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Cogent Communications Holdings, Inc. (CCOI) institutional ownership

Latest close $11.87 Jul 24, 2026
Market cap$594M 52-week range SectorCommunication Services
Funds holding · Q1 2026
239
reported CCOI position changes
Top owners · Q1 2026
No disclosed owners are available.
Institutional activity · Q1 2026
Net bought $15M
113 buyers · 126 sellers

Cogent Communications Holdings, Inc. (CCOI) price and institutional activity

Dates

Q1 2026

$155M bought by 113 investors
Morgan Stanley$14MPark West Asset Management LLC$12M +111 more
$140M sold by 126 investors
First Trust Advisors LP-$26MBank of America Corp-$20M +124 more
Bought Sold Totals per quarter; hover a bar for the names.

Cogent Communications Holdings, Inc. (CCOI) institutional activity · 239

Investor Type Est. change Change Δ Own Date
First Trust Advisors LP · Exited −$26M
Change −1.2M Δ Own −100.0% Date Q1 2026
First Trust Advisors LP Exited· Q1 2026 −$26M −1.2M −100.0% Q1 2026
Bank of America Corp · Reduced −$20M
Change −899K Date Q1 2026
Bank of America Corp Reduced· Q1 2026 −$20M −899K Q1 2026
Morgan Stanley · Added +$14M
Change +631K Date Q1 2026
Morgan Stanley Added· Q1 2026 +$14M +631K Q1 2026
Park West Asset Management LLC · Added +$12M
Change +526K Date Q1 2026
Park West Asset Management LLC Added· Q1 2026 +$12M +526K Q1 2026
Digitalbridge Group, Inc. · Added +$11M
Change +507K Date Q1 2026
Digitalbridge Group, Inc. Added· Q1 2026 +$11M +507K Q1 2026
Royal Bank of Canada · Reduced −$11M
Change −494K Date Q1 2026
Royal Bank of Canada Reduced· Q1 2026 −$11M −494K Q1 2026
Hrt Financial LP · Added +$10M
Change +460K Date Q1 2026
Hrt Financial LP Added· Q1 2026 +$10M +460K Q1 2026
D. E. Shaw & Co., Inc. · Added +$10M
Change +459K Δ Own +163.7% Date Q1 2026
D. E. Shaw & Co., Inc. Added· Q1 2026 +$10M +459K +163.7% Q1 2026
JPMorgan Chase & Co · Added +$7.1M
Change +324K Date Q1 2026
JPMorgan Chase & Co Added· Q1 2026 +$7.1M +324K Q1 2026
Vanguard · Reduced −$7.0M
Change −317K Date Q1 2026
Vanguard Reduced· Q1 2026 −$7.0M −317K Q1 2026
Harspring Capital Management, LLC · Reduced −$7.0M
Change −316K Date Q1 2026
Harspring Capital Management, LLC Reduced· Q1 2026 −$7.0M −316K Q1 2026
Turtle Creek Asset Management Inc. · Added +$6.9M
Change +312K Date Q1 2026
Turtle Creek Asset Management Inc. Added· Q1 2026 +$6.9M +312K Q1 2026
Pdt Partners, LLC · New +$6.2M
Change +284K Date Q1 2026
Pdt Partners, LLC New· Q1 2026 +$6.2M +284K Q1 2026
Fourworld Capital Management LLC · New +$5.9M
Change +266K Date Q1 2026
Fourworld Capital Management LLC New· Q1 2026 +$5.9M +266K Q1 2026
Citadel Advisors LLC Added· Q1 2026 +$5.7M +259K +155.1% Q1 2026
Data through Q1 2026 · filed Jun 2, 2026
15 of 239

Famous investor activity in Cogent Communications Holdings, Inc. (CCOI)

