DFO
SEI

Duquesne Family Office’s Solaris Energy Infrastructure SEI Stock Holding History

Duquesne Family Office’s Portfolio SEI Stock Details SEI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-145,600
Closed -$5.82M – 91
2025
Q3 		$5.82M Buy
+145,600
New +$4.55M 0.14% 60

Other funds holding SEI

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
ECA
Encompass Capital Advisors New York $3.34B AUM 167.64% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $3.72B AUM 162.29% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
SA
Situational Awareness San Francisco, California $13.7B AUM 334.5% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Duquesne Family Office's SEI Position: Q4 2025 in Review

Duquesne Family Office sold out of Solaris Energy Infrastructure (SEI) in Q4 2025, closing a stake of 145,600 shares — an estimated $5.82M sold.

Duquesne Family Office first reported a position in SEI in Q3 2025 and held it in 1 quarter. The position peaked at $5.82M in Q3 2025. 337 funds tracked by Wall St. Rank hold SEI as of Q4 2025.

  • Duquesne Family Office reported no remaining Solaris Energy Infrastructure position as of Q4 2025 after selling out during the quarter.
  • Duquesne Family Office sold 145,600 Solaris Energy Infrastructure shares in Q4 2025, an estimated $5.82M.
  • Duquesne Family Office first reported a position in Solaris Energy Infrastructure in Q3 2025 and held it in 1 quarter.
  • Duquesne Family Office's Solaris Energy Infrastructure position peaked at $5.82M in Q3 2025.
  • 337 funds tracked by Wall St. Rank held Solaris Energy Infrastructure as of Q4 2025.

Based on Duquesne Family Office's 13F filing for Q4 2025, filed 17 Feb 2026.