Who has been buying PLAID,Inc. stock?

14 distinct investors have filed 35 disclosed large-shareholding filings in PLAID,Inc. (4165), most recently on 2026-02-20. 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 PLAID,Inc. have?

PLAID,Inc. has 35 buy-side and 22 sell-side disclosures on record, covering ¥24.4B ($157.1M) in total reported value, spanning 2021-06-22 to 2026-02-20.

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.

PLAID,Inc. 4165

Company

株式会社プレイドPLAID,Inc.

Investors

Buys

Total Value

¥24.4B ($157.1M)

Avg Return

-34.19%

Last Filing

2026-02-20

PLAID,Inc. (4165) has 35 disclosed large-shareholding filings and 22 disclosed disposals on record, filed by 14 distinct investors. Together those filings cover ¥24.4B ($157.1M) in reported transaction value. The earliest filing StockDrifts holds for PLAID,Inc. is dated 2021-06-22; the most recent is 2026-02-20. Across these filings the average return since disclosure is -34.19%, 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
2026-07-03	BUY	Market Buy	田畑正吾	passive	3.9M	¥549	-	¥63M ($409K)
2026-07-03	BUY	Market Buy	セブンオークスキャピタル株式会社	passive	600.0K	¥549	-	¥329M ($2.1M)
2026-02-20	SELL	unknown	倉橋健太 KENTA KURAHASHI	activist	11.0M	¥503	-33.0%	¥87M ($562K)
2026-02-06	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.7M	¥714	+6.3%	¥300M ($1.9M)
2026-01-09	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.1M	¥862	-22.4%	¥1.8B ($11.7M)
2025-07-23	SELL	unknown	楽天証券株式会社 Rakuten Securities Inc	other	911.9K	¥1,148	+41.7%	¥1.3B ($8.6M)
2025-07-09	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	3.8M	¥1,082	-	¥49M ($315K)
2025-06-20	SELL	unknown	楽天証券株式会社 Rakuten Securities Inc	other	2.1M	¥1,276	+47.6%	¥612M ($3.9M)
2025-05-09	BUY	Market Buy	楽天証券株式会社 Rakuten Securities Inc	other	2.5M	¥1,131	-40.9%	¥37M ($238K)
2025-04-22	BUY	unknown	楽天証券株式会社 Rakuten Securities Inc	other	2.5M	¥1,100	-39.2%	¥2.8B ($17.8M)
2025-04-07	SELL	unknown	楽天証券株式会社 Rakuten Securities Inc	other	857.3K	¥911	+26.6%	¥1.7B ($11.0M)
2025-03-17	SELL	unknown	楽天証券株式会社 Rakuten Securities Inc	other	2.7M	¥1,185	+43.5%	¥247M ($1.6M)
2025-03-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.3M	¥1,022	+34.5%	¥655M ($4.2M)
2025-03-07	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	36.3K	¥1,022	+34.5%	¥25M ($161K)
2025-03-04	BUY	Market Buy	楽天証券株式会社 Rakuten Securities Inc	other	2.9M	¥1,135	-41.1%	¥51M ($329K)
2025-02-17	BUY	Market Buy	楽天証券株式会社 Rakuten Securities Inc	other	2.9M	¥1,301	-48.6%	¥69M ($445K)
2025-01-20	BUY	Market Buy	楽天証券株式会社 Rakuten Securities Inc	other	2.8M	¥856	-21.9%	¥209M ($1.3M)
2025-01-14	SELL	unknown	倉橋健太 KENTA KURAHASHI	activist	11.0M	¥891	+24.9%	¥369M ($2.4M)
2024-12-18	BUY	Market Buy	楽天証券株式会社 Rakuten Securities Inc	other	2.6M	¥1,101	-39.2%	¥483M ($3.1M)
2024-12-12	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	3.7M	¥1,132	-	¥156M ($1.0M)
2024-11-07	BUY	unknown	楽天証券株式会社 Rakuten Securities Inc	other	2.1M	¥951	-29.6%	¥2.0B ($13.1M)
2024-10-09	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	3.5M	¥931	-	¥45M ($293K)
