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CASTLEARK MANAGEMENT LLC

Position in SEI — Solaris Energy Infrastructure, Inc.

CIK 1106832 CHICAGO, IL

Position in SEI

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$5,326,406
-$1,614,880 QoQ
Shares Held
94,256
-37.6% QoQ
Ownership
0.128%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in SEI Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Mar 31, 2026

CASTLEARK MANAGEMENT LLC holds $49,948,471 across 8 Oil & Gas Equipment & Services names. SEI ranks #4 (10.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 SEI
Solaris Energy Infrastructure, Inc.
This page
94,256 $5,326,406

All Filings in SEI

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,326,406 94,256
2025-12-31 $6,941,286 150,996
2025-09-30 $7,751,222 193,926
2025-06-30 $2,179,178 77,030
2025-03-31 $1,674,867 76,970
2024-12-31 $3,788,311 131,630