JY
PSIX

Jeff Yass’s Power Solutions International PSIX Stock Holding History

Jeff Yass’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
2026
Q2 		$5.21M Sell
133,900
-36,400
-21% -$2M ﹤0.01% 4532
2026
Q1 		$10.4M Buy
170,300
+54,400
+47% +$3.88M ﹤0.01% 3056
2025
Q4 		$6.62M Sell
115,900
-12,700
-10% -$906K ﹤0.01% 3609
2025
Q3 		$12.6M Buy
+128,600
New +$11.4M ﹤0.01% 2737

Other funds holding PSIX

Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NM
Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
YC
Yunqi Capital Hong Kong $125M AUM 13.99% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
OCM
OLP Capital Management Causeway Bay, Hong Kong $400M AUM 17.8% 1-Year Est. Return
California State Teachers Retirement System (CalSTRS)
California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return
BB
Busey Bank Urbana, Illinois $4.12B AUM 32.66% 1-Year Est. Return

Jeff Yass's PSIX Position: Q2 2026 in Review

Jeff Yass increased its Power Solutions International (PSIX) stake by 439% in Q2 2026, buying an estimated $2.05M and bringing the position to 45,707 shares worth $1.78M. The position accounts for ﹤0.01% of the portfolio, ranked #6768.

Jeff Yass first reported a position in PSIX in Q2 2013 and has held it in 10 quarters since. The position peaked at $13.6M in Q3 2025. 158 funds tracked by Wall St. Rank hold PSIX as of Q2 2026.

  • Jeff Yass held 45,707 shares of Power Solutions International worth $1.78M as of Q2 2026.
  • Jeff Yass bought 37,220 Power Solutions International shares in Q2 2026, an estimated $2.05M.
  • Power Solutions International made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #6768 holding.
  • Jeff Yass first reported a position in Power Solutions International in Q2 2013 and has held it in 10 quarters since.
  • Jeff Yass's Power Solutions International position peaked at $13.6M in Q3 2025.
  • 158 funds tracked by Wall St. Rank held Power Solutions International as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.