2024-10-01	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	3.5M	¥920	-	¥385M ($2.5M)
2024-09-24	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.0M	¥933	-28.3%	¥1.8B ($11.9M)
2024-09-24	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	60.8K	¥933	-28.3%	¥57M ($366K)
2024-08-21	SELL	unknown	楽天証券株式会社 Rakuten Securities Inc	other	435.9K	¥1,007	+33.6%	¥1.7B ($10.8M)
2024-08-02	BUY	unknown	楽天証券株式会社 Rakuten Securities Inc	other	2.1M	¥869	-23.0%	¥1.8B ($11.7M)
2024-07-03	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	3.0M	¥976	-	¥409M ($2.6M)
2024-03-11	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.6M	¥739	-	¥68M ($439K)
2024-03-01	BUY	unknown	楽天証券株式会社 Rakuten Securities Inc	other	627.8K	¥820	-	¥1.5B ($9.7M)
2024-03-01	SELL	unknown	楽天証券株式会社 Rakuten Securities Inc	other	627.8K	¥820	+18.4%	¥1.5B ($9.7M)
2024-02-19	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.5M	¥793	-	¥19M ($123K)
2024-02-19	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.5M	¥793	-	¥19M ($123K)
2024-02-16	BUY	unknown	楽天証券株式会社 Rakuten Securities Inc	other	2.5M	¥693	-	¥141M ($912K)
2024-02-16	SELL	unknown	楽天証券株式会社 Rakuten Securities Inc	other	2.5M	¥693	+3.5%	¥132M ($854K)
2024-01-18	BUY	unknown	GMOクリック証券株式会社 GMO CLICK Securities, Inc.	other	31.9K	¥566	+18.2%	¥6M ($37K)
2024-01-16	BUY	unknown	楽天証券株式会社 Rakuten Securities Inc	other	2.6M	¥606	+10.4%	¥1.6B ($10.2M)
2024-01-15	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.5M	¥608	-	¥24M ($154K)
2024-01-15	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.5M	¥608	-	¥24M ($154K)
2024-01-05	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.5M	¥609	-	¥1.5B ($9.7M)
2024-01-05	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.5M	¥609	-	¥22M ($139K)
2023-12-21	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.4M	¥617	-	¥1.5B ($9.7M)
2023-12-21	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.4M	¥617	-	¥214M ($1.4M)
2023-12-20	BUY	unknown	GMOクリック証券株式会社 GMO CLICK Securities, Inc.	other	2.1M	¥641	+4.4%	¥1.4B ($8.8M)
2023-12-04	SELL	unknown	楽天証券株式会社 Rakuten Securities Inc	other	470.3K	¥649	-3.1%	¥1.3B ($8.4M)
2023-12-04	BUY	unknown	楽天証券株式会社 Rakuten Securities Inc	other	470.3K	¥649	-	¥1.3B ($8.4M)
2023-11-30	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.1M	¥644	-	¥1.3B ($8.6M)
2023-11-30	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.1M	¥644	-	¥1.3B ($8.6M)
2023-11-30	BUY	Market Buy	田畑正吾 Tabata Shogo	passive	2.4M	¥644	+3.9%	¥1.6B ($10.0M)
2023-09-04	BUY	unknown	楽天証券株式会社 Rakuten Securities Inc	other	2.5M	¥679	-	¥1.7B ($10.9M)

Showing the 50 most recent of 91 filings.

Frequently asked questions

Who has been buying PLAID,Inc. stock?: 14 distinct investors have filed 35 disclosed large-shareholding filings in PLAID,Inc. (4165), most recently on 2026-02-20. 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 PLAID,Inc. have?: PLAID,Inc. has 35 buy-side and 22 sell-side disclosures on record, covering ¥24.4B ($157.1M) in total reported value, spanning 2021-06-22 to 2026-02-20.
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.