Position in WTTR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$168,300
+$42,060 QoQ
Shares Held
11,000
-8.3% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
13 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WTTR Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Equipment & Services
Energy · as of Mar 31, 2026CastleKnight Management LP holds $18,070,172 across 6 Oil & Gas Equipment & Services names. WTTR ranks #6 (0.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NINE |
Nine Energy Service, Inc.
|
1,157,943 | $9,495,132 | |
| 2 | XPRO |
Expro Group Holdings N.V.
|
191,897 | $3,340,926 | |
| 3 | KLXE |
KLX Energy Services Holdings, Inc.
|
921,045 | $2,394,717 | |
| 4 | PUMP |
ProPetro Holding Corp.
|
133,100 | $1,917,971 | |
| 5 | SND |
Smart Sand, Inc.
|
147,095 | $753,126 | |
| 6 | WTTR |
Select Water Solutions, Inc.
This page
|
11,000 | $168,300 |
All Filings in WTTR
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $168,300 | 11,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $126,240 | 12,000 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $128,280 | 12,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $103,680 | 12,000 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $126,000 | 12,000 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $158,880 | 12,000 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $133,560 | 12,000 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $128,400 | 12,000 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $276,900 | 30,000 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $227,700 | 30,000 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $238,500 | 30,000 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $243,000 | 30,000 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $208,800 | 30,000 | Shares | Sole | 2023-05-15 | |
| No filing history on record for this holder in this stock. | ||||||