Jeff Yass’s Power Solutions International PSIX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.78M Buy
45,707
+37,220
+439% +$2.05M ﹤0.01% 6768
2026
Q1
$517K Sell
8,487
-11,173
-57% -$797K ﹤0.01% 9579
2025
Q4
$1.12M Sell
19,660
-118,788
-86% -$8.48M ﹤0.01% 6919
2025
Q3
$13.6M Buy
138,448
+130,262
+1,591% +$11.6M ﹤0.01% 2617
2025
Q2
$529K Sell
8,186
-99,241
-92% -$3.68M ﹤0.01% 9046
2025
Q1
$2.72M Buy
+107,427
New +$3.7M ﹤0.01% 4866
2015
Q2
Sell
-4,330
Closed -$278K 10532
2015
Q1
$278K Sell
4,330
-197
-4% -$10.3K ﹤0.01% 8110
2014
Q4
$234K Sell
4,527
-9,073
-67% -$538K ﹤0.01% 8560
2014
Q3
$938K Buy
+13,600
New +$920K ﹤0.01% 6040
2013
Q3
Sell
-6,773
Closed -$228K 8846
2013
Q2
$228K Buy
+6,773
New +$241K ﹤0.01% 7254

Other funds holding PSIX

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. 157 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.
  • 157 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.