COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) Stock
4 of the hedge funds AlphaScala tracks reported CCOI in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Citadel's at $16.27M. Company insiders reported 0 open-market buys and 2 sales on SEC Form 4 in the 90 days to Nov 3, 2026.
Which hedge funds own CCOI?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Citadel Ken Griffin | 1.17M | $16.27M | +175% |
| D.E. Shaw David Shaw | 285K | $3.95M | -61% |
| Millennium Management Israel Englander | 119K | $1.65M | -48% |
| Renaissance Technologies Jim Simons (founder) | 49K | $683.3K | -27% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are COGENT COMMUNICATIONS HOLDINGS, INC. insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 15, 26 | Kilmer Henry W | VP OF NETWORK STRATEGY | SELL | 2.4K | $22K |
| Sep 2, 26 | Weed Thaddeus Gerard | VICE PRESIDENT, CFO | SELL | 4.8K | $45K |
SEC Form 4 filings as of Nov 3, 2026
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Powered by TradingViewWhat does COGENT COMMUNICATIONS HOLDINGS, INC. do?
Cogent Communications Holdings, Inc. is a multinational, Tier 1 facilities-based Internet service provider specializing in high-speed Internet access, private network services, Ethernet transport, optical wavelength and optical transport services, and data center colocation. It delivers low-cost, scalable connectivity solutions through its all-optical IP network backbone to bandwidth-intensive businesses across North America, South America, Europe, Oceania, and Africa. The company serves corporate customers in high-rise office buildings with dedicated Internet access and virtual private networking, as well as netcentric clients like other Internet service providers and content providers requiring Internet transit and colocation in hundreds of global markets. Cogent distinguishes on-net services in directly connected buildings from off-net using partner facilities, and offers wavelength services leveraging its fiber infrastructure. It also generates revenue from leasing IPv4 addresses and maintains legacy non-core services. Founded in 1999 and headquartered in Washington, D.C., Cogent Communications Holdings, Inc. plays a key role in the telecommunications sector by providing essential infrastructure for enterprise data transport and global connectivity demands.