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# Who owns COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI)? Elite investor 13F holders

2 tracked elite investors reported holding COGENT COMMUNICATIONS HOLDINGS, INC as of 2026-06-30, including D.E. Shaw, Renaissance Technologies LLC. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

2 tracked investors currently reported holding · Latest report period: 2026-06-30 · Communication Services · Telecommunication Services

Cogent Communications Holdings, Inc., through its subsidiaries, provides high-speed Internet access, private network, and data center colocation space services in North America, South America, Europe, Oceania, and Africa. It offers on-net Internet access and private network services to law firms, financial services firms, and advertising and marketing firms, as well as heath care providers,…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | COGENT COMMUNICATIONS HLDGS | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 3951553.00 USD | 284694.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | COGENT COMMUNICATIONS HLDGS | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | COGENT COMMUNICATIONS HLDGS | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 683326.00 USD | 49231.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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