Security record
CCOI
Cogent Communications Holdings, Inc. · Communication Services · Telecommunications Services
74Tracked holders
+1Δ holders
24.15MShares held
$335.24MReported value
+6New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +1.4% ·
share flow +0.2% ·
net new positions +1.4%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| 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 | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 7.38M | +4.2% | $102.38M | 0.0% | ▲ Add | 5 | SEC ↗ ×14 |
| 2 | State Street Global Advisors ✦ (passive) | 2.78M | +22.3% | $38.58M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 2.04M | -3.9% | $28.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.25M | +3.3% | $17.29M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 5 | Citadel Advisors ✦ | 1.17M | +175.1% | $16.27M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 6 | Goldman Sachs Group ✦ | 973.14K | +36.5% | $13.51M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 7 | Charles Schwab Investment… | 805.24K | +5.9% | $11.18M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | Morgan Stanley ✦ | 627.59K | -66.7% | $8.71M | 0.0% | ▼ Trim | 4 | SEC ↗ ×8 |
| 9 | AQR Capital Management ✦ | 615.56K | +193.2% | $8.54M | 0.0% | ▲ Add | 6 | SEC ↗ ×5 |
| 10 | Hrt Financial Lp | 557.67K | +9.5% | $7.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | Northern Trust Corp | 516.68K | +3.9% | $7.17M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 12 | UBS Group AG | 512.62K | +20.3% | $7.12M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 13 | Bnp Paribas Financial Markets | 328.13K | +321.7% | $4.55M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 284.69K | -61.5% | $3.95M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 15 | Susquehanna International Group, Llp | 280.79K | +115.8% | $3.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Invesco Ltd. | 268.92K | +10.9% | $3.73M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 17 | Bank of New York Mellon Corp | 265.49K | +0.3% | $3.69M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 18 | JPMorgan Chase ✦ | 267.49K | -45.7% | $3.55M | 0.0% | ▼ Trim | 4 | SEC ↗ ×5 |
| 19 | Bank Of America Corp /De/ | 254.86K | -15.7% | $3.54M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 20 | Principal Financial Group Inc | 233.63K | +0.6% | $3.24M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 21 | Squarepoint Ops LLC | 226.03K | +341.1% | $3.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Nuveen, LLC | 169.87K | +0.8% | $2.36M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 23 | Fidelity (FMR) ✦ | 165.17K | -72.0% | $2.29M | 0.0% | ▼ Trim | 5 | SEC ↗ ×3 |
| 24 | UBS AM, a distinct business unit of… | 143.16K | +4.7% | $1.99M | 0.0% | ▲ Add | 3 | SEC ↗ ×9 |
| 25 | Tudor Investment Corp Et Al | 139.27K | -0.3% | $1.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 26 | Blair William & Co/Il | 134.38K | -19.3% | $1.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 27 | LPL Financial LLC | 122.32K | +35.0% | $1.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Millennium Management ✦ | 119.14K | -47.8% | $1.65M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 29 | Rhumbline Advisers | 118.92K | -13.8% | $1.65M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | Legal & General Group Plc | 102.92K | -3.5% | $1.43M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 31 | Swiss National Bank | 98.00K | +1.0% | $1.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Ameriprise Financial Inc | 77.82K | -3.6% | $1.08M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 33 | State Of Wisconsin Investment Board | 75.68K | +1.6% | $1.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | T. Rowe Price ✦ | 73.29K | +18.6% | $1.02M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 35 | Wells Fargo & Company/Mn | 69.90K | -29.2% | $970,195 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 36 | Jane Street Group, Llc | 69.62K | -74.9% | $966,312 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Alliancebernstein L.P. | 50.32K | 0.0% | $948,048 | 0.0% | Held | 3 | SEC ↗ |
