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HOLLYFRONTIER CORP
HOLLYFRONTIER CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 6 Institutional holders with a total value of $28,902,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 248,700 10,015,000 34.65% Call
2 Timber Hill LLC 201,100 8,098,000 28.02% Call
3 Achievement Holdings L.P. 200,000 8,054,000 27.87%
4 GROUP ONE TRADING LLC 37,500 1,510,000 5.22% Call
5 Marathon Trading Investment Management LLC 30,000 1,208,000 4.18% Call
6 SIMPLEX TRADING, LLC 210 17,000 0.06% 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.