Cogent Communications Holdings, Inc. (CCOI) Institutional Ownership

Ownership Summary

Cogent Communications Holdings, Inc. (NASDAQ:CCOI) has 238 institutional investors that have filed 13F reports for the period ending December 2025.

• They owned 100.6% of outstanding stock in December 2025, down from 110.4% the prior quarter.
• Their total shares held in CCOI increased 2.48% quarter over quarter, and separately, investors owning Cogent Communications Holdings decreased 22.73% from a year ago.
• Among the 238 funds, 135 bought more Cogent Communications Holdings shares, 78 sold down, and 25 held their ground.
• The aggregate institutional position in Cogent Communications Holdings amounted to 48.12Mn shares as of December 2025, up by 1.17Mn shares quarter on quarter, and down 1.71Mn shares year over year.
• As of December 31, 2025, the biggest holder of Cogent Communications Holdings is Turtle Creek Asset Management Inc. at 8.25Mn shares, representing 17.26% of shares outstanding.
• The biggest buyers of Cogent Communications Holdings for the quarter ending December 2025 included Turtle Creek Asset Management Inc. (4.22Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.75Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.12Mn), Morgan Stanley (630.62K), Park West Asset Management LLC (526.1K).
• The largest sales of CCOI for the quarter ending December 2025 came from Bank Of America Corp /De/ (899.07K), Goldman Sachs Group Inc (516.16K), Royal Bank Of Canada (493.52K), Harspring Capital Management, LLC (315.5K), Man Group plc (235.94K).
• Per Business Quant, the top 10 investors in CCOI for the quarter ending December 2025 include Turtle Creek Asset Management Inc. (8.25Mn), BlackRock, Inc. (7.08Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.75Mn), EdgePoint Investment Group Inc. (2.28Mn), State Street Corp (2.27Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.12Mn), Park West Asset Management LLC (1.94Mn), Morgan Stanley (1.88Mn), Newtyn Management, LLC (1.6Mn), MAGNOLIA GROUP, LLC (1.29Mn).