XTX Topco’s Solaris Energy Infrastructure SEI Stock Holding History

XTX Topco’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
2026 Q2	$2.18M	Sell	27,052 -37,857	-58%	-$2.71M	0.03%	1037
2026 Q1	$3.67M	Buy	64,909 +31,780	+96%	+$1.72M	0.06%	450
2025 Q4	$1.52M	Buy	33,129 +20,826	+169%	+$1.01M	0.04%	734
2025 Q3	$492K	Sell	12,303 -13,033	-51%	-$408K	0.03%	1085
2025 Q2	$717K	Sell	25,336 -26,031	-51%	-$613K	0.03%	863
2025 Q1	$1.12M	Buy	51,367 +39,660	+339%	+$1.1M	0.06%	499
2024 Q4	$337K	Buy	+11,707	New	+$233K	0.03%	1118
2024 Q1	–	Sell	-10,595	Closed	-$84.3K	–	2415
2023 Q4	$84.3K	Sell	10,595 -4,121	-28%	-$37.3K	0.02%	1150
2023 Q3	$157K	Buy	+14,716	New	+$150K	0.03%	1095

Other funds holding SEI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

ECA

Encompass Capital Advisors New York $2.81B AUM 198.36% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

SPPAM

Summit Partners Public Asset Management Boston, Massachusetts $5.69B AUM 259.25% 1-Year Est. Return

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

VCM

Valiant Capital Management San Francisco, California $2.48B AUM 57.08% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

XTX Topco's SEI Position: Q2 2026 in Review

XTX Topco reduced its Solaris Energy Infrastructure (SEI) stake by 58% in Q2 2026, selling an estimated $2.71M and leaving 27,052 shares worth $2.18M. The position accounts for 0.03% of the portfolio, ranked #1037.

XTX Topco first reported a position in SEI in Q3 2023 and has held it in 9 quarters since. The position peaked at $3.67M in Q1 2026. 432 funds tracked by Wall St. Rank hold SEI as of Q2 2026.

XTX Topco held 27,052 shares of Solaris Energy Infrastructure worth $2.18M as of Q2 2026.
XTX Topco sold 37,857 Solaris Energy Infrastructure shares in Q2 2026, an estimated $2.71M.
Solaris Energy Infrastructure made up 0.03% of XTX Topco's portfolio in Q2 2026, its #1037 holding.
XTX Topco first reported a position in Solaris Energy Infrastructure in Q3 2023 and has held it in 9 quarters since.
XTX Topco's Solaris Energy Infrastructure position peaked at $3.67M in Q1 2026.
432 funds tracked by Wall St. Rank held Solaris Energy Infrastructure as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.