団法人Hyuga	activist	900.0K	¥1,330	+0.0%	¥24M ($156K)
2026-09-25	SELL	unknown	黒木哲史	activist	1.4M	¥1,330	+0.0%	¥48M ($312K)
2026-08-18	BUY	Market Buy	ピルグリム・パートナーズ・アジア・ピーティーイー・エルティーディー(Pilgrim Partners Asia (Pte.) Ltd.) Pilgrim Partners Asia (Pte.) Ltd.	activist	459.6K	¥1,294	+2.8%	¥95M ($614K)
2026-05-21	BUY	Market Buy	ピルグリム・パートナーズ・アジア・ピーティーイー・エルティーディー(Pilgrim Partners Asia (Pte.) Ltd.) Pilgrim Partners Asia (Pte.) Ltd.	activist	385.7K	¥955	+39.3%	¥368M ($2.4M)
2025-04-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	321.5K	¥1,256	+5.9%	¥399M ($2.6M)
2025-04-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	600	¥1,256	-5.9%	¥6.9B ($44.8M)
2024-12-20	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	56.0K	¥1,195	-	-
2024-12-20	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	358.6K	¥1,195	+11.3%	¥423M ($2.7M)
2024-10-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	443.0K	¥1,185	+12.2%	¥519M ($3.3M)
2024-10-22	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	56.0K	¥1,185	-	¥66M ($428K)
2024-07-08	BUY	unknown	山﨑武夫 TAKEO YAMASAKI	activist	450.0K	¥1,628	-18.3%	¥733M ($4.7M)
2024-02-22	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	6.2K	¥1,754	+24.2%	¥34M ($221K)
2024-02-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	527.5K	¥1,754	-24.2%	¥915M ($5.9M)
2024-02-22	BUY	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	4.0K	¥1,754	-24.2%	¥735M ($4.7M)
2023-08-03	SELL	negotiated	エムスリー株式会社 M3, Inc.	strategic	349.8K	¥1,769	+24.8%	¥20M ($130K)
2023-08-03	SELL	negotiated	エムスリーキャリア株式会社 M3 Career Co., Ltd.	strategic	250.2K	¥1,769	+24.8%	¥14M ($90K)
2023-08-03	SELL	negotiated	株式会社シーユーシー CUC Inc.	strategic	420.0K	¥1,769	+24.8%	¥24M ($155K)
2022-10-24	SELL	unknown	黒木哲史 KUROGI TETSUJI	activist	683.1K	¥3,240	+59.0%	¥64M ($410K)
2022-10-24	SELL	unknown	黒木哲史 KUROGI TETSUJI	activist	683.1K	¥3,240	+59.0%	¥154M ($993K)
2022-10-24	SELL	unknown	一般社団法人Hyuga Hyuga General Incorporated Association	activist	450.0K	¥3,240	+59.0%	¥3M ($22K)
2022-10-24	SELL	unknown	一般社団法人Hyuga Hyuga General Incorporated Association	activist	450.0K	¥3,240	+59.0%	¥42M ($269K)
2022-09-07	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	12.7K	¥3,565	-62.7%	¥10M ($65K)
2022-09-07	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	280.5K	¥3,565	-62.7%	¥122M ($784K)
2022-09-07	BUY	Market Buy	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	7.5K	¥3,565	-62.7%	¥9M ($57K)
2022-06-22	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	97.1K	¥3,065	+56.6%	¥76M ($491K)
2022-06-22	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	9.8K	¥3,065	+56.6%	¥4M ($28K)
2022-06-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	243.5K	¥3,065	-56.6%	¥151M ($972K)
2022-06-22	SELL	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	4.8K	¥3,065	+56.6%	¥5M ($35K)
2022-06-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	25.4K	¥3,065	+56.6%	¥47M ($305K)
2022-06-22	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	16.4K	¥3,065	+56.6%	¥2M ($14K)
2022-06-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	194.1K	¥2,800	-52.5%	¥84M ($544K)
2022-06-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	11.1K	¥2,800	+52.5%	¥3M ($19K)
2022-06-07	BUY	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	6.5K	¥2,800	-	¥18M ($117K)
2022-05-20	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	12.3K	¥3,145	-57.7%	¥39M ($250K)
2022-05-20	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	164.0K	¥3,145	-57.7%	¥516M ($3.3M)
2022-05-11	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	121.7K	¥2,535	+47.5%	¥88M ($567K)
2022-05-11	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	41.1K	¥2,535	+47.5%	¥162M ($1.0M)
2022-05-11	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	17.1K	¥2,535	+47.5%	¥9M ($57K)
2022-02-22	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	154.6K	¥1,975	-32.7%	¥5M ($31K)
2022-02-22	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	20.6K	¥1,975	-32.7%	¥1M ($9K)
2022-02-22	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.1K	¥1,975	-32.7%	¥200M ($1.3M)
2022-01-21	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	152.1K	¥2,365	-43.8%	¥360M ($2.3M)
2022-01-21	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	2.7K	¥2,365	-43.8%	¥6M ($41K)
2022-01-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	19.6K	¥2,365	-43.8%	¥46M ($299K)
2021-12-22	BUY	negotiated	エムスリー株式会社 M3, Inc.	strategic	349.8K	¥2,390	-44.4%	¥836M ($5.4M)
2021-12-22	BUY	negotiated	エムスリーキャリア株式会社 M3 Career Co., Ltd.	strategic	250.2K	¥2,390	-44.4%	¥598M ($3.9M)
2021-12-22	BUY	negotiated	株式会社シーユーシー CUC Inc.	strategic	420.0K	¥2,390	-44.4%	¥1.0B ($6.5M)
2021-12-21	BUY	unknown	黒木哲史 KUROGI TETSUJI	activist	728.8K	¥2,040	-34.8%	¥1.5B ($9.6M)
2021-12-21	BUY	unknown	一般社団法人Hyuga Hyuga General Incorporated Association	activist	450.0K	¥2,040	-34.8%	¥918M ($5.9M)

Frequently asked questions

Who has been buying HYUGA PRIMARY CARE Co.,Ltd. stock?: 12 distinct investors have filed 24 disclosed large-shareholding filings in HYUGA PRIMARY CARE Co.,Ltd. (7133), most recently on 2025-04-07. 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 HYUGA PRIMARY CARE Co.,Ltd. have?: HYUGA PRIMARY CARE Co.,Ltd. has 24 buy-side and 18 sell-side disclosures on record, covering ¥4.7B ($30.5M) in total reported value, spanning 2021-12-21 to 2025-04-07.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.