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INTERACTIVE BROKERS GROUP IN
INTERACTIVE BROKERS GROUP IN. Institutional holdings reported to the SEC.

Institutional Holders (2016Q2)
Portfolio Summary: 3 Institutional holders with a total value of $2,004,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 48,000 1,699,000 84.78% Put
2 GROUP ONE TRADING LLC 7,300 258,000 12.87% Put
3 SIMPLEX TRADING, LLC 248 47,000 2.35% Put

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.