Position in TS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$55,552,648
+$3,868,678 QoQ
Shares Held
1,001,129
+12.7% QoQ
Ownership
0.198%
of shares outstanding
% of Portfolio
0.32%
of 13F equity value
Holder Rank
#11
of 284 holders
Holding Since
Mar 2022
8 quarters on record
Voting authority
Sole 78%
Shared 0%
None 22%
Common Shares in TS Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Equipment & Services
Energy · as of Jun 30, 2026Driehaus Capital Management LLC holds $437,322,103 across 9 Oil & Gas Equipment & Services names. TS ranks #2 (12.7% 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
This page
|
1,001,129 | $55,552,648 | |
| 3 | TTI |
Tetra Technologies Inc
|
4,373,843 | $49,555,641 | |
| 4 | KGS |
Kodiak Gas Services, Inc.
|
655,608 | $49,255,829 | |
| 5 | INVX |
Innovex International, Inc.
|
1,958,268 | $48,565,046 | |
| 6 | TDW |
Tidewater Inc
|
558,352 | $37,202,993 | |
| 7 | FTK |
Flotek Industries Inc/Cn/
|
1,136,326 | $26,726,387 | |
| 8 | WTTR |
Select Water Solutions, Inc.
|
1,161,973 | $23,216,220 |
All Filings in TS
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $55,552,648 | 1,001,129 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $51,683,970 | 888,346 | Shares | Sole | 2026-05-15 | |
| 2024-03-31 | $19,144,007 | 487,497 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $28,376,673 | 816,360 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $34,916,009 | 1,104,937 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $33,973,393 | 1,134,337 | Shares | Sole | 2023-08-14 | |
| 2022-06-30 | $18,696,205 | 727,762 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $32,339,713 | 1,075,481 | Shares | Sole | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||