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Notable Holders of Patterson-UTI Energy, Inc. (PTEN)

  |   Expand Research on PTEN   |   * Does Not Fully Represent All Holders
Fund Title Shares % Owned Source
VANGUARD GROUP INC COM 6,407,691 4.12% 13F
Fidelity Investments COM 6,014,408 3.86% 13F
BlackRock Institutional Trust Company, N.A. COM 3,699,176 2.38% 13F
BlackRock Fund Advisors COM 3,428,448 2.20% 13F
DIMENSIONAL FUND ADVISORS LP COM 2,875,954 1.85% 13F
RENAISSANCE TECHNOLOGIES LLC COM 2,636,438 1.69% 13F
CHILTON INVESTMENT CO LLC COMMON STOCK 2,562,614 1.65% 13F
WADDELL & REED FINANCIAL INC COM 2,558,700 1.64% 13F
First Pacific Advisors, LLC CS 2,553,618 1.64% 13F
HEARTLAND ADVISORS INC COM 2,489,655 1.60% 13F
FRIESS ASSOCIATES LLC COM 2,419,100 1.55% 13F
JPMORGAN CHASE & CO COMMON 2,075,599 1.33% 13F
CRAMER ROSENTHAL MCGLYNN LLC COMMON STOCKS 2,033,930 1.31% 13F
DEUTSCHE BANK AG\ COM 1,802,096 1.16% 13F
BLACKROCK ADVISORS LLC COM 1,778,363 1.14% 13F
MORGAN STANLEY COM 1,472,029 0.95% 13F
Invesco Ltd. COMMON 1,326,860 0.85% 13F
Highbridge Capital COMMON 1,312,330 0.84% 13F
AMERIPRISE FINANCIAL INC COM 1,246,872 0.80% 13F
THOMPSON SIEGEL & WALMSLEY LLC COM 1,181,943 0.76% 13F
SOUND ENERGY PARTNERS, INC. COM 1,112,500 0.71% 13F
NORTHERN TRUST CORP COM 1,061,346 0.68% 13F
RUSSELL FRANK CO/ COMMON STOCKS 1,050,586 0.68% 13F
ARONSON & JOHNSON & ORTIZ, LP COM 1,049,000 0.67% 13F
SNYDER CAPITAL MANAGEMENT L P COM 1,045,244 0.67% 13F
JACOBS LEVY EQUITY MANAGEMENT INC COM 909,620 0.58% 13F
Origin Asset Management LLP COM 899,769 0.58% 13F
Artisan Partners Limited Partnership COM 866,600 0.56% 13F
PRINCIPAL FINANCIAL GROUP INC COM 854,485 0.55% 13F
NEW YORK STATE COMMON RETIREMENT FUND COMMON STOCK 772,060 0.50% 13F
CHICAGO EQUITY PARTNERS LLC COM 762,045 0.49% 13F
SNOW CAPITAL MANAGEMENT LP COM 739,522 0.48% 13F
JANUS CAPITAL MANAGEMENT LLC COM 729,200 0.47% 13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM * PATTERSON UTI ENERGY 702,367 0.45% 13F
CITIGROUP INC COM 667,777 0.43% 13F
TWO SIGMA INVESTMENTS LLC COM 601,770 0.39% 13F
LEUTHOLD WEEDEN CAPITAL MANAGEMENT COM 554,746 0.36% 13F
TIAA CREF INVESTMENT MANAGEMENT LLC COM 537,636 0.35% 13F
Adage Capital COM 517,900 0.33% 13F
MADISON SQUARE INVESTORS LLC. COM 510,943 0.33% 13F
SEWARD & KISSEL LLP COM 506,596 0.33% 13F
RESTRUCTURING CAPITAL ASSOCIATES LP COM 506,596 0.33% 13F
GEODE CAPITAL MANAGEMENT LLC COM 489,558 0.31% 13F
ROYCE & ASSOCIATES LLC COM 479,977 0.31% 13F
LEGAL & GENERAL GROUP PLC COM 474,419 0.30% 13F
BlackRock Investment Management, LLC COM 468,441 0.30% 13F
ING INVESTMENT MANAGEMENT CO COM 415,900 0.27% 13F
WALL STREET ASSOCIATES COM 415,418 0.27% 13F
SAC Capital COMMON 414,423 0.27% 13F
Jetstream Capital LLC COM 413,400 0.27% 13F
BlackRock Group LTD COM 408,551 0.26% 13F
Cambrian Capital Limited Partnership COM 407,968 0.26% 13F
