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

Institutional Holders (2016Q2)
Portfolio Summary: 5 Institutional holders with a total value of $20,600,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 103,891 15,709,000 76.26%
2 CENTERSTAR FUND, LLC 18,900 2,722,000 13.21% Put PRN
3 CENTERSTAR FUND, LLC 7,169 1,087,000 5.28% PRN
4 CENTERSTAR FUND, LLC 4,000 644,000 3.13% Call PRN
5 IKOS CIF LTD 2,919 438,000 2.13%

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.