Cogent Communications Holdings CCOI Institutional Ownership

Ownership Summary

Cogent Communications Holdings, Inc. (NASDAQ:CCOI) showed up in the 13F filings of 230 institutional investors as of March 2026.

• These investors held 105475.6% of outstanding shares in March 2026, up from 102.0% in December 2025.
• They increased total shares held in Cogent Communications Holdings by 31.15% from last quarter, and the number of investors in CCOI decreased 28.35% annually.
• Of these 230 holders, 120 added to their stakes in Cogent Communications Holdings, 79 trimmed positions, and 31 made no changes.
• The aggregate institutional position in Cogent Communications Holdings amounted to 52.74Mn shares as of March 2026, up by 12.53Mn shares quarter on quarter, and up 3.63Mn shares year over year.
• Turtle Creek Asset Management Inc. leads ownership in CCOI with 8.25Mn shares as of March 31, 2026, equal to 16505.69% of outstanding shares.
• Leading buyers of Cogent Communications Holdings shares for the quarter ending March 2026 were 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 March 2026 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).
• Business Quant data shows the 10 biggest positions in Cogent Communications Holdings as of March 2026 are held by 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).