Cogent Communications Holdings, Inc. CCOI shares gained 14% in the past week, even after falling 20.2% in the past month and 49.3% in the past three months. The rebound follows a narrower quarterly loss and improving earnings estimates.
The setup remains mixed. Service revenues are still declining, the acquired Sprint wireline base continues to run off and leverage remains elevated, leaving investors to weigh improving operating trends against refinancing and execution risks.
CCOI's Q2 Loss Narrows Despite a Revenue Miss
Second-quarter 2026 loss excluding non-recurring items narrowed to 80 cents per share from $1.21 a year earlier. The result was better than the Zacks Consensus Estimate for a loss of $1.12 per share.
Service revenues fell 4.3% year over year to $235.6 million and missed the consensus estimate of $240.9 million. The revenue decline, driven mainly by weaker off-net business and the Sprint wireline runoff, keeps the earnings improvement from signaling a broad operating recovery.
Cogent Communications Holdings, Inc. Price, Consensus and EPS Surprise

Cogent Communications Holdings, Inc. price-consensus-eps-surprise-chart | Cogent Communications Holdings, Inc. Quote
Cogent's Growth Engines Keep Expanding
Net-centric revenue increased 10.4% year over year to $107.4 million as IP network traffic rose 16%. IPv4 leasing revenue climbed 18.1% to $18.1 million, while wavelength revenue jumped 63.8% to $14.8 million and wavelength connections increased 66.4% to 2,445.
Competitive investment remains active. Lumen Technologies, Inc. LUMN is expanding enterprise networking and AI-related connectivity while growing adoption of its digital networking services. Verizon Communications Inc. VZ continues to market global wide-area networking and infrastructure services for AI workloads, underscoring the competitive backdrop for high-capacity connectivity.
CCOI's Margins Improve as Mix Shifts On-Net
On-net revenue including wavelengths rose 6.2% year over year to $150.2 million, while off-net revenue declined 17.3% to $84.5 million. The mix shift matters because Cogent's on-net services are more profitable than off-net services.
Non-GAAP gross margin reached 47%, up from 44.4% a year earlier. Adjusted EBITDA margin was 30.2%, compared with 29.8% in the prior-year quarter, as cost reductions and the move toward higher-margin on-net products helped offset lower consolidated revenues.
Cogent Still Faces Sprint Runoff and Debt Pressure
Corporate revenue declined 9.6% year over year to $98.6 million. Sprint-related revenue had fallen to 15% of total revenues from 42% at closing, while off-net connections dropped 12.2% to 23,033, showing that legacy runoff is still weighing on the consolidated growth rate.
Net leverage adjusted for amounts due from T-Mobile stood at 6.23 times, down from 6.79 times in the prior quarter. Cogent also faces a $750 million unsecured-note maturity in June 2027 and expects to complete refinancing in the third quarter of 2026, with management indicating that new funding will likely cost more.
CCOI's Growth and Momentum Signals Support the Setup
The 14% weekly gain coincides with better loss performance, improving margins and favorable estimate revisions, but revenue contraction, Sprint runoff and leverage remain unresolved. Those crosscurrents keep the investment case balanced despite the recent rebound.
CCOI currently carries a Zacks Rank #2 (Buy), along with a Growth Score of A, Momentum Score of A, VGM Score of B and Value Score of D. The current fiscal-year EPS estimate has improved 36.4% over the past four weeks. You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.
A Zacks Rank #2 paired with A or B Style Scores is generally favorable for the one- to three-month horizon. Still, the Value Score of D and the company's refinancing and revenue risks support a measured view rather than an uncomplicated turnaround call.Â
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