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

Institutional Holders (2014Q3)
Portfolio Summary: 7 Institutional holders with a total value of $58,454,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 140,900 27,753,000 47.48% Put
2 Timber Hill LLC 71,500 14,083,000 24.09% Put
3 PEAK6 Group LLC 47,100 9,277,000 15.87% Put
4 Hudson Bay Capital Management LP 20,000 3,939,000 6.74% Put
5 Virtu KCG Holdings LLC 11,700 2,305,000 3.94% Put
6 GROUP ONE TRADING LLC 4,200 827,000 1.41% Put
7 SG Americas Securities, LLC 28,200 270,000 0.46% Put

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.