Cogent Communications HoldinCCOI
13F holders, Q4 2025 (December 31)246holders −20
44new positions
71sold out
6famous investors
$21.56avg. 13F price*
At the end of Q4 2025, 246 institutions reported holding Cogent Communications Holdin (CCOI) in their 13F filings, down 20 from Q3 2025. 44 opened new positions and 71 sold out. The largest holders were BlackRock, Inc. ($155.0M), Vanguard Group Inc. ($120.3M) and Turtle Creek Asset Management Inc. ($87.0M). 6 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Cogent Communications Holdin
- CUSIP
- 19239V302
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 44 | $57.9M |
| Exits | 71 | $191.9M |
All 13F filers, Q3 2025 → Q4 2025: 9,343,278 shares bought and 11,716,547 shares sold, net −2,373,269 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 246 holders
| BlackRock, Inc. | 0.00% | Add +4.3% | 7,191,017 | $155.0M |
| Vanguard Group Inc. | 0.00% | Add +4.0% | 5,580,271 | $120.3M |
| Turtle Creek Asset Management Inc. | 3.83% | Reduce -12.3% | 4,036,847 | $87.0M |
| EdgePoint Investment Group Inc. | 0.40% | Add +0.1% | 2,283,378 | $49.2M |
| State Street Corp. | 0.00% | Add +6.8% | 2,070,132 | $44.6M |
| Park West Asset Management LLC | 2.56% | New | 1,409,096 | $30.4M |
| Harspring Capital Management, LLC | 11.22% | Add +60.3% | 1,402,500 | $30.2M |
| Newtyn Management, LLC | 3.19% | Add +100.0% | 1,400,000 | $30.2M |
| Morgan Stanley | 0.00% | Reduce -30.4% | 1,252,451 | $27.0M |
| Magnolia Group, LLC | 4.43% | Reduce -2.0% | 1,246,337 | $26.9M |
| Bank of America Corp. | 0.00% | Add +4.8% | 1,201,461 | $25.9M |
| Geode Capital Management, LLC | 0.00% | Add +2.8% | 1,179,231 | $25.4M |
| First Trust Advisors LP | 0.02% | Add +86.8% | 1,177,398 | $25.4M |
| FMR LLC | 0.00% | Add +265.3% | 815,939 | $17.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +16.0% | 666,932 | $14.4M |
| Broad Run Investment Management, LLC | 2.66% | Add +3.0% | 663,700 | $14.3M |
| BlackBarn Capital Partners LP | 5.02% | Add +73.3% | 650,000 | $14.0M |
| DigitalBridge Group, Inc. | 1.06% | Reduce -25.2% | 636,169 | $13.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +48.4% | 614,549 | $13.2M |
| CenterBook Partners LP | 0.63% | Add +254.5% | 601,735 | $13.0M |
| 683 Capital Management, LLC | 1.13% | Reduce -7.7% | 600,000 | $12.9M |
| MIG Capital, LLC | 2.08% | New | 569,220 | $12.3M |
| Oakum Bay Capital LLC | 6.07% | — | 543,582 | $11.7M |
| Royal Bank of Canada | 0.00% | Add +189.5% | 498,966 | $10.8M |
| Northern Trust Corp. | 0.00% | Reduce -1.3% | 498,973 | $10.8M |
| Gilder Gagnon Howe & Co. LLC | 0.11% | Add +186.5% | 494,108 | $10.7M |
| Palliser Capital (UK) Ltd | 6.26% | Add +94.8% | 426,184 | $9.2M |
| Frontier Capital Management Co. LLC | 0.08% | Add +32.0% | 345,803 | $7.5M |
| Man Group plc | 0.01% | Add +2685.1% | 326,168 | $7.0M |
| D. E. Shaw & Co. | 0.00% | Reduce -28.7% | 280,136 | $6.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -48.1% | 276,933 | $6.0M |
| Invesco Ltd. | 0.00% | Reduce -81.3% | 262,068 | $5.7M |
| Reaves W H & Co. Inc. | 0.10% | Reduce -38.8% | 259,098 | $5.6M |
| UBS Group AG | 0.00% | Reduce -34.0% | 248,555 | $5.4M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.68% | No change | 242,600 | $5.2M |
| Jane Street Group, LLC | 0.01% | Reduce -45.5% | 236,836 | $5.1M |
| Principal Financial Group Inc. | 0.00% | Reduce -1.1% | 227,044 | $4.9M |
| Boothbay Fund Management, LLC | 0.13% | Reduce -29.6% | 220,028 | $4.7M |
