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

Institutional Holders (2014Q4)
Portfolio Summary: 7 Institutional holders with a total value of $173,139,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 1,750,900 130,179,000 75.19% Put
2 Achievement Holdings L.P. 250,000 18,588,000 10.74%
3 Timber Hill LLC 248,800 18,498,000 10.68% Put
4 Marathon Trading Investment Management LLC 50,000 3,718,000 2.15% Put
5 Virtu KCG Holdings LLC 25,300 1,881,000 1.09% Put
6 Belvedere Trading LLC 2,700 201,000 0.12% Put
7 SIMPLEX TRADING, LLC 1,478 74,000 0.04% 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.