Security record · archived quarter
CCOI
Cogent Communications Holdings, Inc. · Communication Services · Telecommunications Services
76Tracked holders
-2Δ holders
24.18MShares held
$454.93MReported value
+6New positions
−8Exits
Momentum inputs (comparable managers):
holder breadth -2.6% ·
share flow -0.1% ·
net new positions -2.6%
· formula
Broad distribution: falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| 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 |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 7.08M | -1.6% | $133.30M | 0.0% | ▼ Trim | 4 | SEC ↗ ×14 |
| 2 | State Street Global Advisors ✦ (passive) | 2.27M | +9.8% | $42.83M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 2.12M | n/a | $39.95M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Morgan Stanley ✦ | 1.88M | +50.4% | $35.48M | 0.0% | ▲ Add | 3 | SEC ↗ ×10 |
| 5 | Geode Capital Management ✦ (passive) | 1.21M | +2.2% | $22.72M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 6 | Charles Schwab Investment… | 760.12K | +14.0% | $14.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | D. E. Shaw & Co. ✦ | 738.82K | +163.7% | $13.92M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 8 | Goldman Sachs Group ✦ | 712.93K | +16.0% | $13.43M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 9 | Fidelity (FMR) ✦ | 588.79K | -27.8% | $11.09M | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
| 10 | Hrt Financial Lp | 509.10K | +935.4% | $9.59M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Northern Trust Corp | 497.19K | -0.4% | $9.37M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 12 | JPMorgan Chase ✦ | 492.47K | +192.1% | $8.60M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 13 | Citadel Advisors ✦ | 426.28K | +155.1% | $8.03M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 14 | UBS Group AG | 425.97K | +71.4% | $8.03M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 15 | Bank Of America Corp /De/ | 302.39K | -74.8% | $5.70M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | Jane Street Group, Llc | 277.49K | +17.2% | $5.23M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 17 | Bank of New York Mellon Corp | 264.57K | -4.5% | $4.98M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 18 | Invesco Ltd. | 242.43K | -7.5% | $4.57M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 19 | Principal Financial Group Inc | 232.21K | +2.3% | $4.37M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 20 | Millennium Management ✦ | 228.40K | +488.9% | $4.30M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 209.91K | +606.0% | $3.95M | 0.0% | ▲ Add | 5 | SEC ↗ ×7 |
| 22 | Nuveen, LLC | 168.50K | -0.7% | $3.17M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 23 | Blair William & Co/Il | 166.52K | -6.3% | $3.14M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 24 | Tudor Investment Corp Et Al | 139.69K | New | $2.63M | 0.0% | New | 1 | SEC ↗ |
| 25 | Rhumbline Advisers | 137.92K | +0.3% | $2.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | UBS AM, a distinct business unit of… | 136.70K | -8.7% | $2.58M | 0.0% | ▼ Trim | 2 | SEC ↗ ×9 |
| 27 | Susquehanna International Group, Llp | 130.11K | -2.5% | $2.45M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 28 | Quantinno Capital Management LP | 108.88K | +77.9% | $2.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Legal & General Group Plc | 106.63K | -46.4% | $2.01M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 30 | Wells Fargo & Company/Mn | 98.68K | +25.4% | $1.86M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 31 | Swiss National Bank | 97.00K | 0.0% | $1.83M | 0.0% | Held | 2 | SEC ↗ |
| 32 | Simplex Trading, Llc | 91.89K | +8.2% | $1.73M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 33 | LPL Financial LLC | 90.58K | +372.0% | $1.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Man Group plc | 90.23K | -72.3% | $1.70M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 35 | Ameriprise Financial Inc | 80.70K | -4.2% | $1.52M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 36 | Bnp Paribas Financial Markets | 77.81K | +10.6% | $1.47M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | State Of Wisconsin Investment Board | 74.45K | -0.9% | $1.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 38 | Renaissance Technologies ✦ | 67.13K | -24.6% | $1.26M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 39 | T. Rowe Price ✦ | 61.81K | +20.5% | $1.17M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 40 | Alliancebernstein L.P. | 50.32K | -12.4% | $1.08M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 41 | Brown Advisory Inc | 56.43K | +6.6% | $1.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Squarepoint Ops LLC | 51.25K | New | $965,512 | 0.0% | New | 1 | SEC ↗ |