| Granahan Investment Management, LLC | 0.20% | Add +99.1% | 217,025 | $4.7M |
| Redmond Asset Management, LLC | 1.10% | Add +45.8% | 200,082 | $4.3M |
| Legal & General Group Plc | 0.00% | Reduce -0.4% | 198,994 | $4.3M |
| Advisors Asset Management, Inc. | 0.07% | Reduce -6.6% | 181,650 | $3.9M |
| Nishkama Capital, LLC | 0.52% | Add +70.0% | 179,661 | $3.9M |
| Blair William & Co. | 0.01% | Reduce -26.2% | 177,655 | $3.8M |
| 14B Captial Management LP | 2.95% | Reduce -62.2% | 170,000 | $3.7M |
| Nuveen, LLC | 0.00% | Add +3.0% | 169,700 | $3.7M |
| JPMorgan Chase & Co. | 0.00% | Reduce -68.8% | 168,603 | $3.6M |
| Citadel Advisors | 0.00% | Add +104.0% | 167,124 | $3.6M |
| Edgestream Partners, L.P. | 0.10% | Add +127.0% | 165,979 | $3.6M |
| Public Sector Pension Investment Board | 0.01% | Reduce -11.2% | 164,692 | $3.6M |
| Citigroup Inc. | 0.00% | Add +436.1% | 159,990 | $3.4M |
| Bluefin Capital Management, LLC | 0.96% | New | 158,005 | $3.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +1.3% | 149,747 | $3.2M |
| Rhumbline Advisers | 0.00% | Add +0.1% | 137,461 | $3.0M |
| Susquehanna International Group, LLP | 0.00% | Add +828.2% | 133,453 | $2.9M |
| Walleye Capital LLC | 0.01% | Add +58.6% | 101,408 | $2.2M |
| Swiss National Bank | 0.00% | Add +6.7% | 97,000 | $2.1M |
| Renaissance Technologies | 0.00% | Reduce -52.6% | 89,031 | $1.9M |
| Barclays PLC | 0.00% | Add +34.7% | 88,314 | $1.9M |
| Simplex Trading, LLC | 0.05% | New | 84,895 | $1.8M |
| Ameriprise Financial Inc. | 0.00% | Reduce -7.5% | 84,205 | $1.8M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.01% | Add +6.5% | 81,643 | $1.8M |
| Wells Fargo & Company | 0.00% | Reduce -19.7% | 78,661 | $1.7M |
| State of Wisconsin Investment Board | 0.00% | Reduce -38.7% | 75,154 | $1.6M |
| MYDA Advisors LLC | 0.46% | Add +733.3% | 75,000 | $1.6M |
| Vest Financial, LLC | 0.02% | Add +206.4% | 74,634 | $1.6M |
| New York State Teachers Retirement System | 0.00% | Add +44.5% | 73,710 | $1.6M |
| BNP Paribas Financial Markets | 0.00% | Add +119.7% | 70,345 | $1.5M |
| SG Americas Securities, LLC | 0.00% | Add +795.4% | 68,025 | $1.5M |
| Deutsche Bank AG | 0.00% | Add +8.6% | 65,741 | $1.4M |
| Skylands Capital, LLC | 0.18% | Reduce -42.1% | 61,575 | $1.3M |
| Quantinno Capital Management LP | 0.00% | Add +676.8% | 61,207 | $1.3M |
| Alliancebernstein L.P. | 0.00% | Add +16.1% | 57,464 | $1.2M |
| Brown Advisory Inc. | 0.00% | Reduce -94.7% | 52,952 | $1.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +28.4% | 51,298 | $1.1M |
| HRT Financial LP | 0.00% | New | 49,170 | $1.1M |
| Victory Capital Management Inc. | 0.00% | Add +46.3% | 46,412 | $1.0M |
| California State Teachers Retirement System | 0.00% | Add +0.4% | 46,077 | $993K |
| Bridgefront Capital, LLC | 0.24% | Add +377.5% | 45,198 | $974K |
| Caption Management, LLC | 0.04% | Add +100.0% | 45,000 | $970K |
| Prudential Financial Inc. | 0.00% | Reduce -6.0% | 44,945 | $969K |
| American Century Companies Inc. | 0.00% | Reduce -54.0% | 43,813 | $945K |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -29.8% | 39,225 | $846K |
| Millennium Management | 0.00% | Reduce -51.4% | 38,783 | $836K |
| WINTON GROUP Ltd | 0.03% | New | 35,604 | $768K |
| Dynamic Technology Lab Private Ltd | 0.17% | New | 35,226 | $759K |
| Prairieview Wealth Partners, LLC | 0.68% | Reduce -36.5% | 34,742 | $749K |
| Jump Financial, LLC | 0.01% | New | 34,468 | $743K |
