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

Institutional Holders (2016Q1)
Portfolio Summary: 4 Institutional holders with a total value of $6,481,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 382,500 4,571,000 70.53% Call
2 Timber Hill LLC 112,000 1,338,000 20.64% Call
3 CITADEL ADVISORS LLC 45,900 549,000 8.47% Call
4 SIMPLEX TRADING, LLC 363 23,000 0.35% 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.