Driehaus Capital Management LLC

Position in SEI — Solaris Energy Infrastructure, Inc.

CIK 938206 Chicago, IL

Position in SEI

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

Position Value

$92,008,112

+$35,569,778 QoQ

Shares Held

1,628,174

+32.6% QoQ

Ownership

2.21%

of shares outstanding

% of Portfolio

0.68%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2024

6 quarters on record

Voting authority Sole 76.71188705875416.ToString("F0")% Shared 0.ToString("F0")% None 23.288112941245835.ToString("F0")%

Energy · as of Mar 31, 2026

Driehaus Capital Management LLC holds $373,403,815 across 8 Oil & Gas Equipment & Services names. SEI ranks #1 (24.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SEI	Solaris Energy Infrastructure, Inc. This page	1,628,174	$92,008,112
2	FTI	TechnipFMC plc	1,040,195	$71,908,680
3	TDW	Tidewater Inc	758,536	$63,375,682
4	TS	Tenaris SA	888,346	$51,683,970
5	INVX	Innovex International, Inc.	1,536,309	$37,470,576
6	LBRT	Liberty Energy Inc.	870,134	$25,059,859
7	FTK	Flotek Industries Inc/Cn/	968,657	$16,438,109
8	OIS	Oil States International, Inc	1,328,078	$15,458,827

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$92,008,112	1,628,174	+32.6%	Shares	Sole	2026-05-15
2025-12-31	$56,438,334	1,227,721	+27.7%	Shares	Sole	2026-02-17
2025-09-30	$38,433,033	961,547	-57.2%	Shares	Sole	2025-11-14
2025-06-30	$63,493,340	2,244,374	+10.8%	Shares	Sole	2025-08-14
2025-03-31	$44,073,073	2,025,417	0.0%	Shares	Sole	2025-05-15
2025-03-31	$44,073,073	2,025,417	+278.0%	Shares	Sole	2025-05-15
2024-12-31	$15,420,352	535,801	—	Shares	Sole	2025-02-14
No filing history on record for this holder in this stock.