Driehaus Capital Management LLC
Position in WTTR — Select Water Solutions, Inc.
CIK 938206
Chicago, IL
Position in WTTR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$23,216,220
New position
Shares Held
1,161,973
first reported quarter
Ownership
0.839%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#29
of 264 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority
Sole 78%
Shared 0%
None 22%
Position in Oil & Gas Equipment & Services
Energy · as of Jun 30, 2026Driehaus Capital Management LLC holds $387,766,462 across 8 Oil & Gas Equipment & Services names. WTTR ranks #7 (6.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SEI |
Solaris Energy Infrastructure, Inc.
|
1,584,985 | $127,527,893 | |
| 2 | TS |
Tenaris SA
|
1,001,129 | $55,552,648 | |
| 3 | KGS |
Kodiak Gas Services, Inc.
|
655,608 | $49,255,829 | |
| 4 | INVX |
Innovex International, Inc.
|
1,958,268 | $48,565,046 | |
| 5 | TDW |
Tidewater Inc
|
558,352 | $37,202,993 | |
| 6 | FTK |
Flotek Industries Inc/Cn/
|
1,136,326 | $26,726,387 | |
| 7 | WTTR |
Select Water Solutions, Inc.
This page
|
1,161,973 | $23,216,220 | |
| 8 | LBRT |
Liberty Energy Inc.
|
752,938 | $19,719,446 |
All Filings in WTTR
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $23,216,220 | 1,161,973 | Shares | Sole | 2026-08-14 | |
| No filing history on record for this holder in this stock. | ||||||