WASHINGTON, DC
COGENT COMMUNICATIONS HOLDINGS, INC.CCOI— Latest position per institution from SEC 13F filings
15
Institutional holders
49.94M
Total shares held
1.11B
Estimated value
2.50M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
7.38M
Value
102.38M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
6.81M
Value
384.60M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
5.58M
Value
120.31M
Filed
Dec 31, 2025
TURTLE CREEK ASSET MANAGEMENT INC.
CIK 1484148
Shares
4.20M
Value
58.34M
Filed
Jun 30, 2026
PARK WEST ASSET MANAGEMENT LLC
CIK 1386928
Shares
3.11M
Value
43.12M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.78M
Value
38.58M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.38M
Value
33.10M
Filed
Jun 30, 2026
EDGEPOINT INVESTMENT GROUP INC.
CIK 1481669
Shares
2.28M
Value
31.69M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.04M
Value
28.28M
Filed
Jun 30, 2026
NEWTYN MANAGEMENT, LLC
CIK 1569241
Shares
1.66M
Value
22.98M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.63M
Value
22.60M
Filed
Jun 30, 2026
TYRO CAPITAL MANAGEMENT LLC
CIK 1915395
Shares
1.60M
Value
30.14M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.25M
Value
17.29M
Filed
Jun 30, 2026
HOOD RIVER CAPITAL MANAGEMENT LLC
CIK 1578177
Shares
1.21M
Value
74.30M
Filed
Mar 31, 2025
FIRST TRUST ADVISORS LP
CIK 1125816
Shares
1.18M
Value
25.38M
Filed
Dec 31, 2025
DIGITALBRIDGE GROUP, INC.
CIK 1679688
Shares
1.14M
Value
21.53M
Filed
Mar 31, 2026
MAGNOLIA GROUP, LLC
CIK 1618376
Shares
979.69K
Value
13.60M
Filed
Jun 30, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
973.14K
Value
13.51M
Filed
Jun 30, 2026
683 CAPITAL MANAGEMENT, LLC
CIK 1404574
Shares
950.30K
Value
17.90M
Filed
Mar 31, 2026
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P.
CIK 1812095
Shares
805.24K
Value
11.18M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 7.38M | 102.38M | Jun 30, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 6.81M | 384.60M | Jun 30, 2024 |
| 3 | VANGUARD GROUP INC | 102909 | 5.58M | 120.31M | Dec 31, 2025 |
| 4 | TURTLE CREEK ASSET MANAGEMENT INC. | 1484148 | 4.20M | 58.34M | Jun 30, 2026 |
| 5 | PARK WEST ASSET MANAGEMENT LLC | 1386928 | 3.11M | 43.12M | Jun 30, 2026 |
| 6 | STATE STREET CORP | 93751 | 2.78M | 38.58M | Jun 30, 2026 |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.38M | 33.10M | Jun 30, 2026 |
| 8 | EDGEPOINT INVESTMENT GROUP INC. | 1481669 | 2.28M | 31.69M | Jun 30, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.04M | 28.28M | Jun 30, 2026 |
| 10 | NEWTYN MANAGEMENT, LLC | 1569241 | 1.66M | 22.98M | Jun 30, 2026 |
| 11 | CITADEL ADVISORS LLC | 1423053 | 1.63M | 22.60M | Jun 30, 2026 |
| 12 | TYRO CAPITAL MANAGEMENT LLC | 1915395 | 1.60M | 30.14M | Mar 31, 2026 |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.25M | 17.29M | Jun 30, 2026 |
| 14 | HOOD RIVER CAPITAL MANAGEMENT LLC | 1578177 | 1.21M | 74.30M | Mar 31, 2025 |
| 15 | FIRST TRUST ADVISORS LP | 1125816 | 1.18M | 25.38M | Dec 31, 2025 |
| 16 | DIGITALBRIDGE GROUP, INC. | 1679688 | 1.14M | 21.53M | Mar 31, 2026 |
| 17 | MAGNOLIA GROUP, LLC | 1618376 | 979.69K | 13.60M | Jun 30, 2026 |
| 18 | GOLDMAN SACHS GROUP INC | 886982 | 973.14K | 13.51M | Jun 30, 2026 |
| 19 | 683 CAPITAL MANAGEMENT, LLC | 1404574 | 950.30K | 17.90M | Mar 31, 2026 |
| 20 | SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. | 1812095 | 805.24K | 11.18M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.