CCOI · Company research
Cogent Communications Holdings, Inc. (CCOI): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
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Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| FourWorld Capital Management LLC | 1770525 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 265500 | 3685140 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Brevan Howard Capital Management LP | 1512857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19657 | 272839 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AYAL Capital Advisors Ltd | 2011524 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 400000 | 5552000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 1632972 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11172 | 140879 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42000 | 582960 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Salomon & Ludwin, LLC | 1766156 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 87 | 1242 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Signature Resources Capital Management, LLC | 1940917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3 | 46 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| Invesco Ltd. | 914208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 219610 | 3048187 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MYDA Advisors LLC | 1589689 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 240000 | 3331200 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2569 | 35667 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Skylands Capital, LLC | 1299910 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 98425 | 1366139 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| OCCUDO QUANTITATIVE STRATEGIES LP | 1819697 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 33639 | 466909 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MAGNOLIA GROUP, LLC | 1618376 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 979686 | 13598042 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| FMR LLC | 315066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 163440 | 2268547 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Quarry LP | 1965207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38 | 527 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 344108 | 4776219 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| HUNTINGTON NATIONAL BANK | 49205 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 14 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2017 | 27996 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22378 | 310607 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Pekin Hardy Strauss, Inc. | 1020317 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15450 | 214446 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 129227 | 1793671 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 73289 | 1018 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 45220 | 627658 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Buck Wealth Strategies, LLC | 1973259 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 14 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | 315297 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6256 | 87 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Sixth Street Partners Management Company, L.P. | 1812095 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 805244 | 11176787 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BOOTHBAY FUND MANAGEMENT, LLC | 1549230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 118403 | 1643434 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Swiss National Bank | 1582202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 98000 | 1360240 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4257 | 59000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WOLVERINE ASSET MANAGEMENT LLC | 1279891 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28700 | 398356 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Jump Financial, LLC | 1831577 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 250154 | 3472137 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2037716 | 28283498 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3923 | 54451 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15769 | 218874 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| VANGUARD ASSET MANAGEMENT, Ltd | 1680208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30615 | 424936 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VICTORY CAPITAL MANAGEMENT INC | 1040188 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46394 | 643949 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Clearstead Advisors, LLC | 842775 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 29 | 403 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Louisiana State Employees Retirement System | 1537191 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21000 | 395640 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 163179 | 2264925 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Transamerica Financial Advisors, LLC | 1502149 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9 | 124 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 287900 | 3996052 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LPL Financial LLC | 1403438 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 122316 | 1697746 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Schonfeld Strategic Advisors LLC | 1665241 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 86639 | 1202547 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46501 | 645434 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Caption Management, LLC | 1706766 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 47500 | 659300 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2779367 | 38577614 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Nykredit A/S | 1847328 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2298 | 31896 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Pinnacle Wealth Planning Services, Inc. | 1726752 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1016 | 14102 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| FIRST HORIZON CORP | 36966 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6 | 83 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| ARIZONA STATE RETIREMENT SYSTEM | 1558481 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13479 | 187089 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Cerity Partners LLC | 1566475 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6126 | 85030 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU SA | 2071170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3300 | 45804 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Quadrature Capital Ltd | 1651424 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13228 | 183605 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 229408 | 3014421 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Jupiter Topco LLC | 2146052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21111 | 292915 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Squarepoint Ops LLC | 1642575 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 226035 | 3137366 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Global Endowment Management, LP | 1512237 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 158582 | 2201000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| UMB Bank, n.a. | 933429 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 335 | 4650 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Park West Asset Management LLC | 1386928 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3106339 | 43115985 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 156300 | 2169444 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Rangeley Capital, LLC | 1517796 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14000 | 194320 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Abound Wealth Management | 1950323 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 28 | — | — | — | Jul 10, 2026 | SEC_13F_DATASET |
| PRINCIPAL FINANCIAL GROUP INC | 1126328 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 229861 | 3190470 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44000 | 610720 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Point72 Asset Management, L.P. | 1603466 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22300 | 309524 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SHRIER WEALTH MANAGEMENT, LLC | 2075389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23453 | 325531 | — | — | — | Jul 9, 2026 | SEC_13F_DATASET |
| Clear Harbor Asset Management, LLC | 1511857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20246 | 281014 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 752005 | 54179 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 1141802 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 146 | 2026 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| EdgePoint Investment Group Inc. | 1481669 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2283378 | 31693287 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PFG Investments, LLC | 1973224 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10257 | 142369 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Evolution Advisers, Inc. | 1906967 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8 | 0 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| NATIXIS | 1274981 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17200 | 238736 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Ankerstar Wealth, LLC | 2053917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7 | 97 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16595 | 230338 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Smartleaf Asset Management LLC | 2010393 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 234 | 3075 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5283496 | 73334924 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2384929 | 33102815 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| FIFTH THIRD BANCORP | 35527 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10818 | 150154 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Fulcrum Asset Management LLP | 1353395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4642 | 60996 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.