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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, Q3 2025

Institutional positions in Cogent Communications Holdings, Inc. as of Sep 30, 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
266
−26 vs. Q2 2025
Shares held
50.7M
+1.89M (+3.9%) vs. Q2 2025
Total value
$1.95B
−$409.8M (−17.4%) vs. Q2 2025
New holders
47
107 more added
Sold out
73
80 more reduced

3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 266 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 heldQ3 2025: $1.95B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Cogent Communications Holdings, Inc.; share changes are against Q2 2025.

Institutions holding CCOI in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Wells Fargo & Company97,936$3.76M0.00%+11,533+13.3%Added
CIBC Private Wealth Group, LLC103,715$3.98M0.01%−2,155−2.0%Reduced
Marshall Wace, LLP104,906$4.02M0.00%+104,906New
Nishkama Capital, LLC105,705$4.05M0.36%+105,705New
Skylands Capital, LLC106,325$4.08M0.56%+2,675+2.6%Added
Granahan Investment Management Inc108,989$4.18M0.17%−115,502−51.5%Reduced
State of Wisconsin Investment Board122,518$4.70M0.01%+1,681+1.4%Added
Redmond Asset Management, LLC137,254$5.26M1.29%−4,129−2.9%Reduced
Rhumbline Advisers137,265$5.26M0.00%+6,118+4.7%Added
Emerald Advisers, LLC144,912$5.56M0.18%−98,300−40.4%Reduced
UBS Asset Management Americas Inc147,837$5.67M0.00%−64,289−30.3%Reduced
Nuveen, LLC164,695$6.32M0.00%+51,169+45.1%Added
CenterBook Partners LP169,761$6.51M0.32%+169,761New
Royal Bank of Canada172,359$6.61M0.00%+62,901+57.5%Added
Gilder Gagnon Howe & Co LLC172,488$6.61M0.07%+172,488New
ProShare Advisors LLC177,113$6.79M0.01%+40,970+30.1%Added
Public Sector Pension Investment Board185,402$7.11M0.03%+40,706+28.1%Added
Mirae Asset Global ETFs Holdings Ltd.186,631$7.16M0.01%−5,512−2.9%Reduced
Renaissance Technologies LLC187,987$7.21M0.01%−270,069−59.0%Reduced
Advisors Asset Management, Inc.194,425$7.46M0.13%+6,506+3.5%Added
Legal & General Group Plc199,757$7.66M0.00%+1,624+0.8%Added
Ceredex Value Advisors LLC206,800$7.93M0.18%00.0%Unchanged
Palliser Capital (UK) Ltd218,750$8.39M6.15%+218,750New
FMR LLC223,372$8.57M0.00%−671,476−75.0%Reduced
Principal Financial Group Inc229,646$8.81M0.00%+18,958+9.0%Added
Blair William & Co240,796$9.23M0.02%+4,276+1.8%Added
Herald Investment Management Ltd242,600$9.30M1.24%+35,000+16.9%Added
Verition Fund Management LLC253,486$9.72M0.06%+111,659+78.7%Added
M&G Plc256,041$9.73M0.05%−120,456−32.0%Reduced
Frontier Capital Management Co LLC262,020$10.0M0.09%+97,341+59.1%Added
Medina Singh Partners, LLC277,172$10.6M2.48%+277,172New
Boothbay Fund Management, LLC312,626$12.0M0.31%+172,676+123.4%Added
Ulysses Management LLC335,982$12.9M3.00%−36,184−9.7%Reduced
Captrust Financial Advisors336,061$12.9M0.03%−187,775−35.8%Reduced
Jennison Associates LLC342,316$13.1M0.01%+18,805+5.8%Added
BlackBarn Capital Partners LP375,000$14.4M4.69%+135,000+56.3%Added
UBS Group AG376,582$14.4M0.00%+252,427+203.3%Added
D. E. Shaw & Co., Inc.393,129$15.1M0.01%+393,129New
Goldman Sachs Group Inc414,263$15.9M0.00%+41,822+11.2%Added
Reaves W H & Co Inc423,098$16.2M0.29%−396,855−48.4%Reduced
Jane Street Group, LLC434,878$16.7M0.02%+383,146+740.6%Added
14B Captial Management LP449,633$17.2M10.09%−54,367−10.8%Reduced
Senator Investment Group LP483,295$18.5M0.68%−148,397−23.5%Reduced
