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PATTERSON UTI ENERGY INC
PATTERSON UTI ENERGY INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 300 Institutional holders with a total value of $2,831,957,415.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WELLINGTON MANAGEMENT GROUP LLP 14,188,720 266,962,000 9.43%
2 VANGUARD GROUP INC 9,796,794 184,327,000 6.51%
3 MILLENNIUM MANAGEMENT LLC 5,774,284 108,643,000 3.84%
4 JENNISON ASSOCIATES LLC 5,398,340 101,570,000 3.59%
5 DIMENSIONAL FUND ADVISORS LP 5,261,147 98,990,000 3.50%
6 BlackRock Fund Advisors 5,186,406 97,582,000 3.45%
7 VIRTUS CAPITAL ADVISERS, LLC 4,999,199 94,059,000 3.32%
8 BlackRock Institutional Trust Company, N.A. 4,118,583 77,491,000 2.74%
9 STATE STREET CORP 3,941,182 74,156,000 2.62%
10 Kiltearn Partners LLP 3,894,400 73,273,000 2.59%
11 Bank of New York Mellon Corp 3,477,365 65,428,000 2.31%
12 IVORY INVESTMENT MANAGEMENT, LLC 3,412,992 64,216,000 2.27%
13 DEPRINCE RACE & ZOLLO INC 3,312,345 62,322,000 2.20%
14 Alyeska Investment Group, L.P. 3,140,428 59,087,000 2.09%
15 AMERIPRISE FINANCIAL INC 3,121,652 58,734,000 2.07%
16 PRUDENTIAL PLC 3,007,900 56,594,000 2.00%
17 Invesco Ltd. 2,505,745 47,145,000 1.66%
18 JPMORGAN CHASE & CO 2,453,440 46,160,000 1.63%
19 MACQUARIE GROUP LTD 2,310,393 43,470,000 1.53%
20 NORGES BANK 1,781,664 33,522,000 1.18%
21 OppenheimerFunds, Inc. 1,640,020 30,857,000 1.09%
22 TIAA CREF INVESTMENT MANAGEMENT LLC 1,559,890 29,349,000 1.04%
23 PRICE T ROWE ASSOCIATES INC /MD/ 1,459,347 27,458,000 0.97%
24 WADDELL & REED FINANCIAL INC 1,445,150 27,191,000 0.96%
25 WELLS FARGO & COMPANY/MN 1,434,561 26,983,000 0.95%
26 Elm Ridge Management, LLC 1,340,509 25,222,000 0.89%
27 RUSSELL FRANK CO/ 1,291,386 24,296,000 0.86%
28 GUGGENHEIM CAPITAL LLC 1,256,511 23,641,000 0.83%
29 NORTHERN TRUST CORP 1,209,183 22,750,000 0.80%
30 KAHN BROTHERS GROUP INC 1,019,891 19,189,249 0.68%
31 Energy Opportunities Capital Management, LLC 1,006,171 18,931,000 0.67%
32 VAN ECK ASSOCIATES CORP 967,552 18,204,000 0.64%
33 TEACHERS ADVISORS, LLC 955,646 17,980,000 0.63%
34 GEODE CAPITAL MANAGEMENT, LLC 893,674 16,814,000 0.59%
35 FULLER & THALER ASSET MANAGEMENT, INC. 884,277 16,638,000 0.59%
36 Ninety One UK Ltd 872,575 16,417,000 0.58%
37 FIRST TRUST ADVISORS LP 869,436 16,358,000 0.58%
38 Cortina Asset Management, LLC 863,319 16,243,000 0.57%
39 Pine River Capital Management L.P. 835,588 15,721,000 0.56%
40 D. E. Shaw & Co., Inc. 828,389 15,586,000 0.55%
41 GENERAL ELECTRIC CO 827,303 15,566,000 0.55%
42 EAGLE ASSET MANAGEMENT INC 823,867 15,501,000 0.55%
43 Century Capital Management, LLC 794,289 14,945,000 0.53%
44 BANK OF AMERICA CORP /DE/ 785,768 14,784,000 0.52%
45 CITADEL ADVISORS LLC 762,465 14,346,000 0.51%
46 THRIVENT FINANCIAL FOR LUTHERANS 750,910 14,128,000 0.50%
47 DALTON GREINER HARTMAN MAHER & CO 741,974 13,960,000 0.49%
48 BLACKROCK ADVISORS LLC 734,378 13,817,000 0.49%
49 HBK INVESTMENTS L P 725,700 13,654,000 0.48%
50 VIKING FUND MANAGEMENT LLC 720,000 13,547,000 0.48%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.