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 |
|---|---|---|---|---|---|
| Granahan Investment Management Inc | 317,447 | $5.98M | 0.29% | +100,422+46.3% | Added |
| Vanguard Fiduciary Trust Co | 334,428 | $6.30M | 0.00% | +334,428 | New |
| Palliser Capital (UK) Ltd | 334,444 | $6.30M | 4.89% | −91,740−21.5% | Reduced |
| Boothbay Fund Management, LLC | 378,929 | $7.14M | 0.17% | +158,901+72.2% | Added |
| Frontier Capital Management Co LLC | 399,208 | $7.52M | 0.08% | +53,405+15.4% | Added |
| UBS Group AG | 425,968 | $8.03M | 0.00% | +177,413+71.4% | Added |
| Citadel Advisors LLC | 426,280 | $8.03M | 0.01% | +259,156+155.1% | Added |
| 683 Capital Management, LLC | 450,300 | $8.48M | 0.79% | −149,700−25.0% | Reduced |
| JPMorgan Chase & Co | 492,468 | $8.60M | 0.00% | +323,865+192.1% | Added |
| CenterBook Partners LP | 494,283 | $9.31M | 0.50% | −107,452−17.9% | Reduced |
| Northern Trust Corp | 497,195 | $9.37M | 0.00% | −1,778−0.4% | Reduced |
| Gilder Gagnon Howe & Co LLC | 499,290 | $9.41M | 0.11% | +5,182+1.0% | Added |
| BlackBarn Capital Partners LP | 500,000 | $9.42M | 2.83% | −150,000−23.1% | Reduced |
| HRT Financial LP | 509,095 | $9.59M | 0.02% | +459,925+935.4% | Added |
| FMR LLC | 588,788 | $11.1M | 0.00% | −227,151−27.8% | Reduced |
| Broad Run Investment Management, LLC | 663,200 | $12.5M | 2.20% | −500−0.1% | Reduced |
| Oakum Bay Capital LLC | 690,374 | $13.0M | 6.98% | +146,792+27.0% | Added |
| Goldman Sachs Group Inc | 712,934 | $13.4M | 0.00% | +98,385+16.0% | Added |
| D. E. Shaw & Co., Inc. | 738,815 | $13.9M | 0.01% | +458,679+163.7% | Added |
| Charles Schwab Investment Management Inc | 760,117 | $14.3M | 0.00% | +93,185+14.0% | Added |
| Harspring Capital Management, LLC | 1,087,000 | $20.5M | 10.77% | −315,500−22.5% | Reduced |
| Colony Capital, Inc. | 1,142,952 | $21.5M | 1.37% | +506,783+79.7% | Added |
| Geode Capital Management, LLC | 1,205,635 | $22.7M | 0.00% | +26,404+2.2% | Added |
| Magnolia Group, LLC | 1,290,204 | $24.3M | 4.52% | +43,867+3.5% | Added |
| Newtyn Management, LLC | 1,600,000 | $30.1M | 3.22% | +200,000+14.3% | Added |
| Morgan Stanley | 1,883,072 | $35.5M | 0.00% | +630,621+50.4% | Added |
| Park West Asset Management LLC | 1,935,201 | $36.5M | 3.22% | +526,105+37.3% | Added |
| Vanguard Capital Management LLC | 2,120,531 | $40.0M | 0.00% | +2,120,531 | New |
| State Street Corp | 2,273,265 | $42.8M | 0.00% | +203,133+9.8% | Added |
| EdgePoint Investment Group Inc. | 2,283,378 | $43.0M | 0.34% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 2,748,759 | $51.8M | 0.00% | +2,748,759 | New |
| Turtle Creek Asset Management Inc. | 4,348,897 | $81.9M | 3.07% | +312,050+7.7% | Added |
| BlackRock, Inc. | 7,075,372 | $133.3M | 0.00% | −115,645−1.6% | Reduced |
| First Trust Advisors LP | 0 | $0 | 0.00% | −1,177,398−100.0% | Sold out |
| Redmond Asset Management, LLC | 0 | $0 | 0.00% | −200,082−100.0% | Sold out |
| Nishkama Capital, LLC | 0 | $0 | 0.00% | −179,661−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −165,979−100.0% | Sold out |
| MYDA Advisors LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| CBOE Vest Financial, LLC | 0 | $0 | 0.00% | −74,634−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −43,813−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −35,226−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −34,468−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −33,500−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −31,255−100.0% | Sold out |
| TrueMark Investments, LLC | 0 | $0 | 0.00% | −29,662−100.0% | Sold out |
| ARS Investment Partners, LLC | 0 | $0 | 0.00% | −23,000−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −21,900−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −20,340−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −20,106−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −19,707−100.0% | Sold out |
| Hennion & Walsh Asset Management, Inc. | 0 | $0 | 0.00% | −19,337−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −12,963−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −11,855−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −11,744−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −10,710−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −10,416−100.0% | Sold out |
| Voleon Capital Management LP | 0 | $0 | 0.00% | −10,029−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −9,675−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −9,471−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −7,400−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −1,974−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −860−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −511−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Emerald Advisers, LLC | 0 | $0 | 0.00% | −371−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −194−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −74−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −74−100.0% | Sold out |
| TD Private Client Wealth LLC | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −61−100.0% | Sold out |
| SJS Investment Consulting Inc. | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Brown Brothers Harriman & Co | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Signature Equity Partners, LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Westside Investment Management, Inc. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Ankerstar Wealth, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Crewe Advisors LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Transamerica Financial Advisors, Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Truvestments Capital LLC | 0 | $0 | 0.00% | 0 | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| MIG Capital, LLC | – | – | – | – | Not filed |
| 14B Captial Management LP | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |