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

Institutional Holders (2014Q2)
Portfolio Summary: 357 Institutional holders with a total value of $4,617,997,721.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 8,375,887 292,653,000 6.34%
2 Artisan Partners Limited Partnership 7,647,356 267,199,000 5.79%
3 WELLINGTON MANAGEMENT GROUP LLP 5,857,634 204,666,000 4.43%
4 STATE STREET CORP 4,546,441 158,852,000 3.44%
5 BlackRock Fund Advisors 4,494,939 157,053,000 3.40%
6 BlackRock Institutional Trust Company, N.A. 3,971,845 138,776,000 3.01%
7 DIMENSIONAL FUND ADVISORS LP 3,673,066 128,332,000 2.78%
8 JPMORGAN CHASE & CO 3,485,497 121,781,000 2.64%
9 Invesco Ltd. 3,219,178 112,478,000 2.44%
10 PRINCIPAL FINANCIAL GROUP INC 2,717,174 94,938,000 2.06%
11 JENNISON ASSOCIATES LLC 2,456,958 85,846,000 1.86%
12 COLUMBUS CIRCLE INVESTORS 2,283,077 79,771,000 1.73%
13 Bank of New York Mellon Corp 2,175,184 76,001,000 1.65%
14 GUGGENHEIM CAPITAL LLC 2,118,361 74,015,000 1.60%
15 MACQUARIE GROUP LTD 1,991,547 69,585,000 1.51%
16 SCOUT INVESTMENTS, INC. 1,941,416 67,833,000 1.47%
17 MILLENNIUM MANAGEMENT LLC 1,918,107 67,019,000 1.45%
18 PRUDENTIAL PLC 1,780,200 62,200,000 1.35%
19 TAUBE HODSON STONEX PARTNERS LLP 1,639,809 57,295,000 1.24%
20 AQR CAPITAL MANAGEMENT LLC 1,590,548 55,574,000 1.20%
21 Visium Asset Management, LP 1,564,106 54,649,000 1.18%
22 Numeric Investors LLC 1,484,510 51,869,000 1.12%
23 AMERICAN CENTURY COMPANIES INC 1,478,694 51,666,000 1.12%
24 MSD Partners, L.P. 1,443,822 50,447,000 1.09%
25 NORTHERN TRUST CORP 1,396,089 48,780,000 1.06%
26 NORGES BANK 1,353,370 47,287,000 1.02%
27 First Pacific Advisors, LP 1,246,800 43,563,000 0.94%
28 RUSSELL FRANK CO/ 1,215,313 42,455,000 0.92%
29 WADDELL & REED FINANCIAL INC 1,204,200 42,074,000 0.91%
30 PRICE T ROWE ASSOCIATES INC /MD/ 1,173,885 41,016,000 0.89%
31 TIAA CREF INVESTMENT MANAGEMENT LLC 1,160,224 40,538,000 0.88%
32 ROYCE & ASSOCIATES LP 1,125,165 39,313,000 0.85%
33 MORGAN STANLEY 1,084,631 37,897,000 0.82%
34 VIRTUS CAPITAL ADVISERS, LLC 961,650 33,600,000 0.73%
35 VOYA INVESTMENT MANAGEMENT LLC 924,509 32,303,000 0.70%
36 KAHN BROTHERS GROUP INC 903,754 31,577,165 0.68%
37 LOS ANGELES CAPITAL MANAGEMENT LLC 882,235 30,825,000 0.67%
38 ACADIAN ASSET MANAGEMENT LLC 866,366 30,272,000 0.66%
39 ROYAL BANK OF CANADA 857,768 29,971,000 0.65%
40 BANK OF AMERICA CORP /DE/ 816,349 28,522,000 0.62%
41 PGGM Investments 813,437 28,421,000 0.62%
42 GEODE CAPITAL MANAGEMENT, LLC 799,972 27,951,000 0.61%
43 GOLDMAN SACHS GROUP INC 741,776 25,917,000 0.56%
44 FMR LLC 717,292 25,062,000 0.54%
45 CANADA PENSION PLAN INVESTMENT BOARD 703,900 24,594,000 0.53%
46 FIL Ltd 678,835 23,718,000 0.51%
47 VAN ECK ASSOCIATES CORP 645,469 22,553,000 0.49%
48 D. E. Shaw & Co., Inc. 640,336 22,373,000 0.48%
49 WEDGE CAPITAL MANAGEMENT L L P/NC 629,475 21,994,000 0.48%
50 CLOUGH CAPITAL PARTNERS L P 597,000 20,859,000 0.45%
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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.