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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
201 State of Tennessee, Department of Treasury 41,512 7,768,000 0.03%
202 Employees Retirement System of Texas 41,000 7,673,000 0.03%
203 Asset Management One Co., Ltd. 40,044 7,553,000 0.03%
204 FJARDE AP-FONDEN /FOURTH SWEDISH NATIONAL PENSION FUND 39,923 7,473,000 0.03%
205 Arizona State Retirement System 39,775 7,443,000 0.03%
206 DELTA CAPITAL MANAGEMENT LLC 39,501 7,392,000 0.03%
207 Gulf International Bank (UK) Ltd 38,758 7,253,000 0.03%
208 NATIXIS ADVISORS, LLC 38,580 7,219,000 0.03%
209 WEXFORD CAPITAL LP 38,554 7,215,000 0.03%
210 HARTFORD INVESTMENT MANAGEMENT CO 38,329 7,173,000 0.03%
211 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 37,652 7,046,000 0.03%
212 EXXONMOBIL INVESTMENT MANAGEMENT INC /TX 37,429 7,004,000 0.03%
213 ALLSTATE CORP 37,332 6,986,000 0.03%
214 ROYAL LONDON ASSET MANAGEMENT LTD 33,381 6,821,000 0.03%
215 CNA FINANCIAL CORP 36,000 6,737,000 0.03%
216 QUEST INVESTMENT MANAGEMENT LLC 35,834 6,706,000 0.03%
217 IBM Retirement Fund 35,269 6,586,000 0.03%
218 BB&T SECURITIES, LLC 3,518 6,583,000 0.03%
219 MASON STREET ADVISORS, LLC 35,164 6,581,000 0.03%
220 STEADFAST ADVISORS LP 35,047 6,559,000 0.03%
221 ROYAL BANK OF CANADA 35,000 6,550,000 0.03% Put
222 SIGMA CAPITAL MANAGEMENT LLC 35,000 6,550,000 0.03%
223 GRUBER & MCBAINE CAPITAL MANAGEMENT LLC 34,500 6,456,000 0.03%
224 EAGLE ASSET MANAGEMENT INC 33,373 6,245,000 0.02%
225 ROYAL BANK OF CANADA 33,000 6,176,000 0.02% Call
226 ProShare Advisors LLC 32,630 6,106,000 0.02%
227 NISA INVESTMENT ADVISORS, LLC 32,282 6,041,000 0.02%
228 CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 32,029 5,994,000 0.02%
229 ING GROEP NV 31,819 5,955,000 0.02%
230 BANK OF AMERICA CORP /DE/ 31,600 5,914,000 0.02% Call
231 LUCAS CAPITAL MANAGEMENT 31,425 5,881,000 0.02%
232 BANK OF MONTREAL /CAN/ 31,122 5,824,000 0.02%
233 OAKBROOK INVESTMENTS LLC 31,024 5,806,000 0.02%
234 Passport Capital, LLC 30,689 5,743,000 0.02%
235 Alyeska Investment Group, L.P. 29,674 5,553,000 0.02%
236 BALYASNY ASSET MANAGEMENT L.P. 29,500 5,521,000 0.02%
237 JACOBS LEVY EQUITY MANAGEMENT, INC 29,410 5,504,000 0.02%
238 HighVista Strategies LLC 26,833 5,447,000 0.02%
239 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 29,008 5,428,000 0.02%
240 Alta Advisers Ltd 28,404 5,316,000 0.02%
241 PNC FINANCIAL SERVICES GROUP, INC. 28,339 5,304,000 0.02%
242 AQR CAPITAL MANAGEMENT LLC 27,904 5,222,000 0.02%
243 Walleye Trading LLC 27,600 5,164,000 0.02% Put
244 AXA S.A. 27,435 5,134,000 0.02%
245 FRANKLIN STREET ADVISORS INC /NC 27,356 5,120,000 0.02%
246 JASINKIEWICZ CAPITAL MANAGEMENT, LP 27,309 5,111,000 0.02%
247 Mitsubishi UFJ Asset Management Co., Ltd. 27,198 5,090,000 0.02%
248 Lloyds Banking Group plc 26,826 5,020,000 0.02%
249 Aperio Group, LLC 26,825 5,020,000 0.02%
250 LPL Financial LLC 26,692 4,995,000 0.02%
Page 5 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.