Cogent Communications Holdings, Inc. · NASDAQ:CCOI

Cogent Communications Holdings, Inc. shareholders

As of Jun 30, 2026, 218 institutions reported holding Cogent Communications Holdings, Inc., 92.3% of its shares. Largest: BlackRock, Vanguard and Turtle Creek Asset Management Inc. New holders, exits, insiders and big stakes, each with its filing.

HolderShares% of Cogent Communications Holdings, Inc.ChangeFiled
BlackRock7.38M14.4%+301KAug 7, 2026
Vanguard4.83M9.4%−435KAug 13, 2026
Turtle Creek Asset Management Inc.4.2M8.2%−145KAug 14, 2026
Park West Asset Management LLC3.11M6.1%+1.17MAug 14, 2026
State Street2.78M5.4%+506KAug 7, 2026
EdgePoint Investment Group Inc.2.28M4.5%no changeAug 14, 2026
Newtyn Management, LLC1.66M3.2%+55,895Aug 14, 2026
Geode Capital1.25M2.4%+39,810Aug 12, 2026
Citadel1.17M2.3%+746KAug 14, 2026
The Magnolia Group, LLC980K1.9%−311KAug 12, 2026

Cogent Communications Holdings, Inc. insider trades