Dark
Light
System
Security
GROUPON INC CALL
GROUPON INC CALL. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 5 Institutional holders with a total value of $3,660,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 493,700 1,970,000 53.83% Call
2 CITADEL ADVISORS LLC 300,700 1,200,000 32.79% Call
3 CMT Asset Management Ltd 102,700 410,000 11.20% Call
4 Timber Hill LLC 15,600 62,000 1.69% Call
5 SIMPLEX TRADING, LLC 785 18,000 0.49% 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.