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 		– 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
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.