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

Institutional Holders (2015Q3)
Portfolio Summary: 6 Institutional holders with a total value of $46,280,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 309,500 30,096,000 65.03% Put
2 Timber Hill LLC 143,000 13,905,000 30.05% Put
3 Virtu KCG Holdings LLC 7,000 681,000 1.47% Put
4 SIMPLEX TRADING, LLC 1,548 602,000 1.30% Put
5 GROUP ONE TRADING LLC 5,900 574,000 1.24% Put
6 SG Americas Securities, LLC 50,000 422,000 0.91%

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.