VANGUARD PORTFOLIO MANAGEMENT LLC
Position in PTEN — Patterson Uti Energy Inc
CIK 2100121
MALVERN, PA
Position in PTEN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$249,733,683
-$43,321,330 QoQ
Shares Held
27,204,105
+0.5% QoQ
Ownership
7.13%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#2
of 435 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in PTEN Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Drilling
Energy · as of Jun 30, 2026VANGUARD PORTFOLIO MANAGEMENT LLC holds $1,292,550,681 across 9 Oil & Gas Drilling names. PTEN ranks #2 (19.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NE |
Noble Corp plc
|
8,097,335 | $302,030,595 | |
| 2 | PTEN |
Patterson Uti Energy Inc
This page
|
27,204,105 | $249,733,683 | |
| 3 | RIG |
Transocean Ltd.
|
49,296,587 | $241,060,310 | |
| 4 | VAL |
Valaris Ltd
|
2,904,518 | $210,868,006 | |
| 5 | HP |
Helmerich & Payne, Inc.
|
6,176,754 | $202,226,925 | |
| 6 | NBR |
Nabors Industries Ltd
|
460,439 | $38,681,480 | |
| 7 | SDRL |
SEADRILL Ltd
|
859,287 | $32,498,234 | |
| 8 | BORR |
Borr Drilling Ltd
|
2,224,403 | $9,186,784 |
All Filings in PTEN
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $249,733,683 | 27,204,105 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $293,055,013 | 27,059,558 | Shares | Defined | 2026-05-08 | |
| 2026-03-31 | $294,500,146 | 27,192,996 | Shares | Sole | 2026-04-29 | |
| No filing history on record for this holder in this stock. | ||||||