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Side-by-side financial comparison of COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) and Ribbon Communications Inc. (RBBN). Click either name above to swap in a different company.

COGENT COMMUNICATIONS HOLDINGS, INC. is the larger business by last-quarter revenue ($240.5M vs $162.6M, roughly 1.5× Ribbon Communications Inc.). Ribbon Communications Inc. runs the higher net margin — 54.8% vs -12.8%, a 67.6% gap on every dollar of revenue. On growth, COGENT COMMUNICATIONS HOLDINGS, INC. posted the faster year-over-year revenue change (-4.7% vs -10.3%). Over the past eight quarters, COGENT COMMUNICATIONS HOLDINGS, INC.'s revenue compounded faster (-4.9% CAGR vs -8.1%).

Cogent Communications Holdings, Inc. is a multinational internet service provider based in the United States. Cogent's primary services consist of Internet access and data transport, offered on a fiber optic, IP data-only network, along with colocation in data centers.

Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.

CCOI vs RBBN — Head-to-Head

Bigger by revenue
CCOI
CCOI
1.5× larger
CCOI
$240.5M
$162.6M
RBBN
Growing faster (revenue YoY)
CCOI
CCOI
+5.6% gap
CCOI
-4.7%
-10.3%
RBBN
Higher net margin
RBBN
RBBN
67.6% more per $
RBBN
54.8%
-12.8%
CCOI
Faster 2-yr revenue CAGR
CCOI
CCOI
Annualised
CCOI
-4.9%
-8.1%
RBBN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CCOI
CCOI
RBBN
RBBN
Revenue
$240.5M
$162.6M
Net Profit
$-30.8M
$89.1M
Gross Margin
46.6%
42.9%
Operating Margin
-4.7%
37.6%
Net Margin
-12.8%
54.8%
Revenue YoY
-4.7%
-10.3%
Net Profit YoY
28.9%
EPS (diluted)
$-0.63
$0.50

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CCOI
CCOI
RBBN
RBBN
Q1 26
$162.6M
Q4 25
$240.5M
$227.3M
Q3 25
$241.9M
$215.4M
Q2 25
$246.2M
$220.6M
Q1 25
$247.0M
$181.3M
Q4 24
$252.3M
$251.4M
Q3 24
$257.2M
$210.2M
Q2 24
$260.4M
$192.6M
Net Profit
CCOI
CCOI
RBBN
RBBN
Q1 26
$89.1M
Q4 25
$-30.8M
Q3 25
$-41.5M
$-12.1M
Q2 25
$-57.8M
$-11.1M
Q1 25
$-52.0M
$-26.2M
Q4 24
$-43.3M
Q3 24
$-63.1M
$-13.4M
Q2 24
$-32.3M
$-16.8M
Gross Margin
CCOI
CCOI
RBBN
RBBN
Q1 26
42.9%
Q4 25
46.6%
53.3%
Q3 25
45.6%
50.1%
Q2 25
44.2%
49.6%
Q1 25
44.4%
45.4%
Q4 24
38.5%
55.7%
Q3 24
37.2%
52.1%
Q2 24
40.0%
50.8%
Operating Margin
CCOI
CCOI
RBBN
RBBN
Q1 26
37.6%
Q4 25
-4.7%
4.1%
Q3 25
-7.5%
1.3%
Q2 25
-12.8%
1.9%
Q1 25
-16.3%
-10.8%
Q4 24
-13.2%
13.2%
Q3 24
-22.5%
-0.4%
Q2 24
-18.1%
-1.0%
Net Margin
CCOI
CCOI
RBBN
RBBN
Q1 26
54.8%
Q4 25
-12.8%
Q3 25
-17.2%
-5.6%
Q2 25
-23.5%
-5.0%
Q1 25
-21.1%
-14.5%
Q4 24
-17.2%
Q3 24
-24.5%
-6.4%
Q2 24
-12.4%
-8.7%
EPS (diluted)
CCOI
CCOI
RBBN
RBBN
Q1 26
$0.50
Q4 25
$-0.63
$0.50
Q3 25
$-0.87
$-0.07
Q2 25
$-1.21
$-0.06
Q1 25
$-1.09
$-0.15
Q4 24
$-0.89
$0.05
Q3 24
$-1.33
$-0.08
Q2 24
$-0.68
$-0.10

