CCOI
Cogent Communications Holdings, Inc. · Communication Services · Telecommunications Services
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 25.17K | $240,606 | n/a | n/a |
| Q2 2026 | 74 | +1 | 24.15M | $335.24M | +6 | −5 |
| Q1 2026 | 76 | -2 | 24.18M | $454.93M | +6 | −8 |
| Q4 2025 | 78 | -1 | 27.66M | $596.35M | +1 | −2 |
| Q3 2025 | 16 | +2 | 20.31M | $778.74M | +2 | n/a |
| Q2 2025 | 11 | -1 | 17.04M | $821.72M | n/a | −1 |
| Q1 2025 | 9 | 0 | 4.54M | $278.65M | +2 | −2 |
| Q4 2024 | 9 | -1 | 5.00M | $385.13M | n/a | −1 |
| Q3 2024 | 9 | +2 | 3.34M | $253.67M | +2 | n/a |
| Q2 2024 | 7 | n/a | 3.37M | $190.05M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 1.09M | n/a | $61.31M | 0.1% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.01M | n/a | $57.08M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 3 | Capital World Investors ✦ | 981.62K | n/a | $55.40M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Norges Bank ✦ (passive) | 129.32K | n/a | $7.30M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 109.99K | n/a | $6.21M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 28.50K | n/a | $1.61M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Marshall Wace ✦ | 20.20K | n/a | $1.14M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 232 holders, 52.23M shares, $967.26M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 2.40K sh · $22,104
Officer · 4.85K sh · $45,445
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology