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COGENT COMMUNICATIONS HOLDINGS, INC.
CCOI - CIK 0001158324
Market cap$724.12 M
Rank#2668
SEC filings2,511
Market capitalization of COGENT COMMUNICATIONS HOLDINGS, INC.
As of 2026-06-11, COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) has a market capitalization of $724.12 M, making it the #2668 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-11 | $724.12 M |
| 2026-06-10 | $747.16 M |
| 2026-05-28 | $1.03 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is COGENT COMMUNICATIONS HOLDINGS, INC.'s market cap?
As of 2026-06-11, COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) has a market capitalization of $724.12 M, making it the #2668 most valuable US-listed company.
Where does COGENT COMMUNICATIONS HOLDINGS, INC. rank by market cap?
COGENT COMMUNICATIONS HOLDINGS, INC. is the #2668 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.