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

Institutional Holders (2016Q2)
Portfolio Summary: 718 Institutional holders with a total value of $25,082,027,718.
#
Manager Name
Shares
Value ($)
%
Options
Notes
51 EMERALD ACQUISITION LTD. 581,228 87,870,000 0.35%
52 WELLS FARGO & COMPANY/MN 566,942 85,726,000 0.34%
53 SCHRODER INVESTMENT MANAGEMENT GROUP 558,558 84,459,000 0.34%
54 DEUTSCHE BANK AG\ 541,129 81,818,000 0.33%
55 CREDIT SUISSE AG/ 535,674 80,999,000 0.32%
56 COLUMBUS CIRCLE INVESTORS 522,843 79,059,000 0.32%
57 Allianz Asset Management GmbH 502,127 75,927,000 0.30%
58 NEW YORK STATE COMMON RETIREMENT FUND 480,604 72,672,000 0.29%
59 Swiss National Bank 478,852 72,407,000 0.29%
60 Jefferies Group LLC 477,300 72,173,000 0.29% Put
61 BlackRock Finance, Inc. 467,754 70,730,000 0.28%
62 FRANKLIN RESOURCES INC 463,380 70,067,000 0.28%
63 CITIGROUP INC 459,200 69,436,000 0.28% Put
64 Sumitomo Mitsui Trust Group, Inc. 456,559 69,036,000 0.28%
65 DnB Asset Management AS 447,351 67,643,945 0.27%
66 STRS OHIO 443,883 67,119,000 0.27%
67 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 441,427 66,749,000 0.27%
68 KGH Ltd 437,461 66,148,000 0.26%
69 RENAISSANCE TECHNOLOGIES LLC 427,393 64,626,000 0.26%
70 Alyeska Investment Group, L.P. 414,510 62,678,000 0.25%
71 Brenham Capital Management, L.P. 400,000 60,484,000 0.24%
72 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 387,333 58,568,000 0.23%
73 AVENIR CORP 373,131 56,421,000 0.22%
74 JENNISON ASSOCIATES LLC 371,094 56,113,000 0.22%
75 OppenheimerFunds, Inc. 367,229 55,529,000 0.22%
76 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 354,635 53,624,000 0.21%
77 Columbus Hill Capital Management, L.P. 350,500 52,999,000 0.21%
78 Arbiter Partners Capital Management LLC 344,900 52,152,000 0.21% Call
79 MITCHELL GROUP INC 344,240 52,053,000 0.21%
80 Calamos Advisors LLC 343,555 51,949,000 0.21%
81 Korea Investment CORP 342,096 51,728,000 0.21%
82 Conatus Capital Management LP 340,480 51,484,000 0.21%
83 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 337,309 51,005,000 0.20%
84 Mitsubishi UFJ Trust & Banking Corp 329,224 49,782,000 0.20%
85 GUGGENHEIM CAPITAL LLC 327,297 49,490,000 0.20%
86 ZIFF BROTHERS INVESTMENTS, L.L.C. 326,175 49,321,000 0.20%
87 CITIGROUP INC 322,000 48,689,000 0.19% Call
88 PARAMETRIC PORTFOLIO ASSOCIATES LLC 319,880 48,369,000 0.19%
89 MARSHALL WACE, LLP 317,656 48,033,000 0.19%
90 REAVES W H & CO INC 310,954 47,019,000 0.19%
91 Point72 Asset Management, L.P. 306,429 46,335,000 0.18%
92 ALLIANCEBERNSTEIN L.P. 297,985 45,058,000 0.18%
93 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 293,916 44,443,000 0.18%
94 ADVISORY RESEARCH INC 293,719 44,414,000 0.18%
95 AMF Tjanstepension AB 279,956 42,332,000 0.17%
96 EATON VANCE MANAGEMENT 277,047 41,892,000 0.17%
97 FIL Ltd 272,770 41,245,000 0.16%
98 1832 Asset Management L.P. 264,263 39,910,000 0.16%
99 RHUMBLINE ADVISERS 263,105 39,784,000 0.16%
100 FEDERATED HERMES, INC. 261,093 39,480,000 0.16%
Page 2 of 15

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.