Cogent Communications Holdings, Inc.
CCOI- Exchange
- Nasdaq
- Industry
- Communications Services, NEC
- SEC CIK
- 0001158324
In the last 90 days, Cogent Communications Holdings, Inc. insiders filed 0 open-market purchases and 2 sales; 224 institutions reported holding it in 13F filings for Q2 2026, worth $656.2M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Cogent Communications Holdings, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 224
- −4 vs. Q1 2026
- Shares held
- 47.3M
- −734.3K (−1.5%) vs. Q1 2026
- Total value
- $656.2M
- −$247.7M (−27.4%) vs. Q1 2026
- New holders
- 43
- 77 more added
- Sold out
- 47
- 72 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CCOI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 224 | $656.2M |
| Q1 2026 | 233 | $919.1M |
| Q4 2025 | 247 | $1.05B |
| Q3 2025 | 266 | $1.97B |
| Q2 2025 | 295 | $2.36B |
| Q1 2025 | 320 | $2.84B |
| Q4 2024 | 314 | $3.58B |
| Q3 2024 | 316 | $3.55B |
| Q2 2024 | 310 | $2.61B |
| Q1 2024 | 315 | $3.03B |
| Q4 2023 | 311 | $3.41B |
| Q3 2023 | 311 | $2.61B |
| Q2 2023 | 283 | $2.88B |
| Q1 2023 | 275 | $2.70B |
| Q4 2022 | 286 | $2.35B |
| Q3 2022 | 265 | $2.16B |
| Q2 2022 | 265 | $2.53B |
| Q1 2022 | 274 | $2.75B |
| Q4 2021 | 285 | $3.03B |
| Q3 2021 | 260 | $2.92B |
| Q2 2021 | 259 | $3.11B |
| Q1 2021 | 255 | $2.82B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Cogent Communications Holdings, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7,376,384 | $102.4M | 0.00% | +301,012+4.3% | Added |
| Turtle Creek Asset Management Inc. | 4,203,527 | $58.3M | 2.28% | −145,370−3.3% | Reduced |
| Park West Asset Management LLC | 3,106,339 | $43.1M | 2.95% | +1,171,138+60.5% | Added |
| State Street Corp | 2,779,367 | $38.6M | 0.00% | +506,102+22.3% | Added |
| Vanguard Portfolio Management LLC | 2,384,929 | $33.1M | 0.00% | −363,830−13.2% | Reduced |
| EdgePoint Investment Group Inc. | 2,283,378 | $31.7M | 0.24% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 2,037,716 | $28.3M | 0.00% | −82,815−3.9% | Reduced |
| Newtyn Management, LLC | 1,655,895 | $23.0M | 2.87% | +55,895+3.5% | Added |
| Geode Capital Management, LLC | 1,245,445 | $17.3M | 0.00% | +39,810+3.3% | Added |
| Citadel Advisors LLC | 1,172,541 | $16.3M | 0.01% | +746,261+175.1% | Added |
| Magnolia Group, LLC | 979,686 | $13.6M | 2.86% | −310,518−24.1% | Reduced |
| Goldman Sachs Group Inc | 973,138 | $13.5M | 0.00% | +260,204+36.5% | Added |
| Charles Schwab Investment Management Inc | 805,244 | $11.2M | 0.00% | +45,127+5.9% | Added |
| Gilder Gagnon Howe & Co LLC | 783,783 | $10.9M | 0.11% | +284,493+57.0% | Added |
| Broad Run Investment Management, LLC | 660,130 | $9.16M | 1.41% | −3,070−0.5% | Reduced |
| Morgan Stanley | 627,593 | $8.71M | 0.00% | −1,255,479−66.7% | Reduced |
| AQR Capital Management LLC | 615,561 | $8.54M | 0.00% | +405,652+193.3% | Added |
| Harspring Capital Management, LLC | 599,418 | $8.32M | 15.49% | −487,582−44.9% | Reduced |
| HRT Financial LP | 557,674 | $7.74M | 0.01% | +48,579+9.5% | Added |
| Northern Trust Corp | 516,683 | $7.17M | 0.00% | +19,488+3.9% | Added |
| UBS Group AG | 512,618 | $7.12M | 0.00% | +86,650+20.3% | Added |
