Cogent Communications Holdings, Inc. disclosure: Park West Asset Management and affiliated parties report beneficial ownership of 2,806,339 shares of Common Stock, representing 5.6% of the class as of June 10, 2026. The report states that Park West Investors Master Fund, Limited held 2,523,845 shares ( 5.0% ) as of that date.
The filing ties the ownership percentages to 50,077,663 shares outstanding as of April 30, 2026, citing the issuer's Form 10-Q. The filing is a joint Schedule 13G/A by Park West Asset Management LLC, Park West Investors Master Fund, Limited, and Peter S. Park and reflects shared voting and dispositive power over the stated holdings.
Positive
None.
Negative
None.
Insights
Passive investor group reports a mid-single-digit stake in Cogent.
The filing shows shared voting and dispositive power over 2,806,339 shares ( 5.6% ) attributed to Park West as of June 10, 2026. The percentage is calculated using 50,077,663 shares outstanding as of April 30, 2026, per the issuer's 10-Q.
As a passive Schedule 13G/A disclosure, this documents ownership concentration but does not indicate active control or planned transactions; subsequent filings would be required to show changes to voting intent or material actions.
Key Figures
Reported beneficial ownership:2,806,339 sharesPWIMF holdings:2,523,845 sharesPercent of class (PWAM & Park):5.6%+2 more
5 metrics
Reported beneficial ownership2,806,339 sharesPWAM and Peter S. Park as of <date>June 10, 2026</date>
PWIMF holdings2,523,845 sharesPark West Investors Master Fund, Limited as of <date>June 10, 2026</date>
Percent of class (PWAM & Park)5.6%Calculated using 50,077,663 shares outstanding as of <date>April 30, 2026</date>
Percent of class (PWIMF)5.0%Calculated using 50,077,663 shares outstanding as of <date>April 30, 2026</date>
Shares outstanding used50,077,663 sharesIssuer's Form 10-Q reported as of <date>April 30, 2026</date>
"this report is being jointly filed by (i) Park West Asset Management LLC"
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.
beneficial ownershipregulatory
"PWAM as investment manager to the PW Funds may be deemed to beneficially own 2,806,339 shares"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
shared dispositive powerregulatory
"Shared Dispositive Power 2,806,339.00"
shares outstandingmarket
"based upon 50,077,663 shares of Common Stock, issued and outstanding as of April 30, 2026"
Shares outstanding are the total number of a company’s stock units held by all shareholders, including institutional investors and company insiders — think of them as the total number of slices of the company’s ownership pie. Investors use this number to calculate how much of the company each share represents, and it directly affects per-share measures like earnings per share, ownership percentage and valuation; when the slice count changes, an investor’s claim and the company’s per-share metrics change too.
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
COGENT COMMUNICATIONS HOLDINGS, INC.
(Name of Issuer)
COMMON STOCK, PAR VALUE $0.001 PER SHARE
(Title of Class of Securities)
19239V302
(CUSIP Number)
06/10/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
19239V302
1
Names of Reporting Persons
Park West Asset Management LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
2,806,339.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
2,806,339.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,806,339.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.6 %
12
Type of Reporting Person (See Instructions)
IA
Comment for Type of Reporting Person: See Item 2 for additional information.
SCHEDULE 13G
CUSIP Number(s):
19239V302
1
Names of Reporting Persons
Park West Investors Master Fund, Limited
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
2,523,845.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
2,523,845.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,523,845.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.0 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: See Item 2 for additional information.
SCHEDULE 13G
CUSIP Number(s):
19239V302
1
Names of Reporting Persons
Peter S. Park
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
2,806,339.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
2,806,339.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,806,339.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.6 %
12
Type of Reporting Person (See Instructions)
IN
Comment for Type of Reporting Person: See Item 2 for additional information.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
COGENT COMMUNICATIONS HOLDINGS, INC.
(b)
Address of issuer's principal executive offices:
2450 N Street N.W., Washington, DC, 20037
Item 2.
(a)
Name of person filing:
This report on Schedule 13G (this "Schedule 13G") is being jointly filed by (i) Park West Asset Management LLC, a Delaware limited liability company ("PWAM"), (ii) Park West Investors Master Fund, Limited, a Cayman Islands exempted company ("PWIMF"), and (iii) Peter S. Park ("Mr. Park" and, collectively with PWAM and PWIMF, the "Reporting Persons"). PWAM is the investment manager to PWIMF and Park West Partners International, Limited, a Cayman Islands exempted company ("PWPI" and, together with PWIMF, the "PW Funds"). Mr. Park, through one or more affiliated entities, is the controlling manager of PWAM.
As of June 10, 2026, PWIMF held 2,523,845 shares of common Stock, par value $0.001 per share (the "Common Stock") and PWPI held 282,494 shares of Common Stock of Cogent Communications Holdings, Inc. (the "Issuer").
PWAM as investment manager to the PW Funds may be deemed to beneficially own 2,806,339 shares of Common Stock of the Issuer.
The foregoing beneficial ownership percentage is based upon 50,077,663 shares of Common Stock, issued and outstanding as of April 30, 2026, based on information reported by the Issuer in its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 4, 2026.
(b)
Address or principal business office or, if none, residence:
The address for the Reporting Persons is: One Letterman Drive, Building C, Suite C5-900, San Francisco, CA 94129.
(c)
Citizenship:
PWAM is organized under the laws of the State of Delaware. PWIMF is a Cayman Islands exempted company. Mr. Park is a citizen of the United States.
(d)
Title of class of securities:
COMMON STOCK, PAR VALUE $0.001 PER SHARE
(e)
CUSIP No.:
19239V302
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
PWAM and Mr. Park - 2,806,339.00
PWIMF - 2,523,845.00
(b)
Percent of class:
PWAM and Mr. Park - 5.6%
PWIMF - 5.0%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0
(ii) Shared power to vote or to direct the vote:
PWAM and Mr. Park - 2,806,339.00
PWIMF - 2,523,845.00
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
PWAM and Mr. Park - 2,806,339.00
PWIMF - 2,523,845.00
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Park West Asset Management LLC
Signature:
/s/ Melissa Victoria Frayer
Name/Title:
Melissa Victoria Frayer, Senior Legal Officer and Chief Compliance Officer
Date:
06/17/2026
Park West Investors Master Fund, Limited
Signature:
/s/ Melissa Victoria Frayer
Name/Title:
Melissa Victoria Frayer, Senior Legal Officer and Chief Compliance Officer of Park West Asset Management LLC, Investment Manager
What stake does Park West hold in Cogent Communications (CCOI)?
Park West reports beneficial ownership of 2,806,339 shares, equal to 5.6% of common stock. This figure is reported as of June 10, 2026, using 50,077,663 shares outstanding from the issuer's April 30, 2026 10-Q.
How many shares does Park West Investors Master Fund hold in CCOI?
Park West Investors Master Fund, Limited reported holding 2,523,845 shares, representing 5.0% of the class. The holding is reported as of June 10, 2026 in the joint Schedule 13G/A.
Does this filing indicate Park West controls Cogent Communications?
No. The Schedule 13G/A shows shared voting and dispositive power over the stated shares but does not assert control. The filing documents beneficial ownership; it does not declare plans to seek control or to act as an active investor.
Which date is used to calculate the ownership percentage for CCOI?
The ownership percentage is based on 50,077,663 shares outstanding as of April 30, 2026, per Cogent's Form 10-Q. The beneficial holdings are reported as of June 10, 2026 in the Schedule 13G/A.
