Dark
Light
System
Security
CALL MCDERMOTT INTL INC $5.5 EXP 01/20/17 MDR 170120C00005500
CALL MCDERMOTT INTL INC $5.5 EXP 01/20/17 MDR 170120C00005500. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 5 Institutional holders with a total value of $2,079,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 182,500 785,000 37.76% Call
2 Timber Hill LLC 179,700 773,000 37.18% Call
3 CITADEL ADVISORS LLC 110,800 476,000 22.90% Call
4 Virtu KCG Holdings LLC 10,100 43,000 2.07% Call
5 SIMPLEX TRADING, LLC 26 2,000 0.10% 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.