VANGUARD GROUP INC 13D and 13G filings for Cogent Communications Holdings, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-03-26 5:15 pm Sale | 2026-03-13 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | VANGUARD GROUP INC | 0 0.000% | -5,081,633 (Position Closed) | Filing |
| 2024-02-13 5:02 pm Sale | 2023-12-29 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | VANGUARD GROUP INC | 5,081,633 10.450% | -144,398 (-2.76%) | Filing |
| 2023-02-09 11:15 am Purchase | 2022-12-30 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | VANGUARD GROUP INC | 5,226,031 10.890% | 390,869 (+8.08%) | Filing |
| 2022-02-09 3:43 pm Purchase | 2021-12-31 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | VANGUARD GROUP INC | 4,835,162 10.140% | 70,225 (+1.47%) | Filing |