SIR Capital Management’s Solaris Energy Infrastructure SEI Stock Holding History

SIR Capital 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
2026 Q2	$8.69M	Sell	107,947 -55,967	-34%	-$4M	1%	35
2026 Q1	$9.26M	Sell	163,914 -1,045	-0.6%	-$56.5K	0.86%	38
2025 Q4	$7.58M	Sell	164,959 -598,935	-78%	-$29M	0.84%	42
2025 Q3	$30.5M	Sell	763,894 -267,963	-26%	-$8.38M	2.74%	10
2025 Q2	$29.2M	Buy	1,031,857 +27,624	+3%	+$650K	2.6%	14
2025 Q1	$21.9M	Buy	1,004,233 +475,127	+90%	+$13.2M	1.92%	21
2024 Q4	$15.2M	Buy	529,106 +136,022	+35%	+$2.71M	1.57%	23
2024 Q3	$5.02M	Buy	+393,084	New	+$4.68M	0.49%	51
2020 Q3	–	Sell	-171,607	Closed	-$1.27M	–	62
2020 Q2	$1.27M	Buy	+171,607	New	+$1.12M	0.31%	38
2020 Q1	–	Sell	-79,165	Closed	-$1.11M	–	48
2019 Q4	$1.11M	Buy	+79,165	New	+$952K	0.21%	35
2019 Q1	–	Sell	-41,100	Closed	-$497K	–	63
2018 Q4	$497K	Buy	+41,100	New	+$584K	0.17%	44

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

SIR Capital Management's SEI Position: Q2 2026 in Review

SIR Capital Management reduced its Solaris Energy Infrastructure (SEI) stake by 34% in Q2 2026, selling an estimated $4M and leaving 107,947 shares worth $8.69M. The position accounts for 1% of the portfolio, ranked #35.

SIR Capital Management first reported a position in SEI in Q4 2018 and has held it in 11 quarters since. The position peaked at $30.5M in Q3 2025. 432 funds tracked by Wall St. Rank hold SEI as of Q2 2026.

SIR Capital Management held 107,947 shares of Solaris Energy Infrastructure worth $8.69M as of Q2 2026.
SIR Capital Management sold 55,967 Solaris Energy Infrastructure shares in Q2 2026, an estimated $4M.
Solaris Energy Infrastructure made up 1% of SIR Capital Management's portfolio in Q2 2026, its #35 holding.
SIR Capital Management first reported a position in Solaris Energy Infrastructure in Q4 2018 and has held it in 11 quarters since.
SIR Capital Management's Solaris Energy Infrastructure position peaked at $30.5M in Q3 2025.
432 funds tracked by Wall St. Rank held Solaris Energy Infrastructure as of Q2 2026.

Based on SIR Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.