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CCOI
CCOI
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$148.5M
$67.6M
Total DebtLower is stronger
$1.7B
Stockholders' EquityBook value
$-63.8M
$419.1M
Total Assets
$3.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CCOI
CCOI
RBBN
RBBN
Q1 26
$67.6M
Q4 25
$148.5M
$96.4M
Q3 25
$147.1M
$74.8M
Q2 25
$213.7M
$60.5M
Q1 25
$153.8M
$71.2M
Q4 24
$198.5M
$87.8M
Q3 24
$279.2M
$37.2M
Q2 24
$384.4M
$64.6M
Total Debt
CCOI
CCOI
RBBN
RBBN
Q1 26
Q4 25
$1.7B
$342.1M
Q3 25
$344.3M
Q2 25
$346.5M
Q1 25
$347.4M
Q4 24
$1.5B
$348.3M
Q3 24
$349.1M
Q2 24
$350.0M
Stockholders' Equity
CCOI
CCOI
RBBN
RBBN
Q1 26
$419.1M
Q4 25
$-63.8M
$449.0M
Q3 25
$-39.2M
$360.1M
Q2 25
$46.7M
$370.4M
Q1 25
$142.8M
$381.8M
Q4 24
$222.8M
$404.6M
Q3 24
$323.6M
$395.5M
Q2 24
$415.5M
$405.0M
Total Assets
CCOI
CCOI
RBBN
RBBN
Q1 26
Q4 25
$3.1B
$1.2B
Q3 25
$3.1B
$1.1B
Q2 25
$3.3B
$1.1B
Q1 25
$3.1B
$1.1B
Q4 24
$3.2B
$1.2B
Q3 24
$3.2B
$1.1B
Q2 24
$3.3B
$1.1B
Debt / Equity
CCOI
CCOI
RBBN
RBBN
Q1 26
Q4 25
0.76×
Q3 25
0.96×
Q2 25
0.94×
Q1 25
0.91×
Q4 24
6.53×
0.86×
Q3 24
0.88×
Q2 24
0.86×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CCOI
CCOI
RBBN
RBBN
Operating Cash FlowLast quarter
$-6.0M
Free Cash FlowOCF − Capex
$-43.0M
FCF MarginFCF / Revenue
-17.9%
Capex IntensityCapex / Revenue
15.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-198.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CCOI
CCOI
RBBN
RBBN
Q1 26
Q4 25
$-6.0M
$29.2M
Q3 25
$3.1M
$26.5M
Q2 25
$-44.0M
$-795.0K
Q1 25
$36.4M
$-3.5M
Q4 24
$14.5M
$61.8M
Q3 24
$-20.2M
$-14.8M
Q2 24
$-22.2M
$-9.8M
Free Cash Flow
CCOI
CCOI
RBBN
RBBN
Q1 26
Q4 25
$-43.0M
$27.3M
Q3 25
$-33.1M
$21.0M
Q2 25
$-100.2M
$-6.5M
Q1 25
$-21.7M
$-15.7M
Q4 24
$-31.6M
$53.8M
Q3 24
$-79.5M
$-23.7M
Q2 24
$-70.9M
$-12.9M
FCF Margin
CCOI
CCOI
RBBN
RBBN
Q1 26
Q4 25
-17.9%
12.0%
Q3 25
-13.7%
9.7%
Q2 25
-40.7%
-2.9%
Q1 25
-8.8%
-8.7%
Q4 24
-12.5%
21.4%
Q3 24
-30.9%
-11.3%
Q2 24
-27.2%
-6.7%
Capex Intensity
CCOI
CCOI
RBBN
RBBN
Q1 26
Q4 25
15.4%
0.9%
Q3 25
15.0%
2.6%
Q2 25
22.8%
2.6%
Q1 25
23.5%
6.7%
Q4 24
18.3%
3.2%
Q3 24
23.0%
4.2%
Q2 24
18.7%
1.6%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CCOI
CCOI

Segment breakdown not available.

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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