How many institutional investors hold CCOI?

4 tracked institutional investors disclosed a position in CCOI (COGENT COMMUNICATIONS HLDGS) in their most recent 13F filing.

Who is the largest institutional holder of CCOI?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in CCOI, valued at $20M.

Where does this CCOI ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

CCOI — COGENT COMMUNICATIONS HLDGS

Name: COGENT COMMUNICATIONS HLDGS (CCOI) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About COGENT COMMUNICATIONS HLDGS (CCOI)

COGENT COMMUNICATIONS HLDGS (CCOI) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $20M. Across recent filings, tracked investors recorded 4 new positions, 0 increased, 0 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in CCOI

/100

Strong Institutional Accumulation

Added / Increased4

Reduced0

Exited1

BearishBullish

Crowded Trade Score™

How many top investors track CCOI

/100

Emerging Interest

4investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

CCOI Ownership Composition

How COGENT COMMUNICATIONS HLDGS is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

90% of tracked value

Institutions

tracked investors

Total Reported

$27.7M

combined 13F value

Other89.9%
Hedge Funds10.1%

Other(3)

89.9%

Hedge Funds(1)

10.1%

Tracked investors reporting CCOI

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	1.1M	$20.3M	0.00%	Mar 31, 2026
Izzy Englander	Millennium Management	228.4K	$4.3M	0.00%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	148.4K	$2.8M	0.00%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	13K	$279.5K	0.00%	Dec 31, 2025

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
1.1M
Value
$20.3M
% Portfolio
0.00%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
228.4K
Value
$4.3M
% Portfolio
0.00%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
148.4K
Value
$2.8M
% Portfolio
0.00%
Ray DalioDec 31, 2025
Bridgewater Associates
Shares
13K
Value
$279.5K
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Izzy Englander	New	—	$836.2K	Feb 17, 2026
Steve Cohen	New	—	$2.3M	Feb 17, 2026
Steve Cohen	New	—	$2.8M	May 15, 2026
Ray Dalio	Sold	-100.00%	$0	May 15, 2026
Ray Dalio	New	—	$279.5K	Feb 13, 2026

Izzy Englander
New
$836.2KFeb 17, 2026
Steve Cohen
New
$2.3MFeb 17, 2026
Steve Cohen
New
$2.8MMay 15, 2026
Ray Dalio
Sold
$0(-100.00%)May 15, 2026
Ray Dalio
New
$279.5KFeb 13, 2026

Frequently asked questions

How many institutional investors hold CCOI?: 4 tracked institutional investors disclosed a position in CCOI (COGENT COMMUNICATIONS HLDGS) in their most recent 13F filing.
Who is the largest institutional holder of CCOI?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in CCOI, valued at $20M.
Did institutional ownership of CCOI increase or decrease?: Across recent 13F filings, tracked investors recorded 4 new positions, 0 increased, 0 reduced, and 1 fully exited CCOI.
Where does this CCOI ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.