Citadel Advisors
PSIX

Citadel Advisors’s Power Solutions International PSIX Stock Holding History

Citadel Advisors’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 		$4.1M Buy
67,300
+13,500
+25% +$963K ﹤0.01% 4672
2025
Q4 		$3.07M Buy
53,800
+19,000
+55% +$1.36M ﹤0.01% 5108
2025
Q3 		$3.42M Buy
+34,800
New +$3.09M ﹤0.01% 5061

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

Citadel Advisors's PSIX Position: Q1 2026 in Review

Citadel Advisors increased its Power Solutions International (PSIX) stake by 71% in Q1 2026, buying an estimated $829K and bringing the position to 27,959 shares worth $1.7M. The position accounts for ﹤0.01% of the portfolio, ranked #6444.

Citadel Advisors first reported a position in PSIX in Q2 2014 and has held it in 9 quarters since. The position peaked at $8.22M in Q3 2025. 201 funds tracked by Wall St. Rank hold PSIX as of Q1 2026.

  • Citadel Advisors held 27,959 shares of Power Solutions International worth $1.7M as of Q1 2026.
  • Citadel Advisors bought 11,626 Power Solutions International shares in Q1 2026, an estimated $829K.
  • Power Solutions International made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #6444 holding.
  • Citadel Advisors first reported a position in Power Solutions International in Q2 2014 and has held it in 9 quarters since.
  • Citadel Advisors's Power Solutions International position peaked at $8.22M in Q3 2025.
  • 201 funds tracked by Wall St. Rank held Power Solutions International as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.