Who has been buying GMO Product Platform, Inc. stock?

5 distinct investors have filed 5 disclosed large-shareholding filings in GMO Product Platform, Inc. (3695), most recently on 2025-04-09. 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 GMO Product Platform, Inc. have?

GMO Product Platform, Inc. has 5 buy-side and 4 sell-side disclosures on record, covering ¥3.1B ($19.9M) in total reported value, spanning 2021-08-18 to 2025-04-09.

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.

GMO Product Platform, Inc. 3695

Company

GMOリサーチ株式会社GMO Product Platform, Inc.

Investors

Buys

Total Value

¥3.1B ($19.9M)

Avg Return

-29.74%

Last Filing

2025-04-09

GMO Product Platform, Inc. (3695) has 5 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥3.1B ($19.9M) in reported transaction value. The earliest filing StockDrifts holds for GMO Product Platform, Inc. is dated 2021-08-18; the most recent is 2025-04-09. Across these filings the average return since disclosure is -29.74%, 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
2026-08-26	BUY	negotiated	GMOインターネット株式会社	strategic	138.4K	¥1,433	-	-
2026-08-26	SELL	negotiated	GMOインターネットグループ株式会社	activist	2.9M	¥1,433	-19.8%	¥175M ($1.1M)
2026-06-25	SELL	negotiated	GMOインターネットグループ株式会社	activist	3.0M	¥1,433	-19.8%	¥143M ($925K)
2026-06-25	SELL	negotiated	GMOインターネットグループ株式会社	activist	3.0M	¥1,433	-19.8%	¥143M ($925K)
2026-06-25	BUY	negotiated	GMOインターネット株式会社	strategic	138.4K	¥1,433	-	-
2026-06-25	BUY	negotiated	GMOインターネット株式会社	strategic	138.4K	¥1,433	-	-
2025-04-09	BUY	unknown	荻田剛大 Takehiro Ogita	other	421.7K	¥2,577	-	¥1.1B ($7.0M)
2025-04-09	BUY	unknown	荻田剛大 Takehiro Ogita	other	421.7K	¥2,577	-33.4%	¥1.1B ($7.0M)
2025-04-07	BUY	Market Buy	GMOインターネットグループ株式会社 GMO internet group, Inc.	activist	3.1M	¥2,521	-31.9%	¥1.9B ($12.0M)
2025-04-07	BUY	Market Buy	GMOインターネット株式会社 GMO internet, Inc.	strategic	138.4K	¥2,521	-	¥349M ($2.3M)
2023-05-24	SELL	negotiated	GMOインターネットグループ株式会社 GMO internet group, Inc.	activist	889.5K	¥3,200	+46.3%	¥120M ($776K)
2021-09-06	BUY	Market Buy	株式会社 HOSOKAWA HOSOKAWA Co., Ltd.	other	47.0K	¥2,335	-26.5%	¥31M ($202K)
2021-09-06	SELL	Market Buy	細川慎一 Shinichi Hosokawa	other	37.3K	¥2,335	+26.5%	¥31M ($197K)
2021-08-18	BUY	unknown	株式会社 HOSOKAWA HOSOKAWA Co., Ltd.	other	63.4K	¥2,220	-22.7%	¥36M ($235K)
2021-08-18	BUY	Market Buy	株式会社 HOSOKAWA HOSOKAWA Co., Ltd.	other	63.4K	¥2,220	-22.7%	¥66M ($428K)
2021-08-18	SELL	Market Buy	細川慎一 Shinichi Hosokawa	other	20.3K	¥2,220	+22.7%	¥67M ($430K)
2021-08-18	SELL	unknown	細川慎一 Shinichi Hosokawa	other	20.3K	¥2,220	+22.7%	¥38M ($243K)

Frequently asked questions

Who has been buying GMO Product Platform, Inc. stock?: 5 distinct investors have filed 5 disclosed large-shareholding filings in GMO Product Platform, Inc. (3695), most recently on 2025-04-09. 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 GMO Product Platform, Inc. have?: GMO Product Platform, Inc. has 5 buy-side and 4 sell-side disclosures on record, covering ¥3.1B ($19.9M) in total reported value, spanning 2021-08-18 to 2025-04-09.
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.