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, Q1 2026
Institutional positions in Cogent Communications Holdings, Inc. as of Mar 31, 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
- 233
- −7 vs. Q4 2025
- Shares held
- 48.8M
- +6.31M (+14.8%) vs. Q4 2025
- Total value
- $919.1M
- +$2.68M (+0.3%) vs. Q4 2025
- New holders
- 43
- 77 more added
- Sold out
- 50
- 80 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 | $1.95B |
| Q2 2025 | 295 | $2.36B |
| Q1 2025 | 320 | $2.84B |
| Q4 2024 | 314 | $3.58B |
| Q3 2024 | 316 | $3.52B |
| Q2 2024 | 310 | $2.59B |
| Q1 2024 | 315 | $2.93B |
| Q4 2023 | 311 | $3.34B |
| Q3 2023 | 311 | $2.61B |
| Q2 2023 | 283 | $2.87B |
| Q1 2023 | 275 | $2.67B |
| Q4 2022 | 286 | $2.35B |
| Q3 2022 | 263 | $2.16B |
| Q2 2022 | 265 | $2.53B |
| Q1 2022 | 274 | $2.74B |
| Q4 2021 | 285 | $3.02B |
| Q3 2021 | 260 | $2.91B |
| Q2 2021 | 259 | $3.11B |
| Q1 2021 | 255 | $2.82B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Cogent Communications Holdings, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7,075,372 | $133.3M | 0.00% | −115,645−1.6% | Reduced |
| Turtle Creek Asset Management Inc. | 4,348,897 | $81.9M | 3.07% | +312,050+7.7% | Added |
| Vanguard Portfolio Management LLC | 2,748,759 | $51.8M | 0.00% | +2,748,759 | New |
| EdgePoint Investment Group Inc. | 2,283,378 | $43.0M | 0.34% | 00.0% | Unchanged |
| State Street Corp | 2,273,265 | $42.8M | 0.00% | +203,133+9.8% | Added |
| Vanguard Capital Management LLC | 2,120,531 | $40.0M | 0.00% | +2,120,531 | New |
| Park West Asset Management LLC | 1,935,201 | $36.5M | 3.22% | +526,105+37.3% | Added |
| Morgan Stanley | 1,883,072 | $35.5M | 0.00% | +630,621+50.4% | Added |
| Newtyn Management, LLC | 1,600,000 | $30.1M | 3.22% | +200,000+14.3% | Added |
| Magnolia Group, LLC | 1,290,204 | $24.3M | 4.52% | +43,867+3.5% | Added |
| Geode Capital Management, LLC | 1,205,635 | $22.7M | 0.00% | +26,404+2.2% | Added |
| Colony Capital, Inc. | 1,142,952 | $21.5M | 1.37% | +506,783+79.7% | Added |
| Harspring Capital Management, LLC | 1,087,000 | $20.5M | 10.77% | −315,500−22.5% | Reduced |
| Charles Schwab Investment Management Inc | 760,117 | $14.3M | 0.00% | +93,185+14.0% | Added |
| D. E. Shaw & Co., Inc. | 738,815 | $13.9M | 0.01% | +458,679+163.7% | Added |
| Goldman Sachs Group Inc | 712,934 | $13.4M | 0.00% | +98,385+16.0% | Added |
| Oakum Bay Capital LLC | 690,374 | $13.0M | 6.98% | +146,792+27.0% | Added |
| Broad Run Investment Management, LLC | 663,200 | $12.5M | 2.20% | −500−0.1% | Reduced |
| FMR LLC | 588,788 | $11.1M | 0.00% | −227,151−27.8% | Reduced |
| HRT Financial LP | 509,095 | $9.59M | 0.02% | +459,925+935.4% | Added |
| BlackBarn Capital Partners LP | 500,000 | $9.42M | 2.83% | −150,000−23.1% | Reduced |
| Gilder Gagnon Howe & Co LLC | 499,290 | $9.41M | 0.11% | +5,182+1.0% | Added |
| Northern Trust Corp | 497,195 | $9.37M | 0.00% | −1,778−0.4% | Reduced |
| CenterBook Partners LP | 494,283 | $9.31M | 0.50% | −107,452−17.9% | Reduced |
