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C

Cogent Communications Holdings CCOI · USD

Communication Services · US listing · 🇺🇸 United States

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4.45

+11.81%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.7.1m14.76%−115.6k31 Mar 2026
BlackRock Institutional Trust Company, N.A.6.6m13.72%+308k31 Dec 2025
The Vanguard Group, Inc.5.5m11.57%+216.2k31 Dec 2025
TURTLE CREEK ASSET MANAGEMENT INC.4.3m9.07%+312.1k31 Mar 2026
Turtle Creek Asset Management Inc.4m8.42%−567.1k31 Dec 2025
VANGUARD PORTFOLIO MANAGEMENT LLC2.7m5.74%+2.7m31 Mar 2026
EDGEPOINT INVESTMENT GROUP INC.2.3m4.76%—31 Mar 2026
EdgePoint Investment Group Inc.2.3m4.76%+1.5k31 Dec 2025
STATE STREET CORP2.3m4.74%+203.1k31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC2.1m4.42%+2.1m31 Mar 2026
State Street Investment Management (US)2.1m4.32%+132.5k31 Dec 2025
PARK WEST ASSET MANAGEMENT LLC1.9m4.04%+526.1k31 Mar 2026
MORGAN STANLEY1.9m3.93%+630.6k31 Mar 2026
NEWTYN MANAGEMENT, LLC1.6m3.34%+200k31 Mar 2026
TYRO CAPITAL MANAGEMENT LLC1.6m3.34%+600k31 Mar 2026

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

7.1m

+18.4% on the period before. 3.8 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

53.8%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 21 Sept 202665,964 shares
  • 17 Sept 20268,772 shares
  • 16 Sept 2026462 shares
  • 14 Sept 20265 shares
  • 11 Sept 2026121,133 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.