Jane Street
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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
Q1 		$399K Sell
7,800
-1,500
-16% -$68.8K ﹤0.01% 8558
2025
Q4 		$331K Buy
+9,300
New +$353K ﹤0.01% 8616
2024
Q2 		– Sell
-3,000
Closed -$215K – 10007
2024
Q1 		$215K Buy
+3,000
New +$224K ﹤0.01% 8092
2023
Q4 		– Sell
-4,500
Closed -$343K – 9671
2023
Q3 		$343K Buy
4,500
+1,200
+36% +$103K ﹤0.01% 6865
2023
Q2 		$312K Buy
3,300
+500
+18% +$41.7K ﹤0.01% 7062
2023
Q1 		$237K Buy
+2,800
New +$232K ﹤0.01% 7573
2022
Q4 		– Sell
-3,800
Closed -$244K – 9898
2022
Q3 		$244K Sell
3,800
-10,000
-72% -$748K ﹤0.01% 7879
2022
Q2 		$1.03M Buy
13,800
+700
+5% +$56.8K ﹤0.01% 5423
2022
Q1 		$1.21M Sell
13,100
-8,500
-39% -$741K ﹤0.01% 5738
2021
Q4 		$2.01M Buy
21,600
+2,400
+13% +$236K ﹤0.01% 4488
2021
Q3 		$1.9M Buy
+19,200
New +$1.86M ﹤0.01% 4581
2021
Q2 		– Sell
-2,600
Closed -$212K – 10264
2021
Q1 		$212K Sell
2,600
-3,800
-59% -$331K ﹤0.01% 8187
2020
Q4 		$524K Sell
6,400
-9,500
-60% -$645K ﹤0.01% 5664
2020
Q3 		$881K Buy
15,900
+3,900
+33% +$225K ﹤0.01% 4303
2020
Q2 		$709K Buy
+12,000
New +$631K ﹤0.01% 4565

Other funds holding POWI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
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
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
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jane Street's POWI Position: Q4 2025 in Review

Jane Street sold out of Power Integrations (POWI) in Q4 2025, closing a stake of 272,429 shares — an estimated $10.3M sold.

Jane Street first reported a position in POWI in Q3 2013 and held it in 26 quarters. The position peaked at $11M in Q3 2025. 298 funds tracked by Wall St. Rank hold POWI as of Q4 2025.

  • Jane Street reported no remaining Power Integrations position as of Q4 2025 after selling out during the quarter.
  • Jane Street sold 272,429 Power Integrations shares in Q4 2025, an estimated $10.3M.
  • Jane Street first reported a position in Power Integrations in Q3 2013 and held it in 26 quarters.
  • Jane Street's Power Integrations position peaked at $11M in Q3 2025.
  • 298 funds tracked by Wall St. Rank held Power Integrations as of Q4 2025.

Based on Jane Street's 13F filing for Q4 2025, filed 12 Feb 2026.