| J. Goldman & Co LP | 0.03% | New | 33,500 | $722K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -4.9% | 32,614 | $703K |
| Aquatic Capital Management LLC | 0.02% | Add +1419.5% | 31,255 | $674K |
| AQR Capital Management | 0.00% | Reduce -7.4% | 29,732 | $641K |
| TrueMark Investments, LLC | 0.12% | New | 29,662 | $640K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +52.3% | 28,868 | $622K |
| Clear Harbor Asset Management, LLC | 0.04% | Add +113.4% | 27,716 | $598K |
| MetLife Investment Management, LLC | 0.00% | No change | 26,100 | $563K |
| State of Alaska, Department of Revenue | 0.01% | Add +1.0% | 25,523 | $550K |
| Landscape Capital Management, L.L.C. | 0.04% | Add +185.6% | 24,594 | $530K |
| Creative Planning | 0.00% | Add +7.9% | 24,576 | $530K |
| Walleye Trading LLC | 0.01% | New | 24,298 | $524K |
| Pekin Hardy Strauss, Inc. | 0.05% | New | 24,050 | $519K |
| Guggenheim Capital LLC | 0.00% | Reduce -8.8% | 23,739 | $512K |
| Altfest L J & Co. Inc. | 0.05% | New | 23,265 | $502K |
| ARS Investment Partners, LLC | 0.03% | Add +29.9% | 23,000 | $496K |
| Texas Yale Capital Corp. | 0.01% | No change | 23,000 | $496K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -87.9% | 22,666 | $489K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -34.5% | 22,410 | $483K |
| Verition Fund Management LLC | 0.00% | Reduce -91.4% | 21,900 | $472K |
| Macquarie Group Ltd. | 0.00% | Reduce -10.8% | 21,880 | $472K |
| Louisiana State Employees Retirement System | 0.01% | Reduce -0.5% | 21,700 | $468K |
| Brooklyn Investment Group | 0.02% | New | 21,068 | $462K |
| Janus Henderson Group PLC | 0.00% | No change | 21,111 | $455K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -8.4% | 20,829 | $449K |
| Y-Intercept (Hong Kong) Ltd | 0.01% | New | 20,340 | $439K |
| Farringdon Capital, Ltd. | 0.11% | Reduce -14.0% | 20,106 | $433K |
| RBF Capital, LLC | 0.02% | No change | 20,000 | $431K |
| Federated Hermes, Inc. | 0.00% | Add +12361.0% | 19,813 | $427K |
| Group One Trading LLC | 0.01% | Add +186.1% | 19,707 | $425K |
| Hennion & Walsh Asset Management, Inc. | 0.01% | Reduce -0.5% | 19,337 | $417K |
| Virtu Financial LLC | 0.02% | New | 19,286 | $416K |
| LPL Financial LLC | 0.00% | Reduce -46.1% | 19,191 | $414K |
| Mercer Global Advisors Inc. | 0.00% | Add +60.0% | 18,857 | $407K |
| Twinbeech Capital LP | 0.03% | New | 18,473 | $398K |
| Salvus Wealth Management, LLC | 0.22% | Reduce -31.6% | 18,368 | $396K |
| Intech Investment Management LLC | 0.00% | Reduce -51.6% | 17,599 | $379K |
| Van Eck Associates Corp. | 0.00% | Add +14.6% | 16,841 | $363K |
| New York State Common Retirement Fund | 0.00% | No change | 15,769 | $340K |
| Oppenheimer & Co. Inc. | 0.00% | Reduce -80.3% | 15,466 | $333K |
| Handelsbanken Fonder AB | 0.00% | No change | 14,030 | $302K |
| Amalgamated Bank | 0.00% | Add +1.6% | 13,848 | $299K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +9.2% | 13,586 | $293K |
| Yousif Capital Management, LLC | 0.00% | Reduce -13.2% | 12,598 | $291K |
| Arizona State Retirement System | 0.00% | Reduce -2.5% | 13,473 | $290K |
| Bridgewater Associates | 0.00% | New | 12,963 | $279K |
| Global Endowment Management, LP | 0.03% | Add +17.5% | 12,297 | $265K |
| State of Tennessee, Department of Treasury | 0.00% | Add +2.8% | 10,836 | $263K |
| Navis Wealth Advisors, LLC | 0.11% | New | 12,000 | $259K |
| Assenagon Asset Management S.A. | 0.00% | New | 11,855 | $256K |
| Teachers Retirement System of the State of Kentucky | 0.00% | Reduce -2.5% | 11,754 | $254K |
