WASHINGTON, DC
COGENT COMMUNICATIONS HOLDINGS, INC.CCOI— Latest position per institution from SEC 13F filings
15
Institutional holders
53.84M
Total shares held
1.34B
Estimated value
2.69M
Avg. position size
TURTLE CREEK ASSET MANAGEMENT INC.
CIK 1484148
Shares
8.25M
Value
155.48M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
7.08M
Value
133.30M
Filed
Mar 31, 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
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.75M
Value
51.79M
Filed
Mar 31, 2026
EDGEPOINT INVESTMENT GROUP INC.
CIK 1481669
Shares
2.28M
Value
43.02M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
2.27M
Value
42.83M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.12M
Value
39.95M
Filed
Mar 31, 2026
PARK WEST ASSET MANAGEMENT LLC
CIK 1386928
Shares
1.94M
Value
36.46M
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
1.88M
Value
35.48M
Filed
Mar 31, 2026
NEWTYN MANAGEMENT, LLC
CIK 1569241
Shares
1.60M
Value
30.14M
Filed
Mar 31, 2026
TYRO CAPITAL MANAGEMENT LLC
CIK 1915395
Shares
1.60M
Value
30.14M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
1.47M
Value
27.79M
Filed
Mar 31, 2026
MAGNOLIA GROUP, LLC
CIK 1618376
Shares
1.29M
Value
24.31M
Filed
Mar 31, 2026
HOOD RIVER CAPITAL MANAGEMENT LLC
CIK 1578177
Shares
1.21M
Value
74.30M
Filed
Mar 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.21M
Value
22.72M
Filed
Mar 31, 2026
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
HARSPRING CAPITAL MANAGEMENT, LLC
CIK 1652327
Shares
1.09M
Value
20.48M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.08M
Value
20.32M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | TURTLE CREEK ASSET MANAGEMENT INC. | 1484148 | 8.25M | 155.48M | Mar 31, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 7.08M | 133.30M | Mar 31, 2026 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 6.81M | 384.60M | Jun 30, 2024 |
| 4 | VANGUARD GROUP INC | 102909 | 5.58M | 120.31M | Dec 31, 2025 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.75M | 51.79M | Mar 31, 2026 |
| 6 | EDGEPOINT INVESTMENT GROUP INC. | 1481669 | 2.28M | 43.02M | Mar 31, 2026 |
| 7 | STATE STREET CORP | 93751 | 2.27M | 42.83M | Mar 31, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.12M | 39.95M | Mar 31, 2026 |
| 9 | PARK WEST ASSET MANAGEMENT LLC | 1386928 | 1.94M | 36.46M | Mar 31, 2026 |
| 10 | MORGAN STANLEY | 895421 | 1.88M | 35.48M | Mar 31, 2026 |
| 11 | NEWTYN MANAGEMENT, LLC | 1569241 | 1.60M | 30.14M | Mar 31, 2026 |
| 12 | TYRO CAPITAL MANAGEMENT LLC | 1915395 | 1.60M | 30.14M | Mar 31, 2026 |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 1.47M | 27.79M | Mar 31, 2026 |
| 14 | MAGNOLIA GROUP, LLC | 1618376 | 1.29M | 24.31M | Mar 31, 2026 |
| 15 | HOOD RIVER CAPITAL MANAGEMENT LLC | 1578177 | 1.21M | 74.30M | Mar 31, 2025 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.21M | 22.72M | Mar 31, 2026 |
| 17 | FIRST TRUST ADVISORS LP | 1125816 | 1.18M | 25.38M | Dec 31, 2025 |
| 18 | DIGITALBRIDGE GROUP, INC. | 1679688 | 1.14M | 21.53M | Mar 31, 2026 |
| 19 | HARSPRING CAPITAL MANAGEMENT, LLC | 1652327 | 1.09M | 20.48M | Mar 31, 2026 |
| 20 | CITADEL ADVISORS LLC | 1423053 | 1.08M | 20.32M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.