| 43 | Prudential Financial Inc | 49.55K | +10.2% | $933,428 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Deutsche Bank Ag\ | 49.42K | -24.8% | $931,073 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 45 | Corient Private Wealth LP | 47.65K | New | $897,633 | 0.0% | New | 1 | SEC ↗ |
| 46 | IMC-Chicago, LLC | 46.17K | +342.1% | $869,862 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | California State Teachers… | 45.71K | -0.8% | $861,252 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 48 | Russell Investments Group, Ltd. | 43.15K | +557.2% | $812,928 | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 49 | Citigroup Inc | 42.19K | -73.6% | $794,785 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 50 | Pnc Financial Services Group, Inc. | 32.29K | +44.1% | $608,326 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 51 | Zurcher Kantonalbank (Zurich… | 23.67K | -18.0% | $445,886 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | Creative Planning | 23.30K | -5.2% | $438,905 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 22.87K | +0.9% | $430,833 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Barclays Plc | 22.40K | -74.6% | $421,979 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 55 | Janus Henderson Group Plc | 21.11K | 0.0% | $397,942 | 0.0% | Held | 2 | SEC ↗ |
| 56 | Point72 Asset Management ✦ | 20.00K | New | $376,800 | 0.0% | New | 1 | SEC ↗ |
| 57 | Manufacturers Life Insurance… | 19.99K | -4.0% | $376,687 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Victory Capital Management Inc | 19.52K | -57.9% | $367,757 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | New York State Common Retirement… | 15.77K | 0.0% | $297,088 | 0.0% | Held | 2 | SEC ↗ |
| 60 | Cetera Investment Advisers | 15.60K | New | $293,881 | 0.0% | New | 1 | SEC ↗ |
| 61 | Mercer Global Advisors Inc /Adv | 15.59K | -17.3% | $293,748 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | Cwm, Llc | 12.93K | +589.5% | $243,574 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Fifth Third Bancorp | 11.11K | +2162.5% | $209,285 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Walleye Trading LLC | 7.14K | -70.6% | $134,461 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Royal Bank Of Canada | 5.45K | -98.9% | $103,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 66 | Ensign Peak Advisors, Inc | 4.11K | 0.0% | $77,414 | 0.0% | Held | 2 | SEC ↗ |
| 67 | Us Bancorp \De\ | 2.38K | -13.2% | $44,896 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Nomura Asset Management Co Ltd | 2.00K | New | $37,680 | 0.0% | New | 1 | SEC ↗ |
| 69 | Osaic Holdings, Inc. | 1.15K | -66.2% | $21,665 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | BNP Paribas Asset Management… | 1.09K | +24.6% | $20,517 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Jones Financial Companies Lllp | 1.06K | -48.7% | $18,645 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Rockefeller Capital Management L.P. | 468 | +140.0% | $8,820 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 73 | Federated Hermes, Inc. | 217 | -98.9% | $4,088 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Northwestern Mutual Wealth… | 146 | -85.5% | $2,751 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Mitsubishi UFJ Asset Management… | 133 | 0.0% | $2,506 | 0.0% | Held | 2 | SEC ↗ |
| 76 | National Bank Of Canada /Fi/ | 93 | +45.3% | $1,752 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Tudor Investment Corp Et Al | $2.63M | 0.0% |
| Squarepoint Ops LLC | $965,512 | 0.0% |
| Corient Private Wealth LP | $897,633 | 0.0% |
| Point72 Asset Management | $376,800 | 0.0% |
| Cetera Investment Advisers | $293,881 | 0.0% |
| Nomura Asset Management Co Ltd | $37,680 | 0.0% |
Exited
| First Trust Advisors Lp | $25.38M | was 0.0% |
| American Century Companies Inc | $944,621 | was 0.0% |
| Group One Trading Llc | $424,883 | was 0.0% |
| Bridgewater Associates | $279,482 | was 0.0% |
| Assenagon Asset Management… | $255,594 | was 0.0% |
| Sei Investments Co | $208,534 | was 0.0% |
| ProShare Advisors LLC | $204,195 | was 0.0% |
| Danske Bank A/S | $10,780 | was 0.0% |
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.
Frequently co-owned
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)
Sep 15
KILMER HENRY W
Officer · 2.40K sh · $22,104
Sep 02
WEED THADDEUS GERARD
Officer · 4.85K sh · $45,445
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Oct 05
SC 13G/A: BlackRock, Inc.
Aug 07
SC 13G: STATE STREET CORP
Jul 31
SC 13G/A: VANGUARD PORTFOLIO MANAGEMENT LLC
Jun 17
SC 13G/A: Park West Asset Management LLC
May 22
SC 13G: Park West Asset Management LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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