COGENT COMMUNICATIONS HOLDINGS, INC.

CCOI - CIK 0001158324

Market cap$747.16 M

Rank#2666

SEC filings2,511

Market capitalization of COGENT COMMUNICATIONS HOLDINGS, INC.

As of 2026-06-10, COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) has a market capitalization of $747.16 M, making it the #2666 most valuable US-listed company.

Recent market cap readings

Date	Market cap
2026-06-10	$747.16 M
2026-05-28	$1.08 B

Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.

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Frequently asked questions

What is COGENT COMMUNICATIONS HOLDINGS, INC.'s market cap?

As of 2026-06-10, COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) has a market capitalization of $747.16 M, making it the #2666 most valuable US-listed company.

Where does COGENT COMMUNICATIONS HOLDINGS, INC. rank by market cap?

COGENT COMMUNICATIONS HOLDINGS, INC. is the #2666 largest US-listed company by market capitalization.

Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.