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

Brightline 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 Q1	–	Sell	-250,000	Closed	-$11.5M	–	10
2025 Q4	$11.5M	Sell	250,000 -753,000	-75%	-$36.4M	4.65%	8
2025 Q3	$40.1M	Sell	1,003,000 -119,000	-11%	-$3.72M	16.43%	2
2025 Q2	$31.7M	Buy	1,122,000 +5,000	+0.4%	+$118K	13.67%	2
2025 Q1	$24.3M	Buy	1,117,000 +3,000	+0.3%	+$83.2K	21.08%	1
2024 Q4	$32.1M	Buy	1,114,000 +14,000	+1%	+$278K	21.99%	1
2024 Q3	$14M	Buy	+1,100,000	New	+$13.1M	5.93%	10

Other funds holding SEI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

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 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

Brightline Capital Management's SEI Position: Q1 2026 in Review

Brightline Capital Management sold out of Solaris Energy Infrastructure (SEI) in Q1 2026, closing a stake of 250,000 shares — an estimated $11.5M sold.

Brightline Capital Management first reported a position in SEI in Q3 2024 and held it in 6 quarters. The position peaked at $40.1M in Q3 2025. 363 funds tracked by Wall St. Rank hold SEI as of Q1 2026.

Brightline Capital Management reported no remaining Solaris Energy Infrastructure position as of Q1 2026 after selling out during the quarter.
Brightline Capital Management sold 250,000 Solaris Energy Infrastructure shares in Q1 2026, an estimated $11.5M.
Brightline Capital Management first reported a position in Solaris Energy Infrastructure in Q3 2024 and held it in 6 quarters.
Brightline Capital Management's Solaris Energy Infrastructure position peaked at $40.1M in Q3 2025.
363 funds tracked by Wall St. Rank held Solaris Energy Infrastructure as of Q1 2026.

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