CASTLEARK MANAGEMENT LLC
Position in SEI — Solaris Energy Infrastructure, Inc.
CIK 1106832
CHICAGO, IL
Position in SEI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$10,122,350
+$4,795,944 QoQ
Shares Held
125,806
+33.5% QoQ
Ownership
0.164%
of shares outstanding
% of Portfolio
0.31%
of 13F equity value
Holder Rank
#105
of 430 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in SEI Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Equipment & Services
Energy · as of Jun 30, 2026CASTLEARK MANAGEMENT LLC holds $43,344,821 across 8 Oil & Gas Equipment & Services names. SEI ranks #2 (23.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BKR |
Baker Hughes Co
|
330,020 | $18,316,110 | |
| 2 | SEI |
Solaris Energy Infrastructure, Inc.
This page
|
125,806 | $10,122,350 | |
| 3 | LBRT |
Liberty Energy Inc.
|
296,629 | $7,768,713 | |
| 4 | FTI |
TechnipFMC plc
|
44,676 | $2,962,018 | |
| 5 | AROC |
Archrock, Inc.
|
41,660 | $1,695,978 | |
| 6 | KGS |
Kodiak Gas Services, Inc.
|
15,320 | $1,150,991 | |
| 7 | NEXT |
NextDecade Corp
|
106,250 | $801,125 | |
| 8 | USAC |
USA Compression Partners, LP
|
19,990 | $527,536 |
All Filings in SEI
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $10,122,350 | 125,806 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $5,326,406 | 94,256 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $6,941,286 | 150,996 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $7,751,222 | 193,926 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $2,179,178 | 77,030 | Shares | Sole | 2025-08-18 | |
| 2025-03-31 | $1,674,867 | 76,970 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $3,788,311 | 131,630 | Shares | Sole | 2025-02-18 | |
| No filing history on record for this holder in this stock. | ||||||