Jane Street’s Power Integrations POWI Stock Holding History

Jane Street’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 Q2	$1.22M	Buy	+14,600	New	+$1.05M	﹤0.01%	6115
2026 Q1	–	Sell	-14,100	Closed	-$501K	–	12676
2025 Q4	$501K	Buy	+14,100	New	+$534K	﹤0.01%	7679
2024 Q4	–	Sell	-8,400	Closed	-$539K	–	10298
2024 Q3	$539K	Buy	+8,400	New	+$555K	﹤0.01%	7060
2022 Q4	–	Sell	-3,500	Closed	-$225K	–	9900
2022 Q3	$225K	Sell	3,500 -100	-3%	-$7.48K	﹤0.01%	7995
2022 Q2	$270K	Buy	3,600 +200	+6%	+$16.2K	﹤0.01%	7776
2022 Q1	$315K	Sell	3,400 -900	-21%	-$78.5K	﹤0.01%	8324
2021 Q4	$399K	Buy	+4,300	New	+$422K	﹤0.01%	7663

Other funds holding POWI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

DGI

Disciplined Growth Investors Minneapolis, Minnesota $5.91B AUM 53.97% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street's POWI Position: Q2 2026 in Review

Jane Street opened a new position in Power Integrations (POWI) in Q2 2026: 117,524 shares worth $9.84M. The stake represents ﹤0.01% of the portfolio and ranks #2850 among its holdings. This is a return to the name: Jane Street previously reported a position in POWI as recently as Q3 2025.

Jane Street first reported a position in POWI in Q3 2013 and has held it in 27 quarters since. The position peaked at $11M in Q3 2025. 372 funds tracked by Wall St. Rank hold POWI as of Q2 2026.

Jane Street held 117,524 shares of Power Integrations worth $9.84M as of Q2 2026.
Power Integrations was a new Jane Street position in Q2 2026.
Power Integrations made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #2850 holding.
Jane Street first reported a position in Power Integrations in Q3 2013 and has held it in 27 quarters since.
Jane Street's Power Integrations position peaked at $11M in Q3 2025.
372 funds tracked by Wall St. Rank held Power Integrations as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.