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PIONEER NAT RES CO
PIONEER NAT RES CO. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 601 Institutional holders with a total value of $25,519,162,088.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRICE T ROWE ASSOCIATES INC /MD/ 17,128,799 3,205,483,000 12.56%
2 Capital World Investors 11,234,900 2,102,499,000 8.24%
3 WELLINGTON MANAGEMENT GROUP LLP 10,201,342 1,909,079,000 7.48%
4 VANGUARD GROUP INC 7,262,396 1,359,085,000 5.33%
5 STATE STREET CORP 6,685,460 1,251,113,000 4.90%
6 Neuberger Berman Group LLC 6,090,264 1,139,732,000 4.47%
7 SPO ADVISORY CORP 5,031,789 941,649,000 3.69%
8 FMR LLC 4,692,105 878,080,000 3.44%
9 WELLS FARGO & COMPANY/MN 3,685,825 689,765,000 2.70%
10 BlackRock Institutional Trust Company, N.A. 3,591,561 672,125,000 2.63%
11 BlackRock Fund Advisors 2,127,723 398,182,000 1.56%
12 NORTHERN TRUST CORP 1,940,146 363,079,000 1.42%
13 VIKING GLOBAL INVESTORS LP 1,637,536 306,448,000 1.20%
14 VAN ECK ASSOCIATES CORP 1,492,627 279,330,000 1.09%
15 Bank of New York Mellon Corp 1,456,577 272,583,000 1.07%
16 JPMORGAN CHASE & CO 1,410,745 264,007,000 1.03%
17 COLUMBUS CIRCLE INVESTORS 1,363,061 255,083,000 1.00%
18 Invesco Ltd. 1,355,237 253,619,000 0.99%
19 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,355,118 253,596,783 0.99%
20 Winslow Capital Management, LLC 1,288,554 241,140,000 0.94%
21 SUSQUEHANNA INTERNATIONAL GROUP, LLP 1,258,700 235,553,000 0.92% Put
22 PAULSON & CO. INC. 1,098,700 205,611,000 0.81%
23 TIAA CREF INVESTMENT MANAGEMENT LLC 1,075,131 201,200,000 0.79%
24 LORD, ABBETT & CO. LLC 1,060,217 198,409,000 0.78%
25 GEODE CAPITAL MANAGEMENT, LLC 1,033,896 193,399,000 0.76%
26 BlackRock Group LTD 1,011,967 189,378,000 0.74%
27 BANK OF AMERICA CORP /DE/ 990,007 185,270,000 0.73%
28 NORGES BANK 964,875 180,567,000 0.71%
29 GOLDMAN SACHS GROUP INC 893,343 167,181,000 0.66%
30 ABRAMS BISON INVESTMENTS, LLC 847,666 158,632,000 0.62%
31 Aristotle Capital Management, LLC 761,495 142,506,000 0.56%
32 STEADFAST CAPITAL MANAGEMENT LP 741,393 138,744,000 0.54%
33 AMERIPRISE FINANCIAL INC 729,306 136,495,000 0.53%
34 Magnetar Financial LLC 628,821 117,678,000 0.46%
35 DEUTSCHE BANK AG\ 626,442 117,228,000 0.46%
36 FRONTIER INVESTMENT MGMT CO 625,121 116,985,000 0.46%
37 Allianz Asset Management GmbH 611,431 114,423,000 0.45%
38 ADVISORY RESEARCH INC 609,585 114,078,000 0.45%
39 PointState Capital LP 585,375 109,547,000 0.43%
40 Legal & General Group Plc 580,742 108,680,000 0.43%
41 SUSQUEHANNA INTERNATIONAL GROUP, LLP 549,600 102,852,000 0.40% Call
42 RUSSELL FRANK CO/ 474,083 94,512,000 0.37%
43 NEW YORK STATE COMMON RETIREMENT FUND 504,883 94,484,000 0.37%
44 FRED ALGER MANAGEMENT, LLC 484,203 90,614,000 0.36%
45 DIMENSIONAL FUND ADVISORS LP 446,583 83,571,000 0.33%
46 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 440,738 82,480,000 0.32%
47 D. E. Shaw & Co., Inc. 432,300 80,901,000 0.32% Put
48 AVENIR CORP 425,686 79,663,000 0.31%
49 SUSQUEHANNA INTERNATIONAL GROUP, LLP 414,907 77,645,000 0.30%
50 BlackRock Investment Management, LLC 406,297 76,034,000 0.30%
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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.