Quick Takeaways
- BlackRock, Inc. filed SCHEDULE 13G/A for COGENT COMMUNICATIONS HOLDINGS, INC. Common Stock (CCOI).
- Disclosed ownership: 14%.
- Date of event: 31 Dec 2025.
BlackRock, Inc. - 31 Dec 2025 SCHEDULE 13G/A Report for COGENT COMMUNICATIONS HOLDINGS, INC. Common Stock (CCOI)
- Filing Manager
- BlackRock, Inc.
- Reporting Manager
- BlackRock, Inc.
- Symbol
- CCOI
- Shares outstanding
- 49,086,090 shares
- Disclosed Ownership
- 7,068,397 shares
- Ownership
- 14%
- Form type
- SCHEDULE 13G/A
- Filing time
- 23 Jan 2026, 10:57:25 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 18 Jul 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"BlackRock, Inc. disclosed 14% ownership in COGENT COMMUNICATIONS HOLDINGS, INC. Common Stock (CCOI) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 18 Jul 2025.
- Current filing was accepted on 23 Jan 2026, 10:57.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | 7,068,397 | 6,977,171 | 0 | Spencer Fleming | Managing Director |