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

Institutional Holders (2014Q4)
Portfolio Summary: 6 Institutional holders with a total value of $36,644,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 149,100 22,194,000 60.57% Put
2 Timber Hill LLC 66,600 9,913,000 27.05% Put
3 SIMPLEX TRADING, LLC 456 1,751,000 4.78% Put
4 Virtu KCG Holdings LLC 11,300 1,682,000 4.59% Put
5 SG Americas Securities, LLC 44,700 777,000 2.12% Put
6 Belvedere Trading LLC 2,200 327,000 0.89% 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.