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Patterson-UTI Energy PTEN

US equityMarket cap rank #2200
$11.55 +$0.34 (+3.03%)
Market closed · Oct 5, 10:20 pm ET · Last extended-hours $11.57 +0.17%
Open$11.17
Prev close$11.21
Day range$11.07 – $11.78
Volume6.82M
Market cap$4.40B
P/E (TTM)–
Dividend yield3.12%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership114.1%-0.19 pts vs. prior quarter
Institutions holding502-3 vs. prior quarter
Insider trades (recent)12 buys / 38 sellsNet selling
Short interest8.98% of floatDays to cover 4.4 · as of 15 Sep 2026
Short-sale volume share20.4%5-day average of daily volume

Short-sale volume as % of daily volume

15%20%25%29%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$569.8K (9 inflow days, 11 outflow days).

The five largest holders on file together own 38.8% of shares outstanding.

Largest holders

  • BlackRock16.49%
  • Vanguard Portfolio Management, LLC7.13%
  • Dimensional Fund Advisors5.97%
  • Vanguard Capital Management, LLC4.98%
  • American Century Investment Management4.26%
  • State Street Global Advisors3.96%
  • Sourcerock Group LLC3.82%
  • The Goldman Sachs Group, Inc.3.32%

By investor type

  • Mutual Fund88.53%
  • Hedge Fund16.36%
  • Public Company5.89%
  • Individual/Insider1.76%
  • Government Pension Fund1.59%
  • Private Company0.67%
  • VC/PE Fund0.59%
  • Insurance Company0.25%

Reported short interest has risen from 7.99% to 8.98% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 34,265,673 9.0% 4.4
31 Aug 2026 38,311,384 10.0% 4.9
14 Aug 2026 29,162,834 7.6% 3.9
31 Jul 2026 30,191,174 8.0% 3.1
15 Jul 2026 28,450,788 7.5% 3.1
30 Jun 2026 30,324,436 8.0% 2.8

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