ROYAL BANK OF CANADA \ COM 381,884 0.25% 13F
AQR CAPITAL MANAGEMENT LLC COM 373,029 0.24% 13F
OPPENHEIMER FUNDS INC COM 371,613 0.24% 13F
AMERICAN INTERNATIONAL GROUP INC COM 370,930 0.24% 13F
Bridgewater Associates, LP COM 364,388 0.23% 13F
NEW YORK STATE TEACHERS RETIREMENT SYSTEM COM 362,989 0.23% 13F
Goldman Sachs Asset Management, L.P. CMN 356,460 0.23% 13F
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO COM 342,102 0.22% 13F
BARCLAYS PLC (CALL) OPT 338,000 0.22% 13F
Energy Opporutunities Capital Management, LLC COM 321,094 0.21% 13F
CADENCE CAPITAL MANAGEMENT LLC COM 317,890 0.20% 13F
WELLS FARGO & CO/MN DOMESTIC COMMON 316,188 0.20% 13F
BlackRock Inc. COM 310,870 0.20% 13F
BLACKTHORN INVESTMENT GROUP LLC COM 300,000 0.19% 13F
ANALYTIC INVESTORS INC/CA 299,486 0.19% 13F
HBK INVESTMENTS L P COM 272,498 0.18% 13F
OMERS ADMINISTRATION CORP COM 266,900 0.17% 13F
COPIA CAPITAL LLC COM 265,754 0.17% 13F
DUPONT CAPITAL MANAGEMENT Corp COMMON STOCK 257,221 0.17% 13F
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 255,169 0.16% 13F
BATTERYMARCH FINANCIAL MANAGEMENT INC COM 243,400 0.16% 13F
ARROWSTREET CAPITAL LIMITED PARTNERSHIP COM 239,353 0.15% 13F
CREDIT SUISSE AG/ COM 238,414 0.15% 13F
CAXTON ASSOCIATES LP COM 234,859 0.15% 13F
Manulife Asset Management (North America) Ltd COM 234,668 0.15% 13F
SIGMA CAPITAL MANAGEMENT LLC COMMON 229,050 0.15% 13F
HELLMAN JORDAN MANAGEMENT CO INC /MA/ COM 222,995 0.14% 13F
STATE OF WISCONSIN INVESTMENT BOARD COM 218,329 0.14% 13F
ALLIANZ GLOBAL INVESTORS OF AMERICA L P COM 197,400 0.13% 13F
PARAMETRIC PORTFOLIO ASSOCIATES Common Stock 192,058 0.12% 13F
CASTLEARK MANAGEMENT LLC COM 177,110 0.11% 13F
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC EQTY US OTC 173,450 0.11% 13F
OTTER CREEK MANAGEMENT INC COM 168,179 0.11% 13F
GRACE & WHITE INC /NY COM 163,886 0.11% 13F
Highfields Capital COM 160,000 0.10% 13F
Perella Weinberg Partners Capital Management LP COM 141,590 0.09% 13F
UBS AG COM 137,644 0.09% 13F
COMERICA BANK COM 136,192 0.09% 13F
GUGGENHEIM CAPITAL LLC COM 130,762 0.08% 13F
HERNDON CAPITAL MANAGEMENT COMMON STOCK 129,922 0.08% 13F
SCHWAB CHARLES INVESTMENT MANAGEMENT INC COM 120,288 0.08% 13F
SG Americas Securities, LLC 119,193 0.08% 13F
Iridian Asset Management COM 113,975 0.07% 13F
Timber Hill LLC (PUT) PUT 110,600 0.07% 13F
Smith, Salley & Associates COM 108,918 0.07% 13F
MILLENNIUM MANAGEMENT LLC COM 105,028 0.07% 13F
SCHRODER INVESTMENT MANAGEMENT GROUP COM 93,600 0.06% 13F
LANE DOUGLAS C & ASSOCIATES INC COMMON 92,549 0.06% 13F
KING LUTHER CAPITAL MANAGEMENT CORP COM 82,356 0.05% 13F
STATE TREASURER STATE OF MICHIGAN COM 80,900 0.05% 13F
UNITED SERVICES AUTOMOBILE ASSOCIATION COMMON 80,337 0.05% 13F
AMERICAN FINANCIAL GROUP INC COM 80,000 0.05% 13F
BMO FINANCIAL CORP COM 79,488 0.05% 13F
