Advent International, L.P.

Position in SEI — Solaris Energy Infrastructure, Inc.

CIK 1034196 BOSTON, MA

Position in SEI

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$88,057,596

+$17,908,230 QoQ

Shares Held

1,094,427

-11.8% QoQ

Ownership

1.43%

of shares outstanding

% of Portfolio

0.53%

of 13F equity value

Holder Rank

#19

of 431 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

Advent International, L.P. holds $241,442,506 across 3 Oil & Gas Equipment & Services names. SEI ranks #2 (36.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BKR	Baker Hughes Co	1,588,410	$88,156,755
2	SEI	Solaris Energy Infrastructure, Inc. This page	1,094,427	$88,057,596
3	NCSM	NCS Multistage Holdings, Inc.	1,478,426	$65,228,155

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$88,057,596	1,094,427	-11.8%	Shares	Defined	2026-08-14
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.