Millennium Management
SEI

Millennium Management’s Solaris Energy Infrastructure SEI Stock Holding History

Millennium Management’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
2022
Q2 		– Sell
-15,800
Closed -$178K – 7603
2022
Q1 		$178K Buy
+15,800
New +$143K ﹤0.01% 5873

Other funds holding SEI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
ECA
Encompass Capital Advisors New York $3.34B AUM 167.64% 1-Year Est. Return
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $3.72B AUM 162.29% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Millennium Management's SEI Position: Q1 2026 in Review

Millennium Management increased its Solaris Energy Infrastructure (SEI) stake by 24% in Q1 2026, buying an estimated $23.8M and bringing the position to 2,285,544 shares worth $129M. The position accounts for 0.05% of the portfolio, ranked #347.

Millennium Management first reported a position in SEI in Q3 2017 and has held it in 29 quarters since. 363 funds tracked by Wall St. Rank hold SEI as of Q1 2026.

  • Millennium Management held 2,285,544 shares of Solaris Energy Infrastructure worth $129M as of Q1 2026.
  • Millennium Management bought 440,494 Solaris Energy Infrastructure shares in Q1 2026, an estimated $23.8M.
  • Solaris Energy Infrastructure made up 0.05% of Millennium Management's portfolio in Q1 2026, its #347 holding.
  • Millennium Management first reported a position in Solaris Energy Infrastructure in Q3 2017 and has held it in 29 quarters since.
  • 363 funds tracked by Wall St. Rank held Solaris Energy Infrastructure as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.