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Magnetar Financial’s Power Integrations POWI Stock Holding History

Magnetar Financial’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
2025
Q4 		– Sell
-39,461
Closed -$1.59M – 1166
2025
Q3 		$1.59M Buy
+39,461
New +$1.9M 0.01% 397
2025
Q2 		– Sell
-5,815
Closed -$294K – 1094
2025
Q1 		$294K Buy
+5,815
New +$348K ﹤0.01% 577
2024
Q3 		– Sell
-7,701
Closed -$541K – 655
2024
Q2 		$541K Buy
+7,701
New +$553K 0.01% 324
2022
Q3 		– Sell
-6,121
Closed -$459K – 1475
2022
Q2 		$459K Buy
+6,121
New +$497K ﹤0.01% 1166
2022
Q1 		– Sell
-4,869
Closed -$452K – 1488
2021
Q4 		$452K Buy
+4,869
New +$478K ﹤0.01% 989
2021
Q3 		– Sell
-6,490
Closed -$533K – 1482
2021
Q2 		$533K Buy
+6,490
New +$524K 0.01% 874

Other funds holding POWI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
SCM
Snyder Capital Management San Francisco, California $5.79B AUM 33.56% 1-Year Est. Return
DGI
Disciplined Growth Investors Minneapolis, Minnesota $5.91B AUM 53.97% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Magnetar Financial's POWI Position: Q4 2025 in Review

Magnetar Financial sold out of Power Integrations (POWI) in Q4 2025, closing a stake of 39,461 shares — an estimated $1.59M sold.

Magnetar Financial first reported a position in POWI in Q2 2021 and held it in 6 quarters. The position peaked at $1.59M in Q3 2025. 298 funds tracked by Wall St. Rank hold POWI as of Q4 2025.

  • Magnetar Financial reported no remaining Power Integrations position as of Q4 2025 after selling out during the quarter.
  • Magnetar Financial sold 39,461 Power Integrations shares in Q4 2025, an estimated $1.59M.
  • Magnetar Financial first reported a position in Power Integrations in Q2 2021 and held it in 6 quarters.
  • Magnetar Financial's Power Integrations position peaked at $1.59M in Q3 2025.
  • 298 funds tracked by Wall St. Rank held Power Integrations as of Q4 2025.

Based on Magnetar Financial's 13F filing for Q4 2025, filed 17 Feb 2026.