Cogent Communications Holdings, Inc. (CCOI) insider trading

Company insiders, action and economics first; trade and filed dates last.
Dates
Insider Title Type Price Qty Value Owned ΔOwn Trade date Filed date
Howell Deneen C. · Director Grant (A) 3K
Owned 32K ΔOwn +11.9% Trade date Jun 30, 2026 Filed date Jul 1, 2026
Howell Deneen C. Director Grant (A) 3K 32K +11.9% Jun 30, 2026 Jul 1, 2026
Brooks Steven D. · Director Grant (A) 3K
Owned 59K ΔOwn +6.2% Trade date Jun 30, 2026 Filed date Jul 1, 2026
Brooks Steven D. Director Grant (A) 3K 59K +6.2% Jun 30, 2026 Jul 1, 2026
De SA Paul · Director Grant (A) 3K
Owned 34K ΔOwn +11.4% Trade date Jun 30, 2026 Filed date Jul 1, 2026
De SA Paul Director Grant (A) 3K 34K +11.4% Jun 30, 2026 Jul 1, 2026
Howard Eve N. · Director Grant (A) 3K
Owned 27K ΔOwn +14.4% Trade date Jun 30, 2026 Filed date Jul 1, 2026
Howard Eve N. Director Grant (A) 3K 27K +14.4% Jun 30, 2026 Jul 1, 2026
Ferguson Lewis H. · Director Grant (A) 3K
Owned 25K ΔOwn +16.3% Trade date Jun 30, 2026 Filed date Jun 30, 2026
Ferguson Lewis H. Director Grant (A) 3K 25K +16.3% Jun 30, 2026 Jun 30, 2026
Kennedy Sheryl Lynn · Director Grant (A) 3K
Owned 14K ΔOwn +33.6% Trade date Jun 30, 2026 Filed date Jun 30, 2026
Kennedy Sheryl Lynn Director Grant (A) 3K 14K +33.6% Jun 30, 2026 Jun 30, 2026
Montagner Marc · Director Grant (A) 3K
Owned 100K ΔOwn +3.6% Trade date Jun 30, 2026 Filed date Jun 30, 2026
Montagner Marc Director Grant (A) 3K 100K +3.6% Jun 30, 2026 Jun 30, 2026
Weed Thaddeus Gerard · Officer Sell −$81K
Price $16.79 Qty −5K Owned 198K Trade date Jun 16, 2026 Filed date Jun 16, 2026
Weed Thaddeus Gerard Officer Sell $16.79 −5K −$81K 198K Jun 16, 2026 Jun 16, 2026
Kilmer Henry W. · Officer Sell −$41K
Price $17.01 Qty −2K Owned 39K Trade date Jun 15, 2026 Filed date Jun 15, 2026
Kilmer Henry W. Officer Sell $17.01 −2K −$41K 39K Jun 15, 2026 Jun 15, 2026
Ferguson Lewis H. · Director Sell −$57K
Price $20.36 Qty −3K Owned 21K Trade date May 28, 2026 Filed date May 28, 2026
Ferguson Lewis H. Director Sell $20.36 −3K −$57K 21K May 28, 2026 May 28, 2026
Kennedy Sheryl Lynn · Director Sell −$54K
Price $16.22 Qty −3K Owned 10K Trade date May 14, 2026 Filed date May 18, 2026
Kennedy Sheryl Lynn Director Sell $16.22 −3K −$54K 10K May 14, 2026 May 18, 2026
Schaeffer Dave · Director 2 operations 0
Owned 1.3M Trade date May 4, 2026 Filed date May 4, 2026
Schaeffer Dave Director 2 operations 0 1.3M May 4, 2026 May 4, 2026
Schaeffer Dave · Director Grant (A) 1.0M
Owned 1.6M Trade date May 4, 2026 Filed date May 4, 2026
Schaeffer Dave Director Grant (A) 1.0M 1.6M May 4, 2026 May 4, 2026
Schaeffer Dave · Director 2 operations 0
Owned 259K Trade date Apr 1, 2026 Filed date Apr 2, 2026
Schaeffer Dave Director 2 operations 0 259K Apr 1, 2026 Apr 2, 2026
Schaeffer Dave · Director Shares transferred outside the market (D), often for tax or as a gift, not a market sale -59K
Owned 638K Trade date Apr 1, 2026 Filed date Apr 2, 2026
Schaeffer Dave Director Shares transferred outside the market (D), often for tax or as a gift, not a market sale -59K 638K Apr 1, 2026 Apr 2, 2026
15 of 59
15 of 59 Sign in to continue to older insider transactions.

Cogent Communications Holdings, Inc. (CCOI) activist and large shareholders

Dates
Owner/Filer identity Shares reported % of shares outstanding Filing date
BlackRock Inc. 7.3M
% of shares outstanding 15.1% Filing date Jan 22, 2024
BlackRock Inc. 7.3M 15.1% Jan 22, 2024
Blackrock, Inc. 6.9M
% of shares outstanding 14.0% Filing date Nov 8, 2024
Blackrock, Inc. 6.9M 14.0% Nov 8, 2024
Vanguard Group Inc 5.1M
% of shares outstanding 10.4% Filing date Feb 13, 2024
Vanguard Group Inc 5.1M 10.4% Feb 13, 2024
Park West Asset Management LLC 2.8M
% of shares outstanding 5.6% Filing date Jun 17, 2026
Park West Asset Management LLC 2.8M 5.6% Jun 17, 2026
Vanguard Portfolio Management LLC 2.8M
% of shares outstanding 5.6% Filing date Apr 29, 2026
Vanguard Portfolio Management LLC 2.8M 5.6% Apr 29, 2026
Park West Asset Management LLC 2.5M
% of shares outstanding 5.1% Filing date May 22, 2026
Park West Asset Management LLC 2.5M 5.1% May 22, 2026
Renaissance Technologies LLC 2.2M
% of shares outstanding 4.6% Filing date Feb 10, 2022
Renaissance Technologies LLC 2.2M 4.6% Feb 10, 2022
Vaughan Nelson Investment Management, L.P.
% of shares outstanding 0.0% Filing date Jan 26, 2024
Vaughan Nelson Investment Management, L.P. 0.0% Jan 26, 2024
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Cogent Communications Holdings, Inc. (CCOI) ownership FAQ

Who owns CCOI?

239 reporting institutions disclosed CCOI position changes in the Q1 2026 snapshot.

How is institutional activity calculated?

For each manager, WhoBought compares accepted consecutive 13F share counts. Share change is current shares minus prior shares. Estimated dollar change is that signed share change multiplied by the split-adjusted quarter-mean close. The activity table on this page uses Q1 2026.

What are activist and large shareholder filings?

An investor crossing 5% of a share class generally files Schedule 13D for activist intent or Schedule 13G for a passive position. The technical form names appear here rather than in the activity rows.

Where does this data come from?

Ownership and institutional activity come from SEC Form 13F filings. Insider activity comes from SEC Form 4, and large-shareholder activity from SEC Schedules 13D and 13G. FMP supplies price data only. Company logos use the local verified Parqet cache with one shared fallback.

Why are ownership reports delayed?

Form 13F is a quarterly disclosure and is normally filed after the quarter ends. Every ownership and activity value therefore names its represented period; it is not presented as a live position.

How are missing table values shown?

A muted dash marks a missing table value. It means the filing omitted the value, comparable data is unavailable, or no prior position exists for comparison.