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

Institutional Holders (2014Q1)
Portfolio Summary: 341 Institutional holders with a total value of $4,223,088,530.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Artisan Partners Limited Partnership 9,979,878 316,163,000 7.49%
2 WELLINGTON MANAGEMENT GROUP LLP 8,805,513 278,958,000 6.61%
3 VANGUARD GROUP INC 8,217,937 260,344,000 6.16%
4 STATE STREET CORP 4,433,778 140,460,000 3.33%
5 BlackRock Fund Advisors 4,347,784 137,738,000 3.26%
6 BlackRock Institutional Trust Company, N.A. 4,104,238 130,022,000 3.08%
7 JPMORGAN CHASE & CO 3,954,642 125,284,000 2.97%
8 DIMENSIONAL FUND ADVISORS LP 3,635,230 115,147,000 2.73%
9 Invesco Ltd. 3,492,588 110,645,000 2.62%
10 MILLENNIUM MANAGEMENT LLC 2,590,173 82,057,000 1.94%
11 PRINCIPAL FINANCIAL GROUP INC 2,534,210 80,284,000 1.90%
12 JENNISON ASSOCIATES LLC 2,435,439 77,155,000 1.83%
13 Bank of New York Mellon Corp 2,241,657 71,015,000 1.68%
14 GUGGENHEIM CAPITAL LLC 2,234,508 70,789,000 1.68%
15 TWO SIGMA INVESTMENTS, LP 2,037,279 64,542,000 1.53%
16 MACQUARIE GROUP LTD 2,010,554 63,694,000 1.51%
17 PRUDENTIAL PLC 1,762,300 55,830,000 1.32%
18 First Pacific Advisors, LP 1,451,618 45,987,000 1.09%
19 ROYAL BANK OF CANADA 1,440,875 45,648,000 1.08%
20 NORTHERN TRUST CORP 1,400,924 44,382,000 1.05%
21 COLUMBUS CIRCLE INVESTORS 1,363,918 43,209,000 1.02%
22 NORGES BANK 1,353,370 42,875,000 1.02%
23 KAHN BROTHERS GROUP INC 1,318,592 41,772,995 0.99%
24 ROYCE & ASSOCIATES LP 1,311,477 41,548,000 0.98%
25 WADDELL & REED FINANCIAL INC 1,204,300 38,152,000 0.90%
26 SCOUT INVESTMENTS, INC. 1,183,184 37,483,000 0.89%
27 SUNTRUST BANKS INC 1,056,215 33,460,000 0.79%
28 PRICE T ROWE ASSOCIATES INC /MD/ 1,051,607 33,315,000 0.79%
29 TIAA CREF INVESTMENT MANAGEMENT LLC 1,038,295 32,893,000 0.78%
30 MORGAN STANLEY 1,014,734 32,146,000 0.76%
31 AQR CAPITAL MANAGEMENT LLC 1,013,448 32,106,000 0.76%
32 GOLDMAN SACHS GROUP INC 934,006 29,589,000 0.70%
33 KGH Ltd 900,294 28,512,000 0.68%
34 RENAISSANCE TECHNOLOGIES LLC 893,034 28,291,000 0.67%
35 DEUTSCHE BANK AG\ 868,590 27,516,000 0.65%
36 MSD Partners, L.P. 863,377 27,352,000 0.65%
37 RUSSELL FRANK CO/ 858,580 27,204,000 0.64%
38 Visium Asset Management, LP 857,523 27,167,000 0.64%
39 VOYA INVESTMENT MANAGEMENT LLC 840,572 26,630,000 0.63%
40 D. E. Shaw & Co., Inc. 829,923 26,292,000 0.62%
41 GEODE CAPITAL MANAGEMENT, LLC 808,409 25,610,000 0.61%
42 Numeric Investors LLC 776,800 24,609,000 0.58%
43 PGGM Investments 774,021 24,521,000 0.58%
44 BANK OF AMERICA CORP /DE/ 772,319 24,467,000 0.58%
45 CI INVESTMENTS INC. 764,200 24,210,000 0.57%
46 WELLS FARGO & COMPANY/MN 732,165 23,193,000 0.55%
47 TWO SIGMA ADVISERS, LP 717,029 22,716,000 0.54%
48 SEIZERT CAPITAL PARTNERS, LLC 714,545 22,637,000 0.54%
49 Ninety One UK Ltd 706,487 22,382,000 0.53%
50 FMR LLC 701,200 22,214,000 0.53%
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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.