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

Institutional Holders (2014Q1)
Portfolio Summary: 5 Institutional holders with a total value of $69,019,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 251,900 47,141,000 68.30% Call
2 Timber Hill LLC 70,100 13,119,000 19.01% Call
3 Virtu KCG Holdings LLC 41,200 7,710,000 11.17% Call
4 SG Americas Securities, LLC 66,600 675,000 0.98% Call
5 GROUP ONE TRADING LLC 2,000 374,000 0.54% 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.