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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000932471-13-003010
Filing Date
2013-02-11
Accepted
2013-02-11 13:47:41
Documents
1

Document Format Files

Seq Description Document Type Size
1 pioneernaturalresourcesco.htm SC 13G/A 50471
  Complete submission text file 0000932471-13-003010.txt   52003
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

IRS No.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A

Mailing Address 200 WILLIAMS SQUARE WEST 5205 N OCONNOR BLVD IRVING TX 75039
Business Address 200 WILLIAMS SQUARE WEST 5205 N OCONNOR BLVD IRVING TX 75039 9724449001
PIONEER NATURAL RESOURCES CO (Subject) CIK: 0001038357 (see all company filings)

IRS No.: 752702753 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-51453 | Film No.: 13590614
SIC: 1311 Crude Petroleum & Natural Gas