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

Institutional Holders (2015Q4)
Portfolio Summary: 4 Institutional holders with a total value of $38,303,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SIMPLEX TRADING, LLC 402 84,000 0.22% Call
2 GROUP ONE TRADING LLC 51,500 5,427,000 14.17% Call
3 Timber Hill LLC 87,300 9,199,000 24.02% Call
4 CITADEL ADVISORS LLC 223,900 23,593,000 61.60% 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.