BlackRock, 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 |
| 2026-01-23 10:57 am Purchase | 2025-12-31 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | BlackRock Inc. BLK | 7,068,397 14.400% | 670,457 (+10.48%) | Filing |
| 2025-07-18 2:31 pm Sale | 2025-06-30 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | BlackRock Inc. BLK | 6,397,940 13.000% | -476,847 (-6.94%) | Filing |
| 2024-11-08 2:17 pm Unchanged | 2024-09-30 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | BlackRock Inc. BLK | 6,874,787 14.000% | 0 (Unchanged) | Filing |
| 2024-10-23 5:04 pm Sale | 2024-09-30 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | BlackRock Inc. BLK | 6,874,787 14.000% | -461,254 (-6.29%) | Filing |
| 2024-01-22 3:52 pm Sale | 2023-12-31 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | BlackRock Inc. BLK | 7,336,041 15.100% | -137,887 (-1.84%) | Filing |
| 2023-01-30 09:45 am Purchase | 2022-12-31 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | BlackRock Inc. BLK | 7,473,928 15.600% | 401,873 (+5.68%) | Filing |
| 2022-01-26 8:14 pm Unchanged | 2021-12-31 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | BlackRock Inc. BLK | 7,072,055 14.800% | 0 (Unchanged) | Filing |
| 2022-01-25 11:28 am Purchase | 2021-12-31 | 13G | COGENT COMMUNICATIONS HLDGS IN CCOI | BlackRock Inc. BLK | 7,072,055 14.800% | 585,470 (+9.03%) | Filing |