Position in TS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$51,683,970
+$32,539,963 QoQ
Shares Held
888,346
+82.2% QoQ
Ownership
0.176%
of shares outstanding
% of Portfolio
0.38%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
7 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 Mar 31, 2026Driehaus Capital Management LLC holds $373,403,815 across 8 Oil & Gas Equipment & Services names. TS ranks #4 (13.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SEI |
Solaris Energy Infrastructure, Inc.
|
1,628,174 | $92,008,112 | |
| 2 | FTI |
TechnipFMC plc
|
1,040,195 | $71,908,680 | |
| 3 | TDW |
Tidewater Inc
|
758,536 | $63,375,682 | |
| 4 | TS |
Tenaris SA
This page
|
888,346 | $51,683,970 | |
| 5 | INVX |
Innovex International, Inc.
|
1,536,309 | $37,470,576 | |
| 6 | LBRT |
Liberty Energy Inc.
|
870,134 | $25,059,859 | |
| 7 | FTK |
Flotek Industries Inc/Cn/
|
968,657 | $16,438,109 | |
| 8 | OIS |
Oil States International, Inc
|
1,328,078 | $15,458,827 |
All Filings in TS
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||