13F Insight
DOSSIER · 13F Holders · Q1 2026Energy · Drilling Oil & Gas WellsMost-boughtAI cap-ex
PTEN

PATTERSON-UTI ENERGY INC

435 institutions still hold PATTERSON-UTI ENERGY INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 703481101·Drilling Oil & Gas Wells·435 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 3.1%
vs prior quarter
13F value held
$3.0B
60.0% inst. owned
of float
Holders
435
-114 QoQ
filers reporting
Activity
+8 / −43
+876 added · −919 reduced
this quarter
Concentration
21.89%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

435 institutions reported PTEN in Q1 2026. BlackRock, Inc. leads at 21.9% of the visible book. -114 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$659M60.9M0.01%Q1 202602
Vanguard Portfolio Management
CIK 0002100121
$293M27.1M0.02%Q1 202603
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$230M21.2M0.05%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$180M16.6M0.00%Q1 202605
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$178M16.4M0.09%Q1 202606
Sourcerock Group LLC
CIK 0001822531
$177M16.3M7.12%Q1 202607
GOLDMAN SACHS GROUP INC
CIK 0000886982
$165M15.2M0.02%Q1 202608
STATE STREET CORP
CIK 0000093751
$162M15.0M0.01%Q1 202609
Invesco Ltd.
CIK 0000914208
$145M13.4M0.02%Q1 202610
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 0001082327
$133M12.3M0.45%Q1 202611
PRINCIPAL FINANCIAL GROUP INC
CIK 0001126328
$102M9.5M0.05%Q1 202612
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$96M8.8M0.01%Q1 202613
Blackstone Inc.
CIK 0001393818
$77M7.1M0.30%Q1 202614
MORGAN STANLEY
CIK 0000895421
$75M6.9M0.00%Q1 202615
Delaware Management Holdings, Inc.
CIK 0000921739
$73M6.7M0.12%Q1 202616
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$57M5.3M0.02%Q1 202617
Fisher Asset Management, LLC
CIK 0000850529
$56M5.2M0.02%Q1 202618
VICTORY CAPITAL MANAGEMENT INC
CIK 0001040188
$53M4.9M0.03%Q1 202619
BANK OF AMERICA CORP /DE/
CIK 0000070858
$53M4.9M0.00%Q1 202620
Monaco Asset Management SAM
CIK 0001803593
$50M4.6M9.20%Q1 2026
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