Dark
Light
System
Security
PIONEER NAT RES CO
PIONEER NAT RES CO. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 7 Institutional holders with a total value of $40,014,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 127,400 20,831,000 52.06% Put
2 Hudson Bay Capital Management LP 50,000 8,176,000 20.43% Put
3 Timber Hill LLC 41,500 6,786,000 16.96% Put
4 Allianz Asset Management GmbH 18,900 3,090,000 7.72% Put
5 SIMPLEX TRADING, LLC 313 397,000 0.99% Put
6 SG Americas Securities, LLC 40,400 374,000 0.93% Put
7 Virtu KCG Holdings LLC 2,200 360,000 0.90% 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.