Cogent Communications HoldinCCOI
13F holders, Q1 2025 (March 31)320holders +6
40new positions
32sold out
4famous investors
$61.31avg. 13F price*
At the end of Q1 2025, 320 institutions reported holding Cogent Communications Holdin (CCOI) in their 13F filings, up 6 from Q4 2024. 40 opened new positions and 32 sold out. The largest holders were BlackRock, Inc. ($405.1M), Vanguard Group Inc. ($310.0M) and EdgePoint Investment Group Inc. ($123.4M). 4 famous investors held it, including Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Cogent Communications Holdin
- CUSIP
- 19239V302
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 40 | $82.1M |
| Exits | 32 | $58.0M |
All 13F filers, Q4 2024 → Q1 2025: 3,427,150 shares bought and 2,940,830 shares sold, net +486,320 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 320 holders
| BlackRock, Inc. | 0.01% | Reduce -2.8% | 6,606,661 | $405.1M |
| Vanguard Group Inc. | 0.01% | Reduce -1.1% | 5,056,772 | $310.0M |
| EdgePoint Investment Group Inc. | 1.00% | Add +30.4% | 2,012,297 | $123.4M |
| State Street Corp. | 0.00% | Reduce -3.4% | 1,774,725 | $108.8M |
| Brown Advisory Inc. | 0.15% | Reduce -11.9% | 1,671,470 | $102.5M |
| Hood River Capital Management LLC | 1.27% | Reduce -15.7% | 1,211,918 | $74.3M |
| Geode Capital Management, LLC | 0.01% | Add +2.7% | 1,040,312 | $63.8M |
| Thrivent Financial for Lutherans | 0.14% | Add +0.1% | 1,040,389 | $63.8M |
| DigitalBridge Group, Inc. | 4.89% | Add +7.4% | 975,078 | $59.8M |
| MIG Capital, LLC | 7.51% | Reduce -16.7% | 963,034 | $59.0M |
| Capital World Investors | 0.01% | Reduce -2.7% | 955,288 | $58.6M |
| Morgan Stanley | 0.00% | Add +0.2% | 915,305 | $56.1M |
| Harspring Capital Management, LLC | 20.74% | Reduce -14.5% | 884,797 | $54.2M |
| FMR LLC | 0.00% | Add +3.3% | 835,469 | $51.2M |
| Reaves W H & Co. Inc. | 1.26% | Add +15.7% | 808,061 | $49.5M |
| Ameriprise Financial Inc. | 0.01% | Reduce -0.8% | 746,437 | $45.8M |
| Broad Run Investment Management, LLC | 7.14% | Reduce -0.3% | 698,063 | $42.8M |
| Westwood Holdings Group Inc. | 0.32% | Add +15.3% | 673,921 | $41.3M |
| Renaissance Technologies | 0.06% | Reduce -12.9% | 644,415 | $39.5M |
| Senator Investment Group LP | 1.91% | Add +0.5% | 586,474 | $36.0M |
| Invesco Ltd. | 0.01% | Add +5.6% | 544,575 | $33.4M |
| Captrust Financial Advisors | 0.08% | New | 539,084 | $33.1M |
| Northern Trust Corp. | 0.00% | Reduce -1.0% | 525,824 | $32.2M |
| Newtyn Management, LLC | 5.09% | No change | 525,000 | $32.2M |
| Bank of New York Mellon Corp | 0.01% | Reduce -2.7% | 524,472 | $32.2M |
| Raymond James Financial Inc. | 0.01% | Reduce -1.4% | 509,748 | $31.3M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -1.1% | 503,724 | $30.9M |
| Tyro Capital Management LLC | 11.24% | Add +16.9% | 492,103 | $30.2M |
| Goldman Sachs Group Inc. | 0.01% | Add +26.9% | 476,513 | $29.2M |
| 14B Captial Management LP | 11.44% | Add +77.8% | 448,000 | $27.5M |
| Ulysses Management LLC | 5.77% | No change | 372,166 | $22.8M |
| Dimensional Fund Advisors LP | 0.01% | Add +87.1% | 348,066 | $21.3M |
| M&G PLC | 0.13% | Add +2.4% | 323,236 | $19.7M |
| Jennison Associates LLC | 0.01% | Reduce -3.1% | 299,016 | $18.3M |
| 683 Capital Management, LLC | 2.01% | Reduce -1.7% | 295,000 | $18.1M |
| Qube Research & Technologies Ltd | 0.03% | New | 281,710 | $17.3M |
| Beaconlight Capital, LLC | 11.49% | Reduce -18.8% | 274,272 | $16.8M |
| First Trust Advisors LP | 0.01% | Add +2.7% | 263,727 | $16.2M |
| SG Capital Management LLC | 1.58% | Add +26.6% | 255,616 | $15.7M |
| River Road Asset Management, LLC | 0.20% | Reduce -7.6% | 240,652 | $14.8M |
| Emerald Advisers, LLC | 0.64% | Reduce -3.8% | 232,272 | $14.2M |
| Principal Financial Group Inc. | 0.01% | Add +2.3% | 210,977 | $12.9M |
| Blair William & Co. | 0.04% | Reduce -2.6% | 203,297 | $12.5M |
| HERALD INVESTMENT MANAGEMENT Ltd | 2.31% | No change | 200,600 | $12.3M |
| Legal & General Group Plc | 0.00% | Reduce -0.9% | 197,801 | $12.1M |