| AlphaQuest LLC | 0.01% | Add +895.3% | 11,744 | $253K |
| Comerica Bank | 0.00% | Reduce -19.4% | 11,210 | $242K |
| Oregon Public Employees Retirement Fund | 0.00% | Add +1.5% | 10,886 | $235K |
| Nisa Investment Advisors, LLC | 0.00% | Add +35.8% | 10,820 | $233K |
| Scientech Research LLC | 0.15% | New | 10,710 | $231K |
| Resources Management Corp. /CT/ | 0.03% | Reduce -89.1% | 10,527 | $227K |
| IMC-Chicago, LLC | 0.00% | New | 10,444 | $225K |
| Fox Run Management, L.L.C. | 0.03% | New | 10,416 | $225K |
| KLP Kapitalforvaltning As | 0.00% | No change | 10,300 | $222K |
| Voleon Capital Management LP | 0.00% | New | 10,029 | $216K |
| Shrier Wealth Management, LLC | 0.09% | — | 10,000 | $216K |
| Sei Investments Co. | 0.00% | Reduce -70.0% | 9,675 | $209K |
| ProShare Advisors LLC | 0.00% | Reduce -94.7% | 9,471 | $204K |
| Natixis | 0.00% | New | 7,400 | $160K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -37.4% | 6,566 | $142K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 6,256 | $135K |
| Ensign Peak Advisors, Inc | 0.00% | Reduce -60.9% | 4,109 | $89K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,763 | $81K |
| Osaic Holdings, Inc. | 0.00% | Reduce -89.6% | 3,397 | $73K |
| Covestor Ltd | 0.04% | Add +15.3% | 3,118 | $67K |
| Inspire Investing, LLC | 0.01% | New | 2,910 | $63K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +17.5% | 2,850 | $61K |
| US Bancorp \de | 0.00% | Reduce -73.6% | 2,744 | $59K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -58.7% | 2,576 | $56K |
| North Star Investment Management Corp. | 0.00% | No change | 2,298 | $50K |
| GAMMA Investing LLC | 0.00% | Add +466.9% | 2,262 | $49K |
| Farther Finance Advisors, LLC | 0.00% | Add +56.6% | 2,092 | $45K |
| Jones Financial Companies LLLP | 0.00% | Add +75.9% | 2,063 | $44K |
| Kestra Advisory Services, LLC | 0.00% | New | 1,974 | $43K |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 0.01% | No change | 1,910 | $41K |
| Cwm, LLC | 0.00% | Reduce -41.9% | 1,875 | $40K |
| Arax Advisory Partners | 0.00% | Reduce -46.0% | 1,821 | $39K |
| KBC Group NV | 0.00% | No change | 1,761 | $38K |
| Hantz Financial Services, Inc. | 0.00% | Add +313.9% | 1,486 | $32K |
| Caitong International Asset Management Co., Ltd | 0.01% | New | 1,278 | $28K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | New | 1,232 | $27K |
| Versant Capital Management, Inc | 0.00% | Reduce -29.8% | 1,093 | $24K |
| Northwestern Mutual Wealth Management Co. | 0.00% | Add +0.4% | 1,009 | $22K |
| Public Employees Retirement System of Ohio | 0.00% | Add +58.3% | 912 | $20K |
| MAI Capital Management | 0.00% | Reduce -59.6% | 895 | $19K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +51.5% | 874 | $19K |
| Quarry LP | 0.00% | Add +22.2% | 860 | $19K |
| Atlantic Union Bankshares Corp | 0.00% | No change | 824 | $18K |
| Pin Oak Investment Advisors Inc. | 0.01% | No change | 590 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -68.3% | 587 | $13K |
| Signaturefd, LLC | 0.00% | Add +50.4% | 558 | $12K |
| Salomon & Ludwin, LLC | 0.00% | Add +63.6% | 566 | $11K |
| Wolverine Asset Management LLC | 0.00% | Reduce -87.1% | 511 | $11K |
| Danske Bank A/S | 0.00% | No change | 500 | $11K |
| Fifth Third Bancorp | 0.00% | Add +14.2% | 491 | $11K |
| Parallel Advisors, LLC | 0.00% | Reduce -18.2% | 464 | $10K |
| Los Angeles Capital Management LLC | 0.00% | New | 234 | $9K |
| Steward Partners Investment Advisory, LLC | 0.00% | Reduce -2.8% | 380 | $8K |