| JPMorgan Chase & Co | 492,468 | $8.60M | 0.00% | +323,865+192.1% | Added |
| 683 Capital Management, LLC | 450,300 | $8.48M | 0.79% | −149,700−25.0% | Reduced |
| Citadel Advisors LLC | 426,280 | $8.03M | 0.01% | +259,156+155.1% | Added |
| UBS Group AG | 425,968 | $8.03M | 0.00% | +177,413+71.4% | Added |
| Frontier Capital Management Co LLC | 399,208 | $7.52M | 0.08% | +53,405+15.4% | Added |
| Boothbay Fund Management, LLC | 378,929 | $7.14M | 0.17% | +158,901+72.2% | Added |
| Palliser Capital (UK) Ltd | 334,444 | $6.30M | 4.89% | −91,740−21.5% | Reduced |
| Vanguard Fiduciary Trust Co | 334,428 | $6.30M | 0.00% | +334,428 | New |
| Granahan Investment Management Inc | 317,447 | $5.98M | 0.29% | +100,422+46.3% | Added |
| Bank of America Corp | 302,393 | $5.70M | 0.00% | −899,068−74.8% | Reduced |
| PDT Partners, LLC | 283,629 | $5.34M | 0.32% | +283,629 | New |
| Jane Street Group, LLC | 277,486 | $5.23M | 0.01% | +40,650+17.2% | Added |
| FourWorld Capital Management LLC | 265,500 | $5.00M | 2.82% | +265,500 | New |
| Bank of New York Mellon Corp | 264,569 | $4.98M | 0.00% | −12,364−4.5% | Reduced |
| Herald Investment Management Ltd | 242,600 | $4.57M | 0.64% | 00.0% | Unchanged |
| Invesco Ltd. | 242,426 | $4.57M | 0.00% | −19,642−7.5% | Reduced |
| Walleye Capital LLC | 239,557 | $4.51M | 0.03% | +138,149+136.2% | Added |
| Principal Financial Group Inc | 232,206 | $4.37M | 0.00% | +5,162+2.3% | Added |
| Millennium Management LLC | 228,396 | $4.30M | 0.00% | +189,613+488.9% | Added |
| AQR Capital Management LLC | 209,909 | $3.95M | 0.00% | +180,177+606.0% | Added |
| Public Sector Pension Investment Board | 169,759 | $3.20M | 0.01% | +5,067+3.1% | Added |
| Nuveen, LLC | 168,500 | $3.17M | 0.00% | −1,200−0.7% | Reduced |
| Blair William & Co | 166,521 | $3.14M | 0.01% | −11,134−6.3% | Reduced |
| Advisors Asset Management, Inc. | 149,698 | $2.82M | 0.05% | −31,952−17.6% | Reduced |
| Tudor Investment Corp Et Al | 139,692 | $2.63M | 0.01% | +139,692 | New |
| Rhumbline Advisers | 137,920 | $2.60M | 0.00% | +459+0.3% | Added |
| UBS Asset Management Americas Inc | 136,701 | $2.58M | 0.00% | −13,046−8.7% | Reduced |
| Bluefin Capital Management, LLC | 132,304 | $2.49M | 2.42% | −25,701−16.3% | Reduced |
| Susquehanna International Group, LLP | 130,113 | $2.45M | 0.00% | −3,340−2.5% | Reduced |
| Quantinno Capital Management LP | 108,875 | $2.05M | 0.00% | +47,668+77.9% | Added |
| Legal & General Group Plc | 106,632 | $2.01M | 0.00% | −92,362−46.4% | Reduced |
| Wells Fargo & Company | 98,681 | $1.86M | 0.00% | +20,020+25.5% | Added |
| Swiss National Bank | 97,000 | $1.83M | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 91,893 | $1.73M | 0.05% | +6,998+8.2% | Added |
| LPL Financial LLC | 90,583 | $1.71M | 0.00% | +71,392+372.0% | Added |
| Man Group plc | 90,227 | $1.70M | 0.00% | −235,941−72.3% | Reduced |
| Skopos Labs, Inc. | 81,791 | $1.54M | 0.05% | +60,723+288.2% | Added |
| Ameriprise Financial Inc | 80,705 | $1.52M | 0.00% | −3,500−4.2% | Reduced |
