Cogent Communications Holdings, Inc.

CCOI

Exchange: Nasdaq
Industry: Communications Services, NEC
SEC CIK: 0001158324

SEC filings (opens in a new tab)

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 2026

Institutional positions in Cogent Communications Holdings, Inc. as of Sep 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

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 2; −1 vs. Q2 2026
Shares held: 2.06K; −241.5K (−99.2%) vs. Q2 2026
Total value: $16.0K; −$3.36M (−99.5%) vs. Q2 2026
New holders: 0; 1 more added
Sold out: 1; 1 more reduced

221 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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.

Institutional holders

Value held

Institutions holding CCOI and their total value by quarter
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, Q3 2026

Shares, value and share of portfolio for each institution holding Cogent Communications Holdings, Inc.; share changes are against Q2 2026.

Institutions holding CCOI in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Shrier Wealth Management, LLC	–	–	–	–	Not filed
Texas Yale Capital Corp.	–	–	–	–	Not filed
Mirae Asset Global ETFs Holdings Ltd.	–	–	–	–	Not filed
Mirabella Financial Services LLP	–	–	–	–	Not filed
Jupiter Topco LLC	–	–	–	–	Not filed
Louisiana State Employees Retirement System	–	–	–	–	Not filed
First Citizens Bank & Trust Co	–	–	–	–	Not filed
SG Americas Securities, LLC	–	–	–	–	Not filed
Landscape Capital Management, L.L.C.	–	–	–	–	Not filed
Clear Harbor Asset Management, LLC	–	–	–	–	Not filed
Envestnet Portfolio Solutions, Inc.	–	–	–	–	Not filed
Russell Investments Group, Ltd.	–	–	–	–	Not filed
Manufacturers Life Insurance Company, The	–	–	–	–	Not filed
Brevan Howard Capital Management LP	–	–	–	–	Not filed
RBF Capital, LLC	–	–	–	–	Not filed
Guggenheim Capital LLC	–	–	–	–	Not filed
State of Tennessee, Treasury Department	–	–	–	–	Not filed
Quantbot Technologies LP	–	–	–	–	Not filed
Vanguard Global Advisers, LLC	–	–	–	–	Not filed
Twinbeech Capital LP	–	–	–	–	Not filed
Natixis	–	–	–	–	Not filed
State of Alaska, Department of Revenue	–	–	–	–	Not filed
Mercer Global Advisors Inc	–	–	–	–	Not filed
New York State Common Retirement Fund	–	–	–	–	Not filed
Cetera Investment Advisers	–	–	–	–	Not filed
Pekin Hardy Strauss, Inc.	–	–	–	–	Not filed
Simplex Trading, LLC	–	–	–	–	Not filed
Entropy Technologies, LP	–	–	–	–	Not filed
Rangeley Capital, LLC	–	–	–	–	Not filed
Police & Firemen's Retirement System of New Jersey	–	–	–	–	Not filed
Arizona State Retirement System	–	–	–	–	Not filed
Vanguard Investments Australia, Ltd.	–	–	–	–	Not filed
Quadrature Capital Ltd	–	–	–	–	Not filed
Amalgamated Bank	–	–	–	–	Not filed
Yousif Capital Management, LLC	–	–	–	–	Not filed
Raymond James Financial Inc	–	–	–	–	Not filed
Walleye Capital LLC	–	–	–	–	Not filed
Two Sigma Investments, LP	–	–	–	–	Not filed
Teachers Retirement System of the State of Kentucky	–	–	–	–	Not filed
Cerity Partners LLC	–	–	–	–	Not filed
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	–	–	–	–	Not filed
Intech Investment Management LLC	–	–	–	–	Not filed
Inspire Advisors, LLC	–	–	–	–	Not filed
SRS Capital Advisors, Inc.	–	–	–	–	Not filed
Fifth Third Bancorp	–	–	–	–	Not filed
Oregon Public Employees Retirement Fund	–	–	–	–	Not filed
KLP Kapitalforvaltning AS	–	–	–	–	Not filed
PFG Investments, LLC	–	–	–	–	Not filed
BTG Pactual Asset Management US LLC	–	–	–	–	Not filed
Wealth Enhancement Advisory Services, LLC	–	–	–	–	Not filed
Royal Bank of Canada	–	–	–	–	Not filed
CWM Advisors, LLC	–	–	–	–	Not filed
Public Employees Retirement Association of Colorado	–	–	–	–	Not filed
Ameritas Investment Partners, Inc.	–	–	–	–	Not filed
Fulcrum Asset Management LLP	–	–	–	–	Not filed
Farther Finance Advisors, LLC	–	–	–	–	Not filed
Nisa Investment Advisors, LLC	–	–	–	–	Not filed
Ensign Peak Advisors, Inc	–	–	–	–	Not filed
Towarzystwo Funduszy Inwestycyjnych Pzu SA	–	–	–	–	Not filed
SBI Securities Co., Ltd.	–	–	–	–	Not filed
Advisor Group Holdings, Inc.	–	–	–	–	Not filed
US Bancorp	–	–	–	–	Not filed
North Star Investment Management Corp.	–	–	–	–	Not filed
Nykredit A/S	–	–	–	–	Not filed
Tower Research Capital LLC (TRC)	–	–	–	–	Not filed
Caitlin John, LLC	–	–	–	–	Not filed
Public Employees Retirement System of Ohio	–	–	–	–	Not filed
KBC Group NV	–	–	–	–	Not filed
Federation des caisses Desjardins du Quebec	–	–	–	–	Not filed
Security National Bank	–	–	–	–	Not filed
Allworth Financial LP	–	–	–	–	Not filed
Hantz Financial Services, Inc.	–	–	–	–	Not filed
Pinnacle Wealth Planning Services, Inc.	–	–	–	–	Not filed
Harbor Capital Advisors, Inc.	–	–	–	–	Not filed
Caitong International Asset Management Co., Ltd	–	–	–	–	Not filed
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	–	–	–	–	Not filed
Atlantic Union Bankshares Corp	–	–	–	–	Not filed
GAMMA Investing LLC	–	–	–	–	Not filed
EverSource Wealth Advisors, LLC	–	–	–	–	Not filed
Pin Oak Investment Advisors Inc	–	–	–	–	Not filed
IFP Advisors, Inc	–	–	–	–	Not filed
Parallel Advisors, LLC	–	–	–	–	Not filed
Umb Bank N A	–	–	–	–	Not filed
Essential Partners LLC	–	–	–	–	Not filed
Federated Hermes, Inc.	–	–	–	–	Not filed
Los Angeles Capital Management LLC	–	–	–	–	Not filed
Smartleaf Asset Management LLC	–	–	–	–	Not filed
National Bank of Canada	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
Sterling Capital Management LLC	–	–	–	–	Not filed
Rothschild Investment LLC	–	–	–	–	Not filed
AdvisorNet Financial, Inc	–	–	–	–	Not filed
Northwestern Mutual Wealth Management Co	–	–	–	–	Not filed
SJS Investment Consulting Inc.	–	–	–	–	Not filed
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.	–	–	–	–	Not filed
True Wealth Design, LLC	–	–	–	–	Not filed
Salomon & Ludwin, LLC	–	–	–	–	Not filed
Larson Financial Group LLC	–	–	–	–	Not filed
Wealth Enhancement Trust Services, Inc.	–	–	–	–	Not filed
Steward Partners Investment Advisory, LLC	–	–	–	–	Not filed