| CenterBook Partners LP | 503,457 | $6.99M | 0.34% | +9,174+1.9% | Added |
| AYAL Capital Advisors Ltd | 400,000 | $5.55M | 2.84% | +400,000 | New |
| Frontier Capital Management Co LLC | 382,608 | $5.31M | 0.05% | −16,600−4.2% | Reduced |
| Vanguard Fiduciary Trust Co | 344,108 | $4.78M | 0.00% | +9,680+2.9% | Added |
| BNP Paribas Arbitrage, SA | 328,127 | $4.55M | 0.00% | +250,321+321.7% | Added |
| Granahan Investment Management Inc | 302,653 | $4.20M | 0.15% | −14,794−4.7% | Reduced |
| PDT Partners, LLC | 296,439 | $4.11M | 0.22% | +12,810+4.5% | Added |
| D. E. Shaw & Co., Inc. | 284,694 | $3.95M | 0.00% | −454,121−61.5% | Reduced |
| Susquehanna International Group, LLP | 280,790 | $3.90M | 0.00% | +150,677+115.8% | Added |
| Invesco Ltd. | 268,923 | $3.73M | 0.00% | +26,497+10.9% | Added |
| FourWorld Capital Management LLC | 265,500 | $3.69M | 4.26% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 265,490 | $3.69M | 0.00% | +921+0.3% | Added |
| JPMorgan Chase & Co | 267,486 | $3.55M | 0.00% | −224,982−45.7% | Reduced |
| Bank of America Corp | 254,861 | $3.54M | 0.00% | −47,532−15.7% | Reduced |
| Jump Financial, LLC | 251,745 | $3.49M | 0.03% | +251,745 | New |
| BlackBarn Capital Partners LP | 250,000 | $3.47M | 0.86% | −250,000−50.0% | Reduced |
| Herald Investment Management Ltd | 242,600 | $3.36M | 0.46% | 00.0% | Unchanged |
| MYDA Advisors LLC | 240,000 | $3.33M | 0.81% | +240,000 | New |
| Palliser Capital (UK) Ltd | 236,393 | $3.28M | 1.76% | −98,051−29.3% | Reduced |
| Principal Financial Group Inc | 233,633 | $3.24M | 0.00% | +1,427+0.6% | Added |
| Squarepoint Ops LLC | 226,035 | $3.14M | 0.01% | +174,787+341.1% | Added |
| XTX Topco Ltd | 220,290 | $3.06M | 0.04% | +190,966+651.2% | Added |
| Nuveen, LLC | 169,874 | $2.36M | 0.00% | +1,374+0.8% | Added |
| FMR LLC | 165,173 | $2.29M | 0.00% | −423,615−71.9% | Reduced |
| Public Sector Pension Investment Board | 164,109 | $2.28M | 0.01% | −5,650−3.3% | Reduced |
| Global Endowment Management, LP | 158,582 | $2.20M | 0.22% | +140,140+759.9% | Added |
| Y-Intercept (Hong Kong) Ltd | 154,019 | $2.14M | 0.04% | +154,019 | New |
| Caxton Associates LLP | 145,106 | $2.01M | 0.04% | +92,227+174.4% | Added |
| UBS Asset Management Americas Inc | 143,160 | $1.99M | 0.00% | +6,459+4.7% | Added |
| Tudor Investment Corp Et Al | 139,269 | $1.93M | 0.01% | −423−0.3% | Reduced |
| Blair William & Co | 134,381 | $1.87M | 0.00% | −32,140−19.3% | Reduced |
| Algert Global LLC | 132,470 | $1.84M | 0.02% | +132,470 | New |
| LPL Financial LLC | 122,316 | $1.70M | 0.00% | +31,733+35.0% | Added |
| Millennium Management LLC | 119,138 | $1.65M | 0.00% | −109,258−47.8% | Reduced |
| Rhumbline Advisers | 118,915 | $1.65M | 0.00% | −19,005−13.8% | Reduced |
| Boothbay Fund Management, LLC | 118,403 | $1.64M | 0.03% | −260,526−68.8% | Reduced |
| Advisors Asset Management, Inc. | 114,375 | $1.59M | 0.02% | −35,323−23.6% | Reduced |
| Legal & General Group Plc | 102,920 | $1.43M | 0.00% | −3,712−3.5% | Reduced |
| Skylands Capital, LLC | 98,425 | $1.37M | 0.17% | +29,775+43.4% | Added |
| Swiss National Bank | 98,000 | $1.36M | 0.00% | +1,000+1.0% | Added |
