Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
CCOI
COGENT COMMUNICATIONS HOLDINData as of 2026 Q1 (03-31) · 13F snapshot
Summary
COGENT COMMUNICATIONS HOLDIN (CCOI) is held by 6 tracked hedge-fund managers, a combined reported value of ~$30.72M; the largest are Ken Griffin, Ken Griffin, Izzy Englander. This quarter: 1 new, 2 added, 1 trimmed, 1 closed. 1 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Mixed
Gurus holding6
Congress trades1
Price$15.86vs quarter-end-15.82%
Sectors0
This quarter's moves
Top holderKen GriffinNew1
Added2
Trimmed / sold2
Value $9.97M— of portfolio529,0002026 Q1
Value $2.32M— of portfolio123,1002026 Q1
Value $1.25M— of portfolio66,6002026 Q1
Value $1.16M— of portfolio61,8002026 Q1
Value $1.05M— of portfolio13,8002024 Q3
Value $280.9K— of portfolio3,7002024 Q3
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $9.97M | — | — |
| Ken GriffinPUT | $2.32M | — | — |
| Steven CohenPUT | $1.25M | — | — |
| Steven CohenCALL | $1.16M | — | — |
| Izzy EnglanderPUT | $1.05M | — | — |
| Izzy EnglanderCALL | $280.9K | — | — |