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PIONEER NATURAL RESOURCES CO
PIONEER NATURAL RESOURCES CO. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 621 Institutional holders with a total value of $18,528,811,404.
#
Manager Name
Shares
Value ($)
%
Options
Notes
51 JENNISON ASSOCIATES LLC 417,065 52,292,000 0.28%
52 Pine River Capital Management L.P. 409,883 51,391,000 0.28%
53 Carlson Capital, L.P. 408,676 51,240,000 0.28%
54 Alyeska Investment Group, L.P. 405,934 50,896,000 0.27%
55 AVENIR CORP 405,660 50,862,000 0.27%
56 CITIGROUP INC 403,200 50,553,000 0.27% Call
57 FRANKLIN RESOURCES INC 400,093 50,163,000 0.27%
58 BANK OF AMERICA CORP /DE/ 395,189 49,549,000 0.27%
59 ADVISORY RESEARCH INC 392,328 49,190,000 0.27%
60 BlackRock Finance, Inc. 387,293 48,559,000 0.26%
61 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 386,202 48,423,000 0.26%
62 GOLDMAN SACHS GROUP INC 386,000 48,397,000 0.26% Call
63 SUSQUEHANNA INTERNATIONAL GROUP, LLP 380,977 47,767,000 0.26%
64 DEUTSCHE BANK AG\ 361,394 45,307,000 0.24%
65 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 354,809 44,486,000 0.24%
66 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 349,695 43,844,000 0.24%
67 CREDIT SUISSE AG/ 341,590 42,829,000 0.23%
68 ZBI SERVICES, L.L.C. 334,175 41,899,000 0.23%
69 GUGGENHEIM CAPITAL LLC 332,008 41,627,000 0.22%
70 MITCHELL GROUP INC 328,830 41,229,000 0.22%
71 WELLS FARGO & COMPANY/MN 326,433 40,928,000 0.22%
72 LORD, ABBETT & CO. LLC 310,659 38,950,000 0.21%
73 Swiss National Bank 294,452 36,918,000 0.20%
74 UBS Group AG 293,100 36,749,000 0.20% Put
75 Mitsubishi UFJ Trust & Banking Corp 291,408 36,537,000 0.20%
76 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 285,457 35,791,000 0.19%
77 Korea Investment CORP 283,196 35,507,000 0.19%
78 CITIGROUP INC 281,300 35,269,000 0.19% Put
79 ALLIANCEBERNSTEIN L.P. 287,652 34,990,000 0.19%
80 Nuveen Asset Management, LLC 270,531 33,920,000 0.18%
81 PARAMETRIC PORTFOLIO ASSOCIATES LLC 267,410 33,528,000 0.18%
82 AMF Tjanstepension AB 261,652 32,806,000 0.18%
83 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 261,084 32,735,000 0.18%
84 Caymus Capital Partners, L.P. 254,900 31,959,000 0.17%
85 Telemark Asset Management, LLC 250,000 31,345,000 0.17%
86 BALYASNY ASSET MANAGEMENT L.P. 247,880 31,079,000 0.17%
87 RENAISSANCE TECHNOLOGIES LLC 239,188 29,989,000 0.16%
88 Spot Trading L.L.C 234,700 29,427,000 0.16% Put
89 UBS Group AG 228,338 28,629,000 0.15%
90 TORTOISE CAPITAL ADVISORS, L.L.C. 227,965 28,582,000 0.15%
91 Mizuho Trust & Banking Co., Ltd. 226,981 28,252,000 0.15%
92 BARCLAYS PLC 222,700 27,838,000 0.15% Call
93 MILLENNIUM MANAGEMENT LLC 218,700 27,421,000 0.15% Call
94 OppenheimerFunds, Inc. 214,983 26,953,000 0.15%
95 Encompass Capital Advisors LLC 213,404 26,756,000 0.14%
96 PRINCIPAL FINANCIAL GROUP INC 211,618 26,533,000 0.14%
97 RHUMBLINE ADVISERS 209,503 26,267,000 0.14%
98 KGH Ltd 205,866 25,811,000 0.14%
99 GENERAL ELECTRIC CO 200,379 25,124,000 0.14%
100 BlackRock Japan Co. Ltd 193,203 24,224,000 0.13%
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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.