Northern Trust Corp505,279$19.4M0.00%−13,965−2.7%Reduced
Capital World Investors528,382$20.3M0.00%−426,906−44.7%Reduced
Bank of New York Mellon Corp534,049$20.5M0.00%+15,687+3.0%Added
JPMorgan Chase & Co539,770$20.7M0.00%+424,746+369.3%Added
Charles Schwab Investment Management Inc575,134$22.1M0.00%+80,210+16.2%Added
First Trust Advisors LP630,210$24.2M0.02%+288,079+84.2%Added
Broad Run Investment Management, LLC644,030$24.7M4.04%−33,856−5.0%Reduced
683 Capital Management, LLC650,000$24.9M2.26%+370,000+132.1%Added
Newtyn Management, LLC700,000$26.8M3.29%+75,000+12.0%Added
Colony Capital, Inc.850,073$32.6M2.66%+267,099+45.8%Added
Harspring Capital Management, LLC875,000$33.6M12.85%+20,203+2.4%Added
Tyro Capital Management LLC935,287$35.9M13.32%+298,392+46.9%Added
Brown Advisory Inc1,006,325$38.6M0.05%−447,776−30.8%Reduced
Bank of America Corp1,146,417$44.0M0.00%+970,367+551.2%Added
Geode Capital Management, LLC1,147,507$44.0M0.00%+87,140+8.2%Added
Magnolia Group, LLC1,272,337$48.8M7.74%+179,126+16.4%Added
Invesco Ltd.1,402,612$53.8M0.01%+399,339+39.8%Added
Morgan Stanley1,800,533$69.1M0.00%+556,518+44.7%Added
State Street Corp1,937,678$74.3M0.00%+149,443+8.4%Added
EdgePoint Investment Group Inc.2,281,878$87.5M0.65%+2,438+0.1%Added
Turtle Creek Asset Management Inc.4,603,933$176.6M5.33%+1,811,222+64.9%Added
Vanguard Group Inc5,362,821$205.7M0.00%+270,975+5.3%Added
BlackRock, Inc.6,892,096$264.3M0.00%+411,552+6.4%Added
MIG Capital, LLC0$00.00%−1,029,237−100.0%Sold out
SG Capital Management LLC0$00.00%−313,250−100.0%Sold out
River Road Asset Management, LLC0$00.00%−242,051−100.0%Sold out
Park West Asset Management LLC0$00.00%−221,300−100.0%Sold out
Intrinsic Edge Capital Management LLC0$00.00%−180,000−100.0%Sold out
Hussman Strategic Advisors, Inc.0$00.00%−63,000−100.0%Sold out
Crescent Park Management, L.P.0$00.00%−62,368−100.0%Sold out
Envestnet Asset Management Inc0$00.00%−60,647−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−54,788−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−52,355−100.0%Sold out
GLOBALT Investments LLC0$00.00%−49,360−100.0%Sold out
Azimuth Capital Investment Management LLC0$00.00%−44,655−100.0%Sold out
State of New Jersey Common Pension Fund D0$00.00%−41,034−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−33,967−100.0%Sold out
Uniplan Investment Counsel, Inc.0$00.00%−32,939−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−31,659−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−25,612−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−24,971−100.0%Sold out
Stifel Financial Corp0$00.00%−24,949−100.0%Sold out
Squarepoint Ops LLC0$00.00%−24,921−100.0%Sold out
Global Alpha Capital Management Ltd.0$00.00%−22,886−100.0%Sold out
Winton Group Ltd0$00.00%−22,661−100.0%Sold out
Bank of Montreal0$00.00%−15,966−100.0%Sold out
Tabor Asset Management, LP0$00.00%−13,624−100.0%Sold out
Capital Fund Management S.A.0$00.00%−13,543−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−12,475−100.0%Sold out
FORA Capital, LLC0$00.00%−11,739−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−10,371−100.0%Sold out
Simplex Trading, LLC0$00.00%−9,803−100.0%Sold out
XTX Topco Ltd0$00.00%−9,370−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−8,101−100.0%Sold out
Resona Asset Management Co.,Ltd.0$00.00%−8,080−100.0%Sold out
Chicago Trust Co NA0$00.00%−7,673−100.0%Sold out
Weiss Asset Management LP0$00.00%−6,483−100.0%Sold out