CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.Company with tickers: CCOI
CIK
1158324
CUSIP
19239V302
Shares Outstanding
50,102,364
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Report Date:
Holders: 252
Total Value: $1,078,371,904
Total Shares: 50,017,257
Showing top 100 of 252 holders by value
| Holder | Value (USD) | Shares | Type | Discretion | Filed | Action |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | $155,038,319 | 7,191,017 | Shares | Sole | 2026-02-12 | View |
| VANGUARD GROUP INC | $111,287,330 | 5,161,750 | Shares | Sole | 2026-01-29 | View |
| TURTLE CREEK ASSET MANAGEMENT INC. | $87,034,421 | 4,036,847 | Shares | Sole | 2026-02-13 | View |
| EdgePoint Investment Group Inc. | $49,229,629 | 2,283,378 | Shares | Sole | 2026-02-17 | View |
| STATE STREET CORP | $44,632,045 | 2,070,132 | Shares | Defined | 2026-02-13 | View |
| Park West Asset Management LLC | $30,380,109 | 1,409,096 | Shares | Sole | 2026-02-17 | View |
| Harspring Capital Management, LLC | $30,237,900 | 1,402,500 | Shares | Sole | 2026-02-13 | View |
| Newtyn Management, LLC | $30,184,000 | 1,400,000 | Shares | Sole | 2026-02-17 | View |
| MAGNOLIA GROUP, LLC | $26,871,025 | 1,246,337 | Shares | Sole | 2026-02-03 | View |
| BANK OF AMERICA CORP /DE/ | $25,903,497 | 1,201,461 | Shares | Defined | 2026-02-17 | View |
| GEODE CAPITAL MANAGEMENT, LLC | $25,424,219 | 1,179,231 | Shares | Defined | 2026-02-09 | View |
| FIRST TRUST ADVISORS LP | $25,384,700 | 1,177,398 | Shares | Sole | 2026-02-13 | View |
| Tyro Capital Management LLC | $21,560,000 | 1,000,000 | Shares | Sole | 2026-02-13 | View |
| FMR LLC | $17,591,643 | 815,939 | Shares | Defined | 2026-02-17 | View |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $14,379,053 | 666,932 | Shares | Sole | 2026-02-13 | View |
| Broad Run Investment Management, LLC | $14,309,372 | 663,700 | Shares | Sole | 2026-02-17 | View |
| BlackBarn Capital Partners LP | $14,014,000 | 650,000 | Shares | Sole | 2026-02-17 | View |
| Colony Capital, Inc. | $13,715,802 | 636,169 | Shares | Defined | 2026-02-12 | View |
| GOLDMAN SACHS GROUP INC | $13,249,676 | 614,549 | Shares | Defined | 2026-02-10 | View |
| CenterBook Partners LP | $12,973,406 | 601,735 | Shares | Sole | 2026-02-11 | View |
| 683 Capital Management, LLC | $12,936,000 | 600,000 | Shares | Defined | 2026-02-17 | View |
| MIG Capital, LLC | $12,272,383 | 569,220 | Shares | Sole | 2026-02-17 | View |
| Oakum Bay Capital LLC | $11,719,627 | 543,582 | Shares | Sole | 2026-02-13 | View |
| MORGAN STANLEY | $11,181,596 | 518,627 | Shares | Defined | 2026-02-13 | View |
| NORTHERN TRUST CORP | $10,757,855 | 498,973 | Shares | Other | 2026-02-17 | View |
| ROYAL BANK OF CANADA | $10,757,705 | 498,966 | Shares | Defined | 2026-02-17 | View |
| GILDER GAGNON HOWE & CO LLC | $10,652,968 | 494,108 | Shares | Sole | 2026-02-17 | View |
| Palliser Capital (UK) Ltd | $9,188,527 | 426,184 | Shares | Sole | 2026-02-13 | View |
| FRONTIER CAPITAL MANAGEMENT CO LLC | $7,455,512 | 345,803 | Shares | Sole | 2026-02-17 | View |
| Man Group plc | $7,032,182 | 326,168 | Shares | Defined | 2026-02-17 | View |
