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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, Q4 2025

Institutional positions in Cogent Communications Holdings, Inc. as of Dec 31, 2025. 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
247
−19 vs. Q3 2025
Shares held
48.8M
−1.89M (−3.7%) vs. Q3 2025
Total value
$1.05B
−$892.2M (−45.9%) vs. Q3 2025
New holders
53
88 more added
Sold out
72
79 more reduced

Compare with Q3 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.

Institutional holdersQ4 2025: 247 institutions
Q1 2021: 255 institutionsQ2 2021: 259 institutionsQ3 2021: 260 institutionsQ4 2021: 285 institutionsQ1 2022: 274 institutionsQ2 2022: 265 institutionsQ3 2022: 263 institutionsQ4 2022: 286 institutionsQ1 2023: 275 institutionsQ2 2023: 283 institutionsQ3 2023: 311 institutionsQ4 2023: 311 institutionsQ1 2024: 315 institutionsQ2 2024: 310 institutionsQ3 2024: 316 institutionsQ4 2024: 314 institutionsQ1 2025: 320 institutionsQ2 2025: 295 institutionsQ3 2025: 266 institutionsQ4 2025: 247 institutionsQ1 2026: 233 institutionsQ2 2026: 224 institutions
Value heldQ4 2025: $1.05B
Q1 2021: $2.82BQ2 2021: $3.11BQ3 2021: $2.91BQ4 2021: $3.02BQ1 2022: $2.74BQ2 2022: $2.53BQ3 2022: $2.16BQ4 2022: $2.35BQ1 2023: $2.67BQ2 2023: $2.87BQ3 2023: $2.61BQ4 2023: $3.34BQ1 2024: $2.93BQ2 2024: $2.59BQ3 2024: $3.52BQ4 2024: $3.58BQ1 2025: $2.84BQ2 2025: $2.36BQ3 2025: $1.95BQ4 2025: $1.05BQ1 2026: $919.1MQ2 2026: $656.2M
Institutions holding CCOI and their total value by quarter
QuarterHoldersValue
Q2 2026224$656.2M
Q1 2026233$919.1M
Q4 2025247$1.05B
Q3 2025266$1.95B
Q2 2025295$2.36B
Q1 2025320$2.84B
Q4 2024314$3.58B
Q3 2024316$3.52B
Q2 2024310$2.59B
Q1 2024315$2.93B
Q4 2023311$3.34B
Q3 2023311$2.61B
Q2 2023283$2.87B
Q1 2023275$2.67B
Q4 2022286$2.35B
Q3 2022263$2.16B
Q2 2022265$2.53B
Q1 2022274$2.74B
Q4 2021285$3.02B
Q3 2021260$2.91B
Q2 2021259$3.11B
Q1 2021255$2.82B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Cogent Communications Holdings, Inc.; share changes are against Q3 2025.

