CCOI
Cogent Communications Holdings, Inc. · Communication Services · Telecommunications Services
Momentum inputs (comparable managers):
holder breadth +28.6% ·
share flow -0.8% ·
net new positions +20.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — |
| Q2 2025 | 11 | -1 | 17.04M | $821.72M | — | −1 |
| Q1 2025 | 9 | 0 | 4.54M | $278.65M | +2 | −2 |
| Q4 2024 | 9 | -1 | 5.00M | $385.13M | — | −1 |
| Q3 2024 | 9 | +2 | 3.34M | $253.67M | +2 | — |
| Q2 2024 | 7 | — | 3.37M | $190.05M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 1.01M | +0.3% | $77.02M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 2 | Capital World Investors ✦ | 981.62K | 0.0% | $74.52M | 0.0% | Held | 2 | SEC ↗ |
| 3 | Renaissance Technologies ✦ | 895.16K | -17.6% | $67.96M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 4 | Citadel Advisors ✦ | 325.96K | +196.3% | $24.75M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 5 | Norges Bank ✦ (passive) | 47.18K | -63.5% | $3.58M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 28.84K | +1.2% | $2.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Marshall Wace ✦ | 28.14K | +39.3% | $2.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Millennium Management ✦ | 13.39K | New | $1.02M | 0.0% | New | 1 | SEC ↗ |
| 9 | Gotham Asset Management ✦ | 6.48K | New | $491,886 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $1.02M | 0.0% |
| Gotham Asset Management | $491,886 | 0.0% |
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