| Emerald Advisers, LLC | 0.00% | Reduce -99.7% | 371 | $8K |
| Allworth Financial LP | 0.00% | Add +104.4% | 370 | $8K |
| BankPlus Trust Department | 0.00% | Reduce -45.3% | 362 | $8K |
| Sterling Capital Management LLC | 0.00% | Add +189.9% | 316 | $7K |
| Huntington National Bank | 0.00% | Add +1150.0% | 300 | $6K |
| Sunbelt Securities, Inc. | 0.00% | Reduce -2.8% | 278 | $6K |
| Caitlin John, LLC | 0.00% | Reduce -10.5% | 264 | $6K |
| Lanark Financial, Inc. | 0.00% | No change | 230 | $5K |
| UMB Bank, n.a. | 0.00% | Add +37.8% | 226 | $5K |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -70.9% | 195 | $4K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Add +207.9% | 194 | $4K |
| Smartleaf Asset Management LLC | 0.00% | Reduce -75.5% | 164 | $4K |
| Parkside Financial Bank & Trust | 0.00% | Add +685.0% | 157 | $3K |
| AdvisorNet Financial, Inc | 0.00% | No change | 150 | $3K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | No change | 133 | $3K |
| Quadrant Capital Group LLC | 0.00% | Add +4.5% | 93 | $2K |
| Bessemer Group Inc. | 0.00% | Reduce -65.6% | 74 | $2K |
| Basecamp Wealth Advisors LLC | 0.00% | — | 74 | $2K |
| TD Private Client Wealth LLC | 0.00% | New | 70 | $2K |
| National Bank of Canada | 0.00% | Add +20.8% | 64 | $1K |
| IFP Advisors, Inc | 0.00% | Reduce -88.4% | 63 | $1K |
| NewEdge Advisors, LLC | 0.00% | Reduce -99.8% | 61 | $1K |
| SJS Investment Consulting Inc. | 0.00% | New | 60 | $1K |
| Millstone Evans Group, LLC | 0.00% | No change | 59 | $1K |
| LRI Investments, LLC | 0.00% | New | 57 | $1K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -73.5% | 45 | $970 |
| Prestige Wealth Management Group LLC | 0.00% | No change | 41 | $884 |
| SageView Advisory Group, LLC | 0.00% | New | 39 | $841 |
| Global Retirement Partners, LLC | 0.00% | Add +35.7% | 38 | $816 |
| Brown Brothers Harriman & Co. | 0.00% | No change | 34 | $733 |
| Rachor Investment Advisory Services, LLC | 0.00% | — | 30 | $647 |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 27 | $582 |
| Cedar Mountain Advisors, LLC | 0.00% | New | 24 | $517 |
| Rothschild Investment LLC | 0.00% | Reduce -30.0% | 21 | $453 |
| ORG Partners LLC | 0.00% | No change | 20 | $431 |
| Signature Equity Partners, LLC | 0.00% | — | 19 | $410 |
| Westside Investment Management, Inc. | 0.00% | New | 16 | $345 |
| Larson Financial Group LLC | 0.00% | New | 16 | $345 |
| Kilter Group LLC | 0.00% | Add +66.7% | 15 | $324 |
| CIBC Private Wealth Group LLC | 0.00% | Reduce -100.0% | 11 | $237 |
| Bell Investment Advisors, Inc | 0.00% | Reduce -50.0% | 10 | $216 |
| Ankerstar Wealth, LLC | 0.00% | — | 8 | $172 |
| Ares Financial Consulting, LLC | 0.00% | — | 7 | $151 |
| Crewe Advisors LLC | 0.00% | New | 6 | $130 |
| Signature Resources Capital Management, LLC | 0.00% | New | 6 | $129 |
| First Horizon Corp. | 0.00% | No change | 6 | $129 |
| Blue Trust, Inc. | 0.00% | No change | 6 | $129 |
| Gilpin Wealth Management, LLC | 0.00% | — | 4 | $87 |
| Transamerica Financial Advisors, LLC | 0.00% | New | 4 | $86 |
| Flagship Harbor Advisors, LLC | 0.00% | New | 4 | $86 |
| Abound Wealth Management | 0.00% | No change | 2 | $44 |
| Dunhill Financial, LLC | 0.00% | New | 2 | $34 |
| Sound Income Strategies, LLC | 0.00% | New | 1 | $26 |
| Torren Management, LLC | 0.00% | — | 1 | $12 |
"% of holder's portfolio" is CCOI's weight in each manager's 13F, not the share of Cogent Communications Holdin the manager owns.