NEEDHAM INVESTMENT MANAGEMENT LLC
Position in WTTR — Select Water Solutions, Inc.
CIK 1167212
NEW YORK, NY
Position in WTTR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$17,671,500
+$9,518,500 QoQ
Shares Held
1,155,000
+49.0% QoQ
Ownership
0.836%
of shares outstanding
% of Portfolio
0.90%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2025
4 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, 2026NEEDHAM INVESTMENT MANAGEMENT LLC holds $21,631,235 across 4 Oil & Gas Equipment & Services names. WTTR ranks #1 (81.7% of the industry book) .
All Filings in WTTR
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4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||