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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
101 ADAGE CAPITAL PARTNERS GP, L.L.C. 141,700 26,518,000 0.10%
102 APG Asset Management N.V. 138,499 25,919,000 0.10%
103 D. E. Shaw & Co., Inc. 137,200 25,676,000 0.10% Call
104 PARAMETRIC PORTFOLIO ASSOCIATES LLC 134,752 25,217,000 0.10%
105 Swiss National Bank 134,352 25,143,000 0.10%
106 CANADA LIFE ASSURANCE Co 128,300 23,898,000 0.09%
107 Spot Trading L.L.C 119,600 22,382,000 0.09% Call
108 Spot Trading L.L.C 119,500 22,363,000 0.09% Put
109 VIKING FUND MANAGEMENT LLC 119,000 22,270,000 0.09%
110 Cambrian Capital Limited Partnership 118,144 22,109,000 0.09%
111 STATE OF WISCONSIN INVESTMENT BOARD 117,644 22,016,000 0.09%
112 VOYA INVESTMENT MANAGEMENT LLC 117,281 21,949,000 0.09%
113 BLAIR WILLIAM & CO/IL 116,771 21,852,000 0.09%
114 GABELLI FUNDS LLC 115,700 21,652,000 0.08%
115 CITIGROUP INC 115,700 21,652,000 0.08% Call
116 HSBC HOLDINGS PLC 109,319 20,481,000 0.08%
117 Clear Harbor Asset Management, LLC 107,629 20,142,000 0.08%
118 BANK OF MONTREAL /CAN/ 107,400 20,099,000 0.08% Call
119 BARCLAYS PLC 105,400 19,710,000 0.08% Put
120 Nationwide Fund Advisors 104,739 19,601,000 0.08%
121 Chevy Chase Trust Holdings, LLC 104,453 19,547,000 0.08%
122 Vision Capital Management, Inc. 104,125 19,486,000 0.08%
123 Nexus Asset Management LLC 103,799 19,425,000 0.08%
124 CITADEL ADVISORS LLC 103,276 19,327,000 0.08%
125 Alyeska Investment Group, L.P. 101,200 18,939,000 0.07% Call
126 FRANKLIN RESOURCES INC 101,000 18,901,000 0.07%
127 PECONIC PARTNERS LLC 100,000 18,714,000 0.07%
128 KNOTT DAVID M 100,000 18,714,000 0.07%
129 REAVES W H & CO INC 99,930 18,701,000 0.07%
130 ADAMS NATURAL RESOURCES FUND, INC. 99,500 18,620,000 0.07%
131 SHEPHERD KAPLAN KROCHUK, LLC 97,688 18,281,000 0.07%
132 Wood Investment Counsel LLC 97,192 18,189,000 0.07%
133 SOROS FUND MANAGEMENT LLC 95,696 17,909,000 0.07%
134 GAM Holding AG 93,931 17,578,000 0.07%
135 MILLENNIUM MANAGEMENT LLC 91,744 17,169,000 0.07%
136 COMMERZBANK AKTIENGESELLSCHAFT /FI 90,764 16,986,000 0.07%
137 State of New Jersey Common Pension Fund A 90,000 16,843,000 0.07%
138 METROPOLITAN LIFE INSURANCE CO/NY 88,860 16,629,000 0.07%
139 CAPITAL FUND MANAGEMENT S.A. 88,500 16,562,000 0.06% Put
140 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 88,345 16,533,000 0.06%
141 CANADA PENSION PLAN INVESTMENT BOARD 85,448 15,991,000 0.06%
142 CITIGROUP INC 84,622 15,836,000 0.06%
143 CREDIT AGRICOLE S A 84,377 15,790,000 0.06%
144 KING LUTHER CAPITAL MANAGEMENT CORP 82,425 15,425,000 0.06%
145 CAISSE DE DEPOT ET PLACEMENT DU QUEBEC 82,000 15,345,000 0.06%
146 D. E. Shaw & Co., Inc. 81,633 15,276,000 0.06%
147 Clearbridge Investments, LLC 81,450 15,243,000 0.06%
148 THRIVENT FINANCIAL FOR LUTHERANS 77,760 14,552,000 0.06%
149 UNITED SERVICES AUTOMOBILE ASSOCIATION 76,691 14,352,000 0.06%
150 Chapter IV Investors, LLC 76,500 14,316,000 0.06%
Page 3 of 13

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.