| BNP Paribas Arbitrage, SA | 77,806 | $1.47M | 0.00% | +7,461+10.6% | Added |
| State of Wisconsin Investment Board | 74,454 | $1.40M | 0.00% | −700−0.9% | Reduced |
| Winton Group Ltd | 70,093 | $1.32M | 0.05% | +34,489+96.9% | Added |
| New York State Teachers Retirement System | 69,237 | $1.30M | 0.00% | −4,473−6.1% | Reduced |
| Skylands Capital, LLC | 68,650 | $1.29M | 0.17% | +7,075+11.5% | Added |
| Renaissance Technologies LLC | 67,131 | $1.26M | 0.00% | −21,900−24.6% | Reduced |
| Price T Rowe Associates Inc | 61,810 | $1.17M | 0.00% | +10,512+20.5% | Added |
| Aristeia Capital LLC | 58,993 | $1.11M | 0.03% | +58,993 | New |
| Alliancebernstein L.P. | 50,321 | $1.08M | 0.00% | −7,143−12.4% | Reduced |
| Brown Advisory Inc | 56,429 | $1.06M | 0.00% | +3,477+6.6% | Added |
| Caption Management, LLC | 55,000 | $1.04M | 0.05% | +10,000+22.2% | Added |
| ExodusPoint Capital Management, LP | 53,606 | $1.01M | 0.01% | +53,606 | New |
| Caxton Associates LLP | 52,879 | $996.2K | 0.02% | +52,879 | New |
| Squarepoint Ops LLC | 51,248 | $965.5K | 0.00% | +51,248 | New |
| Prudential Financial Inc | 49,545 | $933.4K | 0.00% | +4,600+10.2% | Added |
| Deutsche Bank AG | 49,420 | $931.1K | 0.00% | −16,321−24.8% | Reduced |
| SG Americas Securities, LLC | 47,717 | $899.0K | 0.00% | −20,308−29.9% | Reduced |
| CI Private Wealth, LLC | 47,645 | $897.6K | 0.00% | +47,645 | New |
| IMC-Chicago, LLC | 46,171 | $869.9K | 0.01% | +35,727+342.1% | Added |
| California State Teachers Retirement System | 45,714 | $861.3K | 0.00% | −363−0.8% | Reduced |
| Russell Investments Group, Ltd. | 43,149 | $812.9K | 0.00% | +36,583+557.2% | Added |
| Citigroup Inc | 42,186 | $794.8K | 0.00% | −117,804−73.6% | Reduced |
| Navis Wealth Advisors, LLC | 39,500 | $744.2K | 0.38% | +27,500+229.2% | Added |
| Great West Life Assurance Co | 39,225 | $739.0K | 0.00% | 00.0% | Unchanged |
| Salvus Wealth Management, LLC | 37,932 | $714.6K | 0.42% | +19,564+106.5% | Added |
| Landscape Capital Management, L.L.C. | 36,432 | $686.4K | 0.04% | +11,838+48.1% | Added |
| The PNC Financial Services Group, Inc. | 32,289 | $608.3K | 0.00% | +9,879+44.1% | Added |
| Thrivent Financial for Lutherans | 31,681 | $597.0K | 0.00% | −933−2.9% | Reduced |
| Vanguard Asset Management, Ltd | 30,615 | $576.8K | 0.00% | +30,615 | New |
| Altfest L J & Co Inc | 30,291 | $570.7K | 0.06% | +7,026+30.2% | Added |
| Prairieview Wealth Partners, LLC | 29,742 | $560.3K | 0.46% | −5,000−14.4% | Reduced |
| XTX Topco Ltd | 29,324 | $552.5K | 0.01% | +29,324 | New |
| Engineers Gate Manager LP | 29,310 | $552.2K | 0.01% | +29,310 | New |
| Reaves W H & Co Inc | 28,098 | $529.4K | 0.01% | −231,000−89.2% | Reduced |
| MetLife Investment Management | 27,376 | $515.8K | 0.00% | +1,276+4.9% | Added |
| Oppenheimer & Co Inc | 26,649 | $502.1K | 0.01% | +11,183+72.3% | Added |
| Quadrature Capital Ltd | 25,685 | $483.9K | 0.01% | +25,685 | New |
| State of Alaska, Department of Revenue | 24,824 | $467.0K | 0.01% | −699−2.7% | Reduced |