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

Institutional Holders (2015Q1)
Portfolio Summary: 6 Institutional holders with a total value of $548,523,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 5,588,900 510,210,000 93.02% Put
2 Timber Hill LLC 306,800 28,008,000 5.11% Put
3 Hudson Bay Capital Management LP 100,000 9,129,000 1.66% Put
4 Virtu KCG Holdings LLC 6,700 612,000 0.11% Put
5 Marathon Trading Investment Management LLC 5,000 456,000 0.08% Put
6 SIMPLEX TRADING, LLC 1,088 108,000 0.02% 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.