| D. E. Shaw & Co., Inc. | $6,039,732 | 280,136 | Shares | Defined | 2026-02-17 | View |
| Bank of New York Mellon Corp | $5,970,670 | 276,933 | Shares | Defined | 2026-02-10 | View |
| Invesco Ltd. | $5,650,183 | 262,068 | Shares | Defined | 2026-02-19 | View |
| REAVES W H & CO INC | $5,586,152 | 259,098 | Shares | Sole | 2026-02-10 | View |
| Herald Investment Management Ltd | $5,230,456 | 242,600 | Shares | Sole | 2026-02-13 | View |
| JANE STREET GROUP, LLC | $5,106,183 | 236,836 | Shares | Defined | 2026-02-12 | View |
| PRINCIPAL FINANCIAL GROUP INC | $4,895,068 | 227,044 | Shares | Defined | 2026-02-02 | View |
| Caption Management, LLC | $4,851,000 | 225,000 | Shares | Sole | 2026-02-17 | View |
| BOOTHBAY FUND MANAGEMENT, LLC | $4,743,803 | 220,028 | Shares | Other | 2026-02-17 | View |
| GRANAHAN INVESTMENT MANAGEMENT INC/MA | $4,679,059 | 217,025 | Shares | Sole | 2026-02-17 | View |
| Redmond Asset Management, LLC | $4,313,767 | 200,082 | Shares | Sole | 2026-02-09 | View |
| Legal & General Group Plc | $4,290,309 | 198,994 | Shares | Defined | 2026-02-09 | View |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $3,917,452 | 181,700 | Shares | Other | 2026-02-17 | View |
| Advisors Asset Management, Inc. | $3,916,374 | 181,650 | Shares | Sole | 2026-02-12 | View |
| Nishkama Capital, LLC | $3,873,491 | 179,661 | Shares | Sole | 2026-02-17 | View |
| BLAIR WILLIAM & CO/IL | $3,830,241 | 177,655 | Shares | Sole | 2026-02-17 | View |
| 14B Captial Management LP | $3,665,200 | 170,000 | Shares | Sole | 2026-02-17 | View |
| Nuveen, LLC | $3,658,731 | 169,700 | Shares | Defined | 2026-02-12 | View |
| JPMORGAN CHASE & CO | $3,635,078 | 168,603 | Shares | Other | 2026-02-11 | View |
| CITADEL ADVISORS LLC | $3,603,192 | 167,124 | Shares | Defined | 2026-02-17 | View |
| Edgestream Partners, L.P. | $3,578,507 | 165,979 | Shares | Sole | 2026-02-13 | View |
| Public Sector Pension Investment Board | $3,550,759 | 164,692 | Shares | Sole | 2026-02-13 | View |
| CITIGROUP INC | $3,449,383 | 159,990 | Shares | Defined | 2026-02-13 | View |
| CITADEL ADVISORS LLC | $3,322,396 | 154,100 | Shares | Defined | 2026-02-17 | View |
| UBS ASSET MANAGEMENT AMERICAS INC | $3,228,541 | 149,747 | Shares | Defined | 2026-02-13 | View |
| CITADEL ADVISORS LLC | $3,221,064 | 149,400 | Shares | Defined | 2026-02-17 | View |
| JANE STREET GROUP, LLC | $3,014,088 | 139,800 | Shares | Defined | 2026-02-12 | View |
| RHUMBLINE ADVISERS | $2,963,659 | 137,461 | Shares | Sole | 2026-02-13 | View |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2,877,246 | 133,453 | Shares | Other | 2026-02-17 | View |
| J. Goldman & Co LP | $2,587,200 | 120,000 | Shares | Sole | 2026-02-17 | View |
| MARINER INVESTMENT GROUP LLC | $2,263,800 | 105,000 | Shares | Defined | 2026-02-25 | View |
| Walleye Capital LLC | $2,186,356 | 101,408 | Shares | Sole | 2026-02-13 | View |
| GARNET EQUITY CAPITAL HOLDINGS, INC. | $2,156,000 | 100,000 | Shares | Sole | 2026-02-17 | View |
| Crawford Fund Management, LLC | $2,110,724 | 97,900 | Shares | Sole | 2026-02-17 | View |
| Swiss National Bank | $2,091,320 | 97,000 | Shares | Sole | 2026-02-12 | View |
