Driehaus Capital Management LLC
Position in OIS — Oil States International, Inc
CIK 938206
Chicago, IL
Position in OIS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$15,458,827
New position
Shares Held
1,328,078
first reported quarter
Ownership
2.21%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority
Sole 77.36413072123776.ToString("F0")%
Shared 0.ToString("F0")%
None 22.63586927876224.ToString("F0")%
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. OIS ranks #8 (4.1% 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
|
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
This page
|
1,328,078 | $15,458,827 |
All Filings in OIS
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $15,458,827 | 1,328,078 | Shares | Sole | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||