Advent International, L.P.

Position in SEI — Solaris Energy Infrastructure, Inc.

CIK 1034196 BOSTON, MA

Position in SEI

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$70,149,366

+$12,052,067 QoQ

Shares Held

1,241,362

-1.8% QoQ

Ownership

1.69%

of shares outstanding

% of Portfolio

1.65%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Energy · as of Mar 31, 2026

Advent International, L.P. holds $233,884,375 across 3 Oil & Gas Equipment & Services names. SEI ranks #3 (30.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NCSM	NCS Multistage Holdings, Inc.	1,478,426	$91,425,863
2	BKR	Baker Hughes Co	1,184,425	$72,309,146
3	SEI	Solaris Energy Infrastructure, Inc. This page	1,241,362	$70,149,366

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$70,149,366	1,241,362	-1.8%	Shares	Defined	2026-05-15
2025-12-31	$58,097,299	1,263,809	+25.5%	Shares	Defined	2026-02-17
2025-09-30	$40,245,793	1,006,900	—	Shares	Defined	2025-11-14
No filing history on record for this holder in this stock.