Who has been buying PKSHA Technology Inc. stock?

5 distinct investors have filed 2 disclosed large-shareholding filings in PKSHA Technology Inc. (3993), most recently on 2026-05-11. 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 PKSHA Technology Inc. have?

PKSHA Technology Inc. has 2 buy-side and 8 sell-side disclosures on record, covering ¥12.6B ($81.1M) in total reported value, spanning 2021-11-22 to 2026-05-11.

Where does StockDrifts get PKSHA Technology Inc. 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.

PKSHA Technology Inc. 3993

Company

株式会社PKSHA TechnologyPKSHA Technology Inc.

Investors

Buys

Total Value

¥12.6B ($81.1M)

Avg Return

+4.81%

Last Filing

2026-05-11

PKSHA Technology Inc. (3993) has 2 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥12.6B ($81.1M) in reported transaction value. The earliest filing StockDrifts holds for PKSHA Technology Inc. is dated 2021-11-22; the most recent is 2026-05-11. 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 +4.81%, 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
2026-05-11	BUY	unknown	インベスコ・アセット・マネジメント・リミテッド	other	154.5K	¥3,315	-13.5%	¥512M ($3.3M)
2026-05-11	SELL	unknown	インベスコ・アセット・マネジメント株式会社	other	1.7M	¥3,315	+13.5%	¥996M ($6.4M)
2026-03-06	SELL	unknown	山田尚史 naofumi yamada	strategic	2.4M	¥3,335	+6.2%	¥1.1B ($7.0M)
2026-02-19	BUY	Market Buy	インベスコ・アセット・マネジメント・リミテッド	other	154.5K	¥2,792	-12.1%	¥484M ($3.1M)
2026-02-19	BUY	Market Buy	インベスコ・アセット・マネジメント株式会社	other	2.0M	¥2,792	+12.1%	¥6.3B ($40.7M)
2025-12-19	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	2.0M	¥3,210	-2.5%	¥6.3B ($40.4M)
2025-10-16	BUY	negotiated	株式会社LUCE Capital LUCE Capital Co., Ltd.	activist	1.1M	¥3,750	-16.5%	¥4.1B ($26.8M)
2025-10-16	BUY	negotiated	上野山勝也 katsuya uenoyama	activist	9.5M	¥3,750	-16.5%	¥35.5B ($228.8M)
2024-09-06	SELL	negotiated	株式会社LUCE Capital LUCE Capital Co., Ltd.	activist	1.1M	¥3,125	-0.2%	¥140M ($902K)
2024-09-06	SELL	negotiated	上野山勝也 katsuya uenoyama	activist	9.5M	¥3,125	-0.2%	¥1.1B ($7.4M)
2024-07-03	SELL	unknown	山田尚史 naofumi yamada	strategic	2.7M	¥3,450	+9.3%	¥827M ($5.3M)
2023-09-04	SELL	unknown	山田尚史 naofumi yamada	strategic	2.9M	¥2,505	-24.9%	¥824M ($5.3M)
2022-06-03	BUY	unknown	山田尚史 naofumi yamada	strategic	3.2M	¥2,175	+43.9%	¥500M ($3.2M)
2022-06-03	SELL	unknown	山田尚史 naofumi yamada	strategic	3.2M	¥2,175	-43.9%	¥500M ($3.2M)
2021-11-22	BUY	unknown	山田尚史 naofumi yamada	strategic	3.4M	¥2,743	+14.1%	¥570M ($3.7M)
2021-11-22	SELL	unknown	山田尚史 naofumi yamada	strategic	3.4M	¥2,743	-14.1%	¥570M ($3.7M)

Frequently asked questions

Who has been buying PKSHA Technology Inc. stock?: 5 distinct investors have filed 2 disclosed large-shareholding filings in PKSHA Technology Inc. (3993), most recently on 2026-05-11. 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 PKSHA Technology Inc. have?: PKSHA Technology Inc. has 2 buy-side and 8 sell-side disclosures on record, covering ¥12.6B ($81.1M) in total reported value, spanning 2021-11-22 to 2026-05-11.
Where does StockDrifts get PKSHA Technology Inc. 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 PKSHA Technology Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.