NEEDHAM INVESTMENT MANAGEMENT LLC
Position in WTTR — Select Water Solutions, Inc.
CIK 1167212
NEW YORK, NY
Position in WTTR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$25,974,000
+$8,302,500 QoQ
Shares Held
1,300,000
+12.6% QoQ
Ownership
0.939%
of shares outstanding
% of Portfolio
0.78%
of 13F equity value
Holder Rank
#24
of 264 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WTTR Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Equipment & Services
Energy · as of Jun 30, 2026NEEDHAM INVESTMENT MANAGEMENT LLC holds $100,385,455 across 6 Oil & Gas Equipment & Services names. WTTR ranks #2 (25.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TTI |
Tetra Technologies Inc
|
5,651,500 | $64,031,495 | |
| 2 | WTTR |
Select Water Solutions, Inc.
This page
|
1,300,000 | $25,974,000 | |
| 3 | WBI |
WaterBridge Infrastructure LLC
|
112,500 | $3,855,375 | |
| 4 | EROK |
EagleRock Land, LLC
|
160,000 | $3,400,000 | |
| 5 | FTK |
Flotek Industries Inc/Cn/
|
120,000 | $2,822,400 | |
| 6 | SLB |
Slb Limited/Nv
|
6,500 | $302,185 |
All Filings in WTTR
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $25,974,000 | 1,300,000 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $17,671,500 | 1,155,000 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $8,153,000 | 775,000 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $6,146,750 | 575,000 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $864,000 | 100,000 | Shares | Defined | 2025-08-14 | |
| No filing history on record for this holder in this stock. | ||||||