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

Institutional Holders (2014Q4)
Portfolio Summary: 7 Institutional holders with a total value of $44,484,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 156,900 23,355,000 52.50% Call
2 Timber Hill LLC 111,500 16,597,000 37.31% Call
3 American Assets Investment Management, LLC 15,810 2,353,000 5.29%
4 Virtu KCG Holdings LLC 9,600 1,429,000 3.21% Call
5 KGH Ltd 4,147 452,000 1.02% Call
6 SIMPLEX TRADING, LLC 653 246,000 0.55% Call
7 SG Americas Securities, LLC 17,100 52,000 0.12% Call

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.