Cogent Communications Holdings, Inc. (CCOI) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for CCOI. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 218 institutions reported holding CCOI, with 47.2 million shares worth $654.7 million in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
BlackRock7,376,384$102MINCREASED
Vanguard4,828,818$67MDECREASED
Turtle Creek Asset Management4,203,527$58MDECREASED
Park West Asset Management3,106,339$43MINCREASED
State Street2,779,367$39MINCREASED

Full institutional holdings, insider history, and congressional trades for Cogent Communications Holdings, Inc. on SentiSense.