Group One Trading’s Power Integrations POWI Stock Holding History

Group One Trading’s Portfolio POWI Stock Details POWI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-24,200	Closed	-$860K	–	8494
2025 Q4	$860K	Buy	+24,200	New	+$917K	﹤0.01%	3032
2024 Q3	–	Sell	-100	Closed	-$7.02K	–	7209
2024 Q2	$7.02K	Buy	+100	New	+$7.18K	﹤0.01%	5804
2023 Q4	–	Sell	-500	Closed	-$38.2K	–	8019
2023 Q3	$38.2K	Buy	500 +200	+67%	+$17.1K	﹤0.01%	5350
2023 Q2	$28.4K	Buy	+300	New	+$25K	﹤0.01%	5721
2022 Q3	–	Sell	-100	Closed	-$8K	–	8076
2022 Q2	$8K	Buy	+100	New	+$8.12K	﹤0.01%	6882
2020 Q3	–	Sell	-2,000	Closed	-$118K	–	6459
2020 Q2	$118K	Buy	+2,000	New	+$105K	﹤0.01%	3772
2019 Q4	–	Sell	-2,600	Closed	-$118K	–	5512
2019 Q3	$118K	Hold	2,600	–	–	﹤0.01%	3447
2019 Q2	$104K	Buy	+2,600	New	+$95K	﹤0.01%	3320

Other funds holding POWI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

SCM

Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return

DGI

Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Group One Trading's POWI Position: Q1 2026 in Review

Group One Trading reduced its Power Integrations (POWI) stake by 99% in Q1 2026, selling an estimated $220K and leaving 69 shares worth $3.53K. The position accounts for ﹤0.01% of the portfolio, ranked #6855.

Group One Trading first reported a position in POWI in Q2 2019 and has held it in 10 quarters since. The position peaked at $173K in Q4 2025. 308 funds tracked by Wall St. Rank hold POWI as of Q1 2026.

Group One Trading held 69 shares of Power Integrations worth $3.53K as of Q1 2026.
Group One Trading sold 4,795 Power Integrations shares in Q1 2026, an estimated $220K.
Power Integrations made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #6855 holding.
Group One Trading first reported a position in Power Integrations in Q2 2019 and has held it in 10 quarters since.
Group One Trading's Power Integrations position peaked at $173K in Q4 2025.
308 funds tracked by Wall St. Rank held Power Integrations as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.