| Winton Group Ltd | 89,009 | $1.24M | 0.04% | +18,916+27.0% | Added |
| Schonfeld Strategic Advisors LLC | 86,639 | $1.20M | 0.01% | +86,639 | New |
| Ameriprise Financial Inc | 77,824 | $1.08M | 0.00% | −2,881−3.6% | Reduced |
| State of Wisconsin Investment Board | 75,678 | $1.05M | 0.00% | +1,224+1.6% | Added |
| Price T Rowe Associates Inc | 73,289 | $1.02M | 0.00% | +11,479+18.6% | Added |
| Wells Fargo & Company | 69,899 | $970.2K | 0.00% | −28,782−29.2% | Reduced |
| Jane Street Group, LLC | 69,619 | $966.3K | 0.00% | −207,867−74.9% | Reduced |
| New York State Teachers Retirement System | 68,710 | $954.0K | 0.00% | −527−0.8% | Reduced |
| Alliancebernstein L.P. | 50,321 | $948.0K | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 57,476 | $797.8K | 0.00% | +1,047+1.9% | Added |
| Deutsche Bank AG | 56,728 | $787.4K | 0.00% | +7,308+14.8% | Added |
| Acadian Asset Management LLC | 56,536 | $781.0K | 0.00% | +56,536 | New |
| California State Teachers Retirement System | 54,179 | $752.0K | 0.00% | +8,465+18.5% | Added |
| Citigroup Inc | 53,544 | $743.2K | 0.00% | +11,358+26.9% | Added |
| IMC-Chicago, LLC | 50,535 | $701.4K | 0.01% | +4,364+9.5% | Added |
| Prudential Financial Inc | 50,175 | $696.4K | 0.00% | +630+1.3% | Added |
| Renaissance Technologies LLC | 49,231 | $683.3K | 0.00% | −17,900−26.7% | Reduced |
| Victory Capital Management Inc | 46,394 | $643.9K | 0.00% | +26,874+137.7% | Added |
| Quantinno Capital Management LP | 45,220 | $627.7K | 0.00% | −63,655−58.5% | Reduced |
| Engineers Gate Manager LP | 41,960 | $582.4K | 0.01% | +12,650+43.2% | Added |
| Oppenheimer & Co Inc | 41,501 | $576.0K | 0.01% | +14,852+55.7% | Added |
| Great West Life Assurance Co | 39,225 | $544.0K | 0.00% | 00.0% | Unchanged |
| New Age Alpha Advisors, LLC | 37,712 | $523.4K | 0.02% | +37,712 | New |
| Numerai GP LLC | 36,370 | $504.8K | 0.04% | +36,370 | New |
| ExodusPoint Capital Management, LP | 34,982 | $485.6K | 0.00% | −18,624−34.7% | Reduced |
| Salvus Wealth Management, LLC | 34,826 | $483.4K | 0.27% | −3,106−8.2% | Reduced |
| Occudo Quantitative Strategies LP | 33,639 | $466.9K | 0.02% | +33,639 | New |
| The PNC Financial Services Group, Inc. | 32,422 | $450.0K | 0.00% | +133+0.4% | Added |
| Group One Trading, L.P. | 31,841 | $442.0K | 0.01% | +31,841 | New |
| Thrivent Financial for Lutherans | 31,369 | $435.0K | 0.00% | −312−1.0% | Reduced |
| Vanguard Asset Management, Ltd | 30,615 | $424.9K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 29,616 | $411.1K | 0.00% | +6,320+27.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 28,773 | $399.4K | 0.00% | +5,106+21.6% | Added |
| MetLife Investment Management | 28,551 | $396.3K | 0.00% | +1,175+4.3% | Added |
| Barclays PLC | 28,294 | $392.7K | 0.00% | +5,896+26.3% | Added |
| Lazard Asset Management LLC | 26,582 | $369.0K | 0.00% | +26,582 | New |
| Prairieview Wealth Partners, LLC | 25,742 | $357.3K | 0.27% | −4,000−13.4% | Reduced |
| Shrier Wealth Management, LLC | 23,453 | $325.5K | 0.11% | +5,835+33.1% | Added |
| Texas Yale Capital Corp. | 23,000 | $319.2K | 0.01% | 00.0% | Unchanged |