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COGENT COMMUNICATIONS HLDGS
COGENT COMMUNICATIONS HLDGS. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 3 Institutional holders with a total value of $215,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 4,900 170,000 79.07% Call
2 GROUP ONE TRADING LLC 1,200 42,000 19.53% Call
3 SIMPLEX TRADING, LLC 17 3,000 1.40% 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.