| 38 | Brown Advisory Inc | 57.48K | +1.9% | $797,764 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Deutsche Bank Ag\ | 56.73K | +14.8% | $787,385 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 40 | Citigroup Inc | 53.54K | +26.9% | $743,190 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 41 | IMC-Chicago, LLC | 50.53K | +9.4% | $701,426 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Prudential Financial Inc | 50.17K | +1.3% | $696,429 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Renaissance Technologies ✦ | 49.23K | -26.7% | $683,326 | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 44 | Victory Capital Management Inc | 46.39K | +137.7% | $643,949 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | Quantinno Capital Management LP | 45.22K | -58.5% | $627,658 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Pnc Financial Services Group, Inc. | 32.42K | +0.4% | $450,017 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 47 | Group One Trading Llc | 31.84K | New | $441,953 | 0.0% | New | 1 | SEC ↗ |
| 48 | Creative Planning | 29.62K | +27.1% | $411,066 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 49 | Zurcher Kantonalbank (Zurich… | 28.77K | +21.6% | $399,369 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Barclays Plc | 28.29K | +26.3% | $392,721 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 51 | Lazard Asset Management Llc | 26.58K | New | $368,958 | 0.0% | New | 1 | SEC ↗ |
| 52 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 22.71K | -0.7% | $315,243 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Russell Investments Group, Ltd. | 20.00K | -53.6% | $277,592 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 54 | Manufacturers Life Insurance… | 19.96K | -0.2% | $277,003 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Mercer Global Advisors Inc /Adv | 16.59K | +6.4% | $230,338 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | New York State Common Retirement… | 15.77K | 0.0% | $218,874 | 0.0% | Held | 3 | SEC ↗ |
| 57 | Cetera Investment Advisers | 15.72K | +0.8% | $218,162 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | Simplex Trading, Llc | 14.97K | -83.7% | $207,728 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | Raymond James Financial Inc | 12.71K | New | $176,417 | 0.0% | New | 1 | SEC ↗ ×2 |
| 60 | Two Sigma Investments ✦ | 11.75K | New | $163,048 | 0.0% | New | 1 | SEC ↗ |
| 61 | Cerity Partners LLC | 11.46K | New | $158,997 | 0.0% | New | 1 | SEC ↗ ×2 |
| 62 | Fifth Third Bancorp | 10.82K | -2.6% | $150,154 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 63 | Wealth Enhancement Advisory… | 11.17K | New | $140,879 | 0.0% | New | 1 | SEC ↗ |
| 64 | Royal Bank Of Canada | 7.11K | +30.6% | $99,000 | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 65 | Ensign Peak Advisors, Inc | 3.31K | -19.5% | $45,929 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Osaic Holdings, Inc. | 2.57K | +123.4% | $35,667 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Us Bancorp \De\ | 2.36K | -1.1% | $32,729 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | BNP Paribas Asset Management… | 865 | -20.6% | $12,006 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 69 | Federated Hermes, Inc. | 244 | +12.4% | $3,387 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | National Bank Of Canada /Fi/ | 209 | +124.7% | $2,899 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Jones Financial Companies Lllp | 197 | -81.4% | $2,643 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | Northwestern Mutual Wealth… | 146 | 0.0% | $2,026 | 0.0% | Held | 3 | SEC ↗ |
| 73 | Mitsubishi UFJ Asset Management… | 133 | 0.0% | $1,846 | 0.0% | Held | 3 | SEC ↗ |
| 74 | Rockefeller Capital Management L.P. | 14 | -97.0% | $202 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Group One Trading Llc | $441,953 | 0.0% |
| Lazard Asset Management Llc | $368,958 | 0.0% |
| Raymond James Financial Inc | $176,417 | 0.0% |
| Two Sigma Investments | $163,048 | 0.0% |
| Cerity Partners LLC | $158,997 | 0.0% |
| Wealth Enhancement Advisory… | $140,879 | 0.0% |
Exited
| Man Group plc | $1.70M | was 0.0% |
| Corient Private Wealth LP | $897,633 | was 0.0% |
| Point72 Asset Management | $376,800 | was 0.0% |
| Walleye Trading LLC | $134,461 | was 0.0% |
| Nomura Asset Management Co Ltd | $37,680 | 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: Q2 2026 ·
Methodology ·
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