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

Institutional Holders (2015Q1)
Portfolio Summary: 598 Institutional holders with a total value of $23,893,603,081.
#
Manager Name
Shares
Value ($)
%
Options
Notes
201 LOS ANGELES CAPITAL MANAGEMENT LLC 47,169 7,713,000 0.03%
202 COMERICA BANK 47,095 7,700,000 0.03%
203 Spot Trading L.L.C 46,890 7,667,000 0.03%
204 I.G. INVESTMENT MANAGEMENT, LTD. 46,608 7,621,000 0.03%
205 SCOUT INVESTMENTS, INC. 45,942 7,512,000 0.03%
206 GOLDMAN SACHS GROUP INC 45,800 7,489,000 0.03% Call
207 Greenbrier Partners Capital Management, LLC 45,473 7,435,000 0.03%
208 MACQUARIE GROUP LTD 44,900 7,341,000 0.03%
209 Gulf International Bank (UK) Ltd 44,723 7,313,000 0.03%
210 SeaBridge Investment Advisors LLC 43,904 7,179,000 0.03%
211 Connor, Clark & Lunn Investment Management Ltd. 43,600 7,129,000 0.03%
212 TCW GROUP INC 43,293 7,079,000 0.03%
213 UNITED SERVICES AUTOMOBILE ASSOCIATION 42,074 6,880,000 0.03%
214 Teton Advisors, Inc. 41,747 6,826,000 0.03%
215 WATERS PARKERSON & CO., LLC 41,720 6,822,000 0.03%
216 Employees Retirement System of Texas 41,200 6,737,000 0.03%
217 MILLER HOWARD INVESTMENTS INC /NY 41,066 6,715,000 0.03%
218 CIBC Asset Management Inc 40,201 6,573,000 0.03%
219 BlueCrest Capital Management Ltd 39,922 6,528,000 0.03%
220 Visium Asset Management, LP 39,735 6,497,000 0.03%
221 Energy Opportunities Capital Management, LLC 39,721 6,495,000 0.03%
222 Bridgewater Associates, LP 39,300 6,426,000 0.03%
223 COMMERZBANK AKTIENGESELLSCHAFT /FI 38,834 6,350,000 0.03%
224 OPPENHEIMER & CO INC 37,316 6,102,000 0.03%
225 CANADA PENSION PLAN INVESTMENT BOARD 36,640 5,991,000 0.03%
226 HARTFORD INVESTMENT MANAGEMENT CO 36,280 5,932,000 0.02%
227 DELTA CAPITAL MANAGEMENT LLC 36,011 5,888,000 0.02%
228 EXXONMOBIL INVESTMENT MANAGEMENT INC /TX 35,823 5,857,000 0.02%
229 IBM Retirement Fund 35,296 5,771,000 0.02%
230 Aperio Group, LLC 34,886 5,704,000 0.02% SH
231 ProShare Advisors LLC 34,527 5,646,000 0.02%
232 CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 34,305 5,609,000 0.02%
233 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 34,194 5,591,000 0.02%
234 Fortress Investment Group LLC 34,100 5,575,000 0.02%
235 QUEST INVESTMENT MANAGEMENT LLC 34,097 5,575,000 0.02%
236 Dai-ichi Life Holdings, Inc. 33,788 5,525,000 0.02%
237 FJARDE AP-FONDEN /FOURTH SWEDISH NATIONAL PENSION FUND 33,337 5,452,000 0.02%
238 TWO SIGMA INVESTMENTS, LP 33,000 5,396,000 0.02% Put
239 DECADE CAPITAL MANAGEMENT LLC 32,431 5,303,000 0.02%
240 ZIFF BROTHERS INVESTMENTS, L.L.C. 31,675 5,180,000 0.02%
241 TWO SIGMA INVESTMENTS, LP 30,000 4,905,000 0.02% Call
242 HighVista Strategies LLC 29,167 4,769,000 0.02%
243 CNA FINANCIAL CORP 29,000 4,742,000 0.02%
244 PNC FINANCIAL SERVICES GROUP, INC. 28,952 4,733,000 0.02%
245 SCOGGIN MANAGEMENT LP 28,800 4,709,000 0.02% Put
246 ABERDEEN ASSET MANAGEMENT PLC/UK 28,326 4,632,000 0.02%
247 Asset Management One Co., Ltd. 27,647 4,586,000 0.02%
248 HUDSON EDGE INVESTMENT PARTNERS INC. 27,790 4,544,000 0.02%
249 HARVARD MANAGEMENT CO INC 27,140 4,438,000 0.02%
250 HOWARD HUGHES MEDICAL INSTITUTE 26,250 4,292,000 0.02%
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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.