Stock Ownership/PTEN

PATTERSON-UTI ENERGY INC (PTEN): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in PTEN · Energy. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
21
13F filers
Aggregate Value
$259.5M
Across holders
Last Price
$11.86
2026-08-24
Sector
Energy
GICS
Quarterly fund activity10 increased11 reduced8 exited
Full exits: MAVERICK CAPITAL LTD, Point72 Asset Management, L.P., Hudson Bay Capital Management LP, Lighthouse Investment Partners, LLC, BALYASNY ASSET MANAGEMENT LLC, MARSHALL WACE, LLP, Holocene Advisors, LP, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Institutional Holders of PTEN
↗
21 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund7.96M$73.0M28.1%0.1%Added+$35.1MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager3.13M$28.7M11.1%0.0%Reduced$-18.7MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund2.93M$26.9M10.4%0.0%Added+$26.6MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund2.60M$23.8M9.2%0.0%Reduced$-9.1MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.95M$17.9M6.9%0.0%Added+$17.2MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund1.68M$15.4M5.9%0.0%Added—Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLC
CIK 0001556921
Hedge Fund1.50M$13.8M5.3%0.1%Added+$3.3MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund1.20M$11.0M4.2%0.0%Added+$6.2MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund1.17M$10.8M4.1%0.0%Reduced$-19.9MQ2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund1.15M$10.6M4.1%0.0%Added+$9.8MQ2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$73.0M· 28.1% of total· 0.1% port· 7.96M sh· +$35.1M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$28.7M· 11.1% of total· 0.0% port· 3.13M sh· $-18.7M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$26.9M· 10.4% of total· 0.0% port· 2.93M sh· +$26.6M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$23.8M· 9.2% of total· 0.0% port· 2.60M sh· $-9.1M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$17.9M· 6.9% of total· 0.0% port· 1.95M sh· +$17.2M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$15.4M· 5.9% of total· 0.0% port· 1.68M sh· — QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCAdded
Hedge Fund
$13.8M· 5.3% of total· 0.1% port· 1.50M sh· +$3.3M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$11.0M· 4.2% of total· 0.0% port· 1.20M sh· +$6.2M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$10.8M· 4.1% of total· 0.0% port· 1.17M sh· $-19.9M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$10.6M· 4.1% of total· 0.0% port· 1.15M sh· +$9.8M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$9.8M· 3.8% of total· 0.0% port· 1.07M sh· $-9.0M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$8.2M· 3.2% of total· 0.0% port· 896K sh· $-40.4M QoQ· Q2 2026
CAXTON ASSOCIATES LLPReduced
Hedge Fund
$2.4M· 0.9% of total· 0.0% port· 261K sh· $-1.5M QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$1.8M· 0.7% of total· 0.0% port· 200K sh· $-43K QoQ· Q2 2026
Fulcrum Asset Management LLPReduced
Hedge Fund
$1.7M· 0.6% of total· 0.2% port· 173K sh· $-7.3M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$1.5M· 0.6% of total· 0.0% port· 167K sh· +$778K QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$772K· 0.3% of total· 0.0% port· 84K sh· $-3K QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$628K· 0.2% of total· 0.0% port· 68K sh· +$414K QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$509K· 0.2% of total· 0.0% port· 55K sh· $-9K QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$158K· 0.1% of total· 0.0% port· 17K sh· $-2.7M QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$95K· 0.0% of total· 0.0% port· 10K sh· +$10K QoQ· Q2 2026
1–10 of 21
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