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

Institutional Holders (2015Q3)
Portfolio Summary: 7 Institutional holders with a total value of $3,035,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 585,200 1,334,000 43.95% Call
2 GROUP ONE TRADING LLC 398,200 908,000 29.92% Call
3 CMT Asset Management Ltd 180,800 412,000 13.57% Call
4 Timber Hill LLC 144,400 329,000 10.84% Call
5 Virtu KCG Holdings LLC 12,800 29,000 0.96% Call
6 Marathon Trading Investment Management LLC 10,000 23,000 0.76% Call
7 SIMPLEX TRADING, LLC 56 0 0.00% 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.