Citadel (CALL) CMN 79,200 0.05% 13F
SPARK LP /DE COM 77,800 0.05% 13F
Mizuho Asset Management Co.,Ltd. COM 77,600 0.05% 13F
Irish Life Investment Managers COM 77,522 0.05% 13F
KNIGHT CAPITAL GROUP, INC. COM 73,533 0.05% 13F
Dynamic Capital Management Ltd COM 73,100 0.05% 13F
GOLDEN CAPITAL MANAGEMENT LLC 72,129 0.05% 13F
Liberty Mutual Group Asset Management Inc. COM 70,467 0.05% 13F
WENTWORTH HAUSER & VIOLICH COM 67,765 0.04% 13F
Black River Asset Management LLC COM 65,100 0.04% 13F
BRYN MAWR CAPITAL MANAGEMENT INC COM 64,500 0.04% 13F
MARTINGALE ASSET MANAGEMENT L P COM 64,430 0.04% 13F
GABELLI FUNDS LLC COM 61,000 0.04% 13F
FIRST TRUST ADVISORS LP COM 60,871 0.04% 13F
TEACHERS ADVISORS INC COM 60,026 0.04% 13F
Advanced Investment Partners, LLC COM 59,940 0.04% 13F
MASON STREET ADVISORS LLC COM 59,100 0.04% 13F
WESTCLIFF CAPITAL MANAGEMENT LLC/CA COM 58,698 0.04% 13F
TWO SIGMA ADVISERS, LLC COM 56,100 0.04% 13F
AlphaOne Investment Services, LLC Common 55,600 0.04% 13F
ZWEIG DIMENNA PARTNERS L P COMMON STOCK 55,420 0.04% 13F
GLENMEDE TRUST CO NA COMMON 54,576 0.04% 13F
FIRST NEW YORK SECURITIES LLC /NY COM 52,000 0.03% 13F
Legg Mason Asset Management (Japan) Co., Ltd. COM 48,500 0.03% 13F
Teton Advisors, Inc. COM 47,676 0.03% 13F
Concert Wealth Management Inc. COM 45,981 0.03% 13F
PRICE T ROWE ASSOCIATES INC /MD/ COMM STK 43,837 0.03% 13F
Walleye Trading LLC (PUT) COM 42,300 0.03% 13F
LSV ASSET MANAGEMENT COM 41,300 0.03% 13F
VIRGINIA RETIREMENT SYSTEMS ET AL COM 40,500 0.03% 13F
JENNISON ASSOCIATES LLC COM 39,204 0.03% 13F
SKBA CAPITAL MANAGEMENT LLC COM 37,600 0.02% 13F
Stux Capital Management, LLC COM 36,800 0.02% 13F
NORTHPOINTE CAPITAL LLC COM 36,430 0.02% 13F
SCHWARTZ INVESTMENT COUNSEL INC COM 33,700 0.02% 13F
PEAK6 Investments, L.P. COM 31,494 0.02% 13F
STRAUS CAPITAL MANAGEMENT, L.L.C. COM 30,000 0.02% 13F
Advisors Asset Management, Inc. COM 29,545 0.02% 13F
World Asset Management Inc COM 28,204 0.02% 13F
ZACKS INVESTMENT MANAGEMENT COM 27,596 0.02% 13F
Clough Capital COM 27,300 0.02% 13F
ROYAL LONDON ASSET MANAGEMENT LTD COM 27,174 0.02% 13F
GAMCO Investors COM 27,000 0.02% 13F
Grantham, Mayo, Van Otterloo & Co. LLC COM 26,600 0.02% 13F
NOMURA HOLDINGS INC CMN 25,597 0.02% 13F
Parametrica Management Ltd COM 24,237 0.02% 13F
SUNTRUST BANKS INC 21,318 0.01% 13F
FIRST MERCANTILE TRUST CO COMMON STOCK USD.01 20,730 0.01% 13F
HSBC HOLDINGS PLC 20,571 0.01% 13F
Raymond James Financial Services Advisors, Inc. COM 20,331 0.01% 13F
BLAIR WILLIAM & CO/IL COM 20,065 0.01% 13F
MFC GLOBAL INVESTMENT MANAGEMENT (U.S.), LLC COM 19,557 0.01% 13F
Santa Fe Partners LLC COM 18,766 0.01% 13F
TWIN CAPITAL MANAGEMENT INC COM 17,600 0.01% 13F
Campbell & CO Investment Adviser LLC COMMON STOCK 17,198 0.01% 13F
ALLSTATE CORP COMMON 16,900 0.01% 13F
LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC COM 16,290 0.01% 13F