| RENAISSANCE TECHNOLOGIES LLC | $1,919,508 | 89,031 | Shares | Sole | 2026-02-12 | View |
| BARCLAYS PLC | $1,904,049 | 88,314 | Shares | Sole | 2026-02-13 | View |
| SIMPLEX TRADING, LLC | $1,830,336 | 84,895 | Shares | Sole | 2026-02-11 | View |
| AMERIPRISE FINANCIAL INC | $1,815,458 | 84,205 | Shares | Defined | 2026-02-17 | View |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1,785,168 | 82,800 | Shares | Other | 2026-02-17 | View |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $1,760,223 | 81,643 | Shares | Sole | 2026-02-10 | View |
| WELLS FARGO & COMPANY/MN | $1,695,929 | 78,661 | Shares | Defined | 2026-02-13 | View |
| STATE OF WISCONSIN INVESTMENT BOARD | $1,620,320 | 75,154 | Shares | Sole | 2026-02-17 | View |
| MYDA Advisors LLC | $1,617,000 | 75,000 | Shares | Sole | 2026-02-13 | View |
| CBOE Vest Financial, LLC | $1,609,109 | 74,634 | Shares | Defined | 2026-01-30 | View |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | $1,589,187 | 73,710 | Shares | Sole | 2026-01-30 | View |
| BNP PARIBAS ARBITRAGE, SA | $1,516,638 | 70,345 | Shares | Defined | 2026-02-10 | View |
| SG Americas Securities, LLC | $1,466,619 | 68,025 | Shares | Sole | 2026-01-09 | View |
| DEUTSCHE BANK AG\ | $1,417,375 | 65,741 | Shares | Defined | 2026-02-11 | View |
| Skylands Capital, LLC | $1,327,557 | 61,575 | Shares | Sole | 2026-01-30 | View |
| Quantinno Capital Management LP | $1,319,622 | 61,207 | Shares | Sole | 2026-02-17 | View |
| ALLIANCEBERNSTEIN L.P. | $1,238,923 | 57,464 | Shares | Defined | 2026-02-17 | View |
| Point72 Asset Management, L.P. | $1,213,828 | 56,300 | Shares | Defined | 2026-02-17 | View |
| Walleye Capital LLC | $1,194,424 | 55,400 | Shares | Sole | 2026-02-13 | View |
| BROWN ADVISORY INC | $1,141,644 | 52,952 | Shares | Defined | 2026-02-13 | View |
| Walleye Capital LLC | $1,112,496 | 51,600 | Shares | Sole | 2026-02-13 | View |
| PRICE T ROWE ASSOCIATES INC /MD/ | $1,105,984 | 51,298 | Shares | Defined | 2026-02-17 | View |
| HRT FINANCIAL LLC | $1,060,105 | 49,170 | Shares | Defined | 2026-02-12 | View |
| Point72 Asset Management, L.P. | $1,052,128 | 48,800 | Shares | Defined | 2026-02-17 | View |
| VICTORY CAPITAL MANAGEMENT INC | $1,000,642 | 46,412 | Shares | Sole | 2026-02-13 | View |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $993,420 | 46,077 | Shares | Sole | 2026-02-17 | View |
| Bridgefront Capital, LLC | $974,468 | 45,198 | Shares | Sole | 2026-02-13 | View |
| Caption Management, LLC | $970,200 | 45,000 | Shares | Sole | 2026-02-17 | View |
| PRUDENTIAL FINANCIAL INC | $969,014 | 44,945 | Shares | Defined | 2026-02-13 | View |
| AMERICAN CENTURY COMPANIES INC | $944,608 | 43,813 | Shares | Defined | 2026-02-13 | View |
| Walleye Trading LLC | $855,932 | 39,700 | Shares | Sole | 2026-02-13 | View |
| GREAT WEST LIFE ASSURANCE CO /CAN/ | $845,691 | 39,225 | Shares | Sole | 2026-02-13 | View |
| Walleye Trading LLC | $842,996 | 39,100 | Shares | Sole | 2026-02-13 | View |
| MILLENNIUM MANAGEMENT LLC | $836,161 | 38,783 | Shares | Sole | 2026-02-17 | View |
| WINTON GROUP Ltd | $767,622 | 35,604 | Shares | Sole | 2026-02-11 | View |