Marshall Wace
PSIX

Marshall Wace’s Power Solutions International PSIX Stock Holding History

Marshall Wace’s Portfolio PSIX Stock Details PSIX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-263,124
Closed -$6.65M – 3293
2025
Q1 		$6.65M Buy
263,124
+191,536
+268% +$6.61M 0.01% 938
2024
Q4 		$2.13M Buy
+71,588
New +$2.09M ﹤0.01% 1405

Other funds holding PSIX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
GS
Gagnon Securities New York $433M AUM 29.08% 1-Year Est. Return
GA
Gagnon Advisors New York $136M AUM 21.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return
OSAM
O'Shaughnessy Asset Management Stamford, Connecticut $20.1B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Marshall Wace's PSIX Position: Q2 2025 in Review

Marshall Wace sold out of Power Solutions International (PSIX) in Q2 2025, closing a stake of 263,124 shares — an estimated $6.65M sold.

Marshall Wace first reported a position in PSIX in Q4 2024 and held it in 2 quarters. The position peaked at $6.65M in Q1 2025. 126 funds tracked by Wall St. Rank hold PSIX as of Q2 2025.

  • Marshall Wace reported no remaining Power Solutions International position as of Q2 2025 after selling out during the quarter.
  • Marshall Wace sold 263,124 Power Solutions International shares in Q2 2025, an estimated $6.65M.
  • Marshall Wace first reported a position in Power Solutions International in Q4 2024 and held it in 2 quarters.
  • Marshall Wace's Power Solutions International position peaked at $6.65M in Q1 2025.
  • 126 funds tracked by Wall St. Rank held Power Solutions International as of Q2 2025.

Based on Marshall Wace's 13F filing for Q2 2025, filed 13 Aug 2025.