| BlackBarn Capital Partners LP | 3.98% | New | 190,000 | $11.6M |
| Granahan Investment Management, LLC | 0.57% | Add +6.4% | 185,582 | $11.4M |
| Advisors Asset Management, Inc. | 0.21% | Reduce -3.8% | 184,195 | $11.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.02% | Reduce -2.1% | 184,028 | $11.3M |
| Jane Street Group, LLC | 0.02% | Add +781.5% | 174,482 | $10.7M |
| Frontier Capital Management Co. LLC | 0.11% | Reduce -3.0% | 165,199 | $10.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +23.4% | 161,791 | $9.9M |
| Turtle Creek Asset Management Inc. | 0.28% | Add +29.1% | 161,577 | $9.9M |
| Sei Investments Co. | 0.01% | Reduce -6.5% | 152,693 | $9.4M |
| Emerald Mutual Fund Advisers Trust | 0.65% | No change | 144,344 | $8.8M |
| Ceredex Value Advisors LLC | 0.19% | Reduce -19.6% | 143,050 | $8.8M |
| Public Sector Pension Investment Board | 0.04% | Add +27.3% | 133,913 | $8.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -0.9% | 132,440 | $8.1M |
| Redmond Asset Management, LLC | 2.05% | Add +1.9% | 129,656 | $7.9M |
| Nuveen, LLC | 0.00% | — | 128,179 | $7.9M |
| Rhumbline Advisers | 0.01% | Add +1.0% | 124,020 | $7.6M |
| State of Wisconsin Investment Board | 0.02% | Add +4.5% | 123,732 | $7.6M |
| UBS Group AG | 0.00% | Reduce -1.7% | 123,584 | $7.6M |
| Bank of America Corp. | 0.00% | Add +129.9% | 123,398 | $7.6M |
| Loomis Sayles & Co. L P | 0.01% | Add +32.5% | 121,751 | $7.5M |
| Edgestream Partners, L.P. | 0.24% | Add +30.1% | 115,223 | $7.1M |
| Boothbay Fund Management, LLC | 0.24% | Reduce -5.5% | 109,464 | $6.7M |
| ProShare Advisors LLC | 0.02% | Reduce -2.1% | 109,440 | $6.7M |
| Verition Fund Management LLC | 0.04% | Reduce -30.8% | 108,515 | $6.7M |
| Prelude Capital Management, LLC | 0.58% | Reduce -30.0% | 93,816 | $5.8M |
| Swiss National Bank | 0.00% | Reduce -1.4% | 90,300 | $5.5M |
| Advantage Alpha Capital Partners LP | 1.33% | Add +18.8% | 88,653 | $5.4M |
| MYDA Advisors LLC | 1.87% | Reduce -33.9% | 86,000 | $5.3M |
| Wells Fargo & Company | 0.00% | Reduce -21.9% | 84,200 | $5.2M |
| Skylands Capital, LLC | 0.72% | Add +16.1% | 81,375 | $5.0M |
| Madison Asset Management, LLC | 0.06% | Reduce -1.1% | 81,264 | $5.0M |
| Crescent Park Management, L.P. | 2.37% | Reduce -7.6% | 77,140 | $4.7M |
| CIBC Private Wealth Group LLC | 0.01% | Reduce -1.9% | 87,812 | $4.4M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.03% | Reduce -1.8% | 71,146 | $4.4M |
| Citigroup Inc. | 0.00% | Reduce -7.9% | 65,206 | $4.0M |
| Susquehanna International Group, LLP | 0.01% | Add +229.1% | 63,971 | $3.9M |
| Deutsche Bank AG | 0.00% | Add +8.9% | 62,846 | $3.9M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -10.2% | 62,042 | $3.8M |
| Oppenheimer & Co. Inc. | 0.06% | Add +22.4% | 61,709 | $3.8M |
| Barclays PLC | 0.00% | Reduce -26.3% | 61,345 | $3.8M |
| Prudential Financial Inc. | 0.00% | Reduce -3.6% | 41,500 | $3.3M |
| Alliancebernstein L.P. | 0.00% | Reduce -0.3% | 52,597 | $3.2M |
| GLOBALT Investments LLC / GA | 0.13% | Add +0.1% | 51,930 | $3.2M |
| Twinbeech Capital LP | 0.06% | New | 51,837 | $3.2M |
| Citadel Advisors | 0.00% | Reduce -83.9% | 51,236 | $3.1M |
| New York State Teachers Retirement System | 0.01% | Reduce -0.2% | 50,910 | $3.1M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -6.3% | 49,344 | $3.0M |
| Lanark Financial, Inc. | 0.26% | — | 48,917 | $3.0M |
| Intech Investment Management LLC | 0.03% | Add +20.5% | 48,748 | $3.0M |
| PNC Financial Services Group, Inc. | 0.00% | Add +2.2% | 47,386 | $2.9M |
| LPL Financial LLC | 0.00% | Add +6.5% | 46,947 | $2.9M |
| Azimuth Capital Investment Management LLC | 0.11% | Add +5.1% | 45,185 | $2.8M |
| Asset Management One Co., Ltd. | 0.01% | Reduce -6.4% | 44,161 | $2.7M |
| Atom Investors LP | 0.33% | Add +655.6% | 43,869 | $2.7M |
| California State Teachers Retirement System | 0.00% | Reduce -1.4% | 42,755 | $2.6M |
"% of holder's portfolio" is CCOI's weight in each manager's 13F, not the share of Cogent Communications Holdin the manager owns.