Group One Trading
PSIX

Group One Trading’s Power Solutions International PSIX Stock Holding History

Group One Trading’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
Q1 		$73.1K Sell
1,200
-3,000
-71% -$214K ﹤0.01% 4980
2025
Q4 		$240K Sell
4,200
-1,500
-26% -$107K ﹤0.01% 4213
2025
Q3 		$560K Buy
+5,700
New +$505K ﹤0.01% 3592

Other funds holding PSIX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
SA
Situational Awareness San Francisco, California $13.7B AUM 334.5% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
BB
Busey Bank Urbana, Illinois $3.68B AUM 26.6% 1-Year Est. Return
SG Americas Securities
SG Americas Securities New York $92.9B AUM 36.98% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Group One Trading's PSIX Position: Q1 2026 in Review

Group One Trading reduced its Power Solutions International (PSIX) stake by 37% in Q1 2026, selling an estimated $141K and leaving 3,351 shares worth $204K. The position accounts for ﹤0.01% of the portfolio, ranked #4092.

Group One Trading first reported a position in PSIX in Q3 2025 and has held it in 3 quarters since. The position peaked at $489K in Q3 2025. 201 funds tracked by Wall St. Rank hold PSIX as of Q1 2026.

  • Group One Trading held 3,351 shares of Power Solutions International worth $204K as of Q1 2026.
  • Group One Trading sold 1,975 Power Solutions International shares in Q1 2026, an estimated $141K.
  • Power Solutions International made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #4092 holding.
  • Group One Trading first reported a position in Power Solutions International in Q3 2025 and has held it in 3 quarters since.
  • Group One Trading's Power Solutions International position peaked at $489K in Q3 2025.
  • 201 funds tracked by Wall St. Rank held Power Solutions International as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.