Dark
Light
System
Security
TESORO CORP
TESORO CORP. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 4 Institutional holders with a total value of $31,071,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 210,700 18,122,000 58.32% Call
2 Timber Hill LLC 108,200 9,306,000 29.95% Call
3 GROUP ONE TRADING LLC 40,100 3,449,000 11.10% Call
4 SIMPLEX TRADING, LLC 733 194,000 0.62% 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.