Institutions holding CCOI in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
JPMorgan Chase & Co168,603$3.64M0.00%−371,167−68.8%Reduced
Nuveen, LLC169,700$3.66M0.00%+5,005+3.0%Added
14B Captial Management LP170,000$3.67M2.95%−279,633−62.2%Reduced
Blair William & Co177,655$3.83M0.01%−63,141−26.2%Reduced
Nishkama Capital, LLC179,661$3.87M0.52%+73,956+70.0%Added
Advisors Asset Management, Inc.181,650$3.92M0.07%−12,775−6.6%Reduced
Legal & General Group Plc198,994$4.29M0.00%−763−0.4%Reduced
Redmond Asset Management, LLC200,082$4.31M1.10%+62,828+45.8%Added
Granahan Investment Management Inc217,025$4.68M0.20%+108,036+99.1%Added
Boothbay Fund Management, LLC220,028$4.74M0.12%−92,598−29.6%Reduced
Principal Financial Group Inc227,044$4.90M0.00%−2,602−1.1%Reduced
Jane Street Group, LLC236,836$5.11M0.01%−198,042−45.5%Reduced
Herald Investment Management Ltd242,600$5.23M0.68%00.0%Unchanged
UBS Group AG248,555$5.36M0.00%−128,027−34.0%Reduced
Reaves W H & Co Inc259,098$5.59M0.10%−164,000−38.8%Reduced
Invesco Ltd.262,068$5.65M0.00%−1,140,544−81.3%Reduced
Bank of New York Mellon Corp276,933$5.97M0.00%−257,116−48.1%Reduced
D. E. Shaw & Co., Inc.280,136$6.04M0.00%−112,993−28.7%Reduced
Man Group plc326,168$7.03M0.01%+314,457+2,685.1%Added
Frontier Capital Management Co LLC345,803$7.46M0.08%+83,783+32.0%Added
Palliser Capital (UK) Ltd426,184$9.19M6.26%+207,434+94.8%Added
Gilder Gagnon Howe & Co LLC494,108$10.7M0.11%+321,620+186.5%Added
Northern Trust Corp498,973$10.8M0.00%−6,306−1.2%Reduced
Royal Bank of Canada498,966$10.8M0.00%+326,607+189.5%Added
Oakum Bay Capital LLC543,582$11.7M6.07%+543,582New
MIG Capital, LLC569,220$12.3M2.08%+569,220New
683 Capital Management, LLC600,000$12.9M1.08%−50,000−7.7%Reduced
CenterBook Partners LP601,735$13.0M0.63%+431,974+254.5%Added
Goldman Sachs Group Inc614,549$13.2M0.00%+200,286+48.3%Added
Colony Capital, Inc.636,169$13.7M1.06%−213,904−25.2%Reduced
BlackBarn Capital Partners LP650,000$14.0M5.02%+275,000+73.3%Added
Broad Run Investment Management, LLC663,700$14.3M2.66%+19,670+3.1%Added
Charles Schwab Investment Management Inc666,932$14.4M0.00%+91,798+16.0%Added
FMR LLC815,939$17.6M0.00%+592,567+265.3%Added
First Trust Advisors LP1,177,398$25.4M0.02%+547,188+86.8%Added
Geode Capital Management, LLC1,179,231$25.4M0.00%+31,724+2.8%Added
Bank of America Corp1,201,461$25.9M0.00%+55,044+4.8%Added
Magnolia Group, LLC1,246,337$26.9M4.43%−26,000−2.0%Reduced
Morgan Stanley1,252,451$27.0M0.00%−548,082−30.4%Reduced
Newtyn Management, LLC1,400,000$30.2M3.19%+700,000+100.0%Added
Harspring Capital Management, LLC1,402,500$30.2M11.22%+527,500+60.3%Added
Park West Asset Management LLC1,409,096$30.4M2.56%+1,409,096New
State Street Corp2,070,132$44.6M0.00%+132,454+6.8%Added
EdgePoint Investment Group Inc.2,283,378$49.2M0.40%+1,500+0.1%Added
Turtle Creek Asset Management Inc.4,036,847$87.0M3.83%−567,086−12.3%Reduced
Vanguard Group Inc5,580,271$120.3M0.00%+217,450+4.1%Added
BlackRock, Inc.7,191,017$155.0M0.00%+298,921+4.3%Added
Tyro Capital Management LLC0$00.00%−935,287−100.0%Sold out
Capital World Investors0$00.00%−528,382−100.0%Sold out
Senator Investment Group LP0$00.00%−483,295−100.0%Sold out
Jennison Associates LLC0$00.00%−342,316−100.0%Sold out
Captrust Financial Advisors0$00.00%−336,061−100.0%Sold out
Ulysses Management LLC0$00.00%−335,982−100.0%Sold out
Medina Singh Partners, LLC0$00.00%−277,172−100.0%Sold out
M&G Plc0$00.00%−256,041−100.0%Sold out
Ceredex Value Advisors LLC0$00.00%−206,800−100.0%Sold out
Marshall Wace, LLP0$00.00%−104,906−100.0%Sold out
Beaconlight Capital, LLC0$00.00%−92,910−100.0%Sold out
Emerald Mutual Fund Advisers Trust0$00.00%−87,356−100.0%Sold out
Madison Asset Management, LLC0$00.00%−83,719−100.0%Sold out
Taylor Frigon Capital Management LLC0$00.00%−73,271−100.0%Sold out
Advantage Alpha Capital Partners LP0$00.00%−68,826−100.0%Sold out
Holocene Advisors, LP0$00.00%−68,150−100.0%Sold out
Inspire Advisors, LLC0$00.00%−64,875−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−61,841−100.0%Sold out
Algert Global LLC0$00.00%−55,520−100.0%Sold out
Harber Asset Management LLC0$00.00%−54,944−100.0%Sold out
Consolidated Planning Corp0$00.00%−52,218−100.0%Sold out
Atom Investors LP0$00.00%−49,792−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−46,768−100.0%Sold out
Ipswich Investment Management Co., Inc.0$00.00%−44,259−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−36,936−100.0%Sold out
Trexquant Investment LP0$00.00%−33,433−100.0%Sold out
Rangeley Capital, LLC0$00.00%−29,700−100.0%Sold out
Aristeia Capital LLC0$00.00%−24,549−100.0%Sold out
Asset Management One Co.,Ltd.0$00.00%−22,095−100.0%Sold out
Cetera Investment Advisers0$00.00%−20,898−100.0%Sold out
Capstone Triton Financial Group, LLC0$00.00%−16,859−100.0%Sold out
Raymond James Financial Inc0$00.00%−16,786−100.0%Sold out
Universal- Beteiligungs- und Servicegesellschaft mbH0$00.00%−12,159−100.0%Sold out
Pathstone Holdings, LLC0$00.00%−11,979−100.0%Sold out
Yorktown Management & Research Co Inc0$00.00%−11,700−100.0%Sold out
Toronto Dominion Bank0$00.00%−9,857−100.0%Sold out
Freestone Grove Partners LP0$00.00%−9,652−100.0%Sold out
HSBC Holdings PLC0$00.00%−9,098−100.0%Sold out
QRG Capital Management, Inc.0$00.00%−8,959−100.0%Sold out
Citizens Financial Group Inc0$00.00%−8,656−100.0%Sold out
Voya Investment Management LLC0$00.00%−8,163−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−7,866−100.0%Sold out
Envestnet Portfolio Solutions, Inc.0$00.00%−7,534−100.0%Sold out
First Citizens Bank & Trust Co0$00.00%−7,033−100.0%Sold out
Keybank National Association0$00.00%−6,835−100.0%Sold out
Maryland State Retirement & Pension System0$00.00%−6,832−100.0%Sold out
Amundi0$00.00%−6,021−100.0%Sold out
Pictet Asset Management Holding SA0$00.00%−6,610−100.0%Sold out
Teacher Retirement System of Texas0$00.00%−6,145−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−6,063−100.0%Sold out
Mutual of America Capital Management LLC0$00.00%−5,324−100.0%Sold out
New Age Alpha Advisors, LLC0$00.00%−2,096−100.0%Sold out
Ci Investments Inc.0$00.00%−1,000−100.0%Sold out