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Side-by-side financial comparison of Ribbon Communications Inc. (RBBN) and TELOS CORP (TLS). Click either name above to swap in a different company.

Ribbon Communications Inc. is the larger business by last-quarter revenue ($162.6M vs $46.8M, roughly 3.5× TELOS CORP). Ribbon Communications Inc. runs the higher net margin — 54.8% vs -34.9%, a 89.6% gap on every dollar of revenue. On growth, TELOS CORP posted the faster year-over-year revenue change (77.4% vs -10.3%). Over the past eight quarters, TELOS CORP's revenue compounded faster (25.7% CAGR vs -8.1%).

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.

Telos Corporation is an information technology and cybersecurity company located in Ashburn, Virginia. Telos primarily serves government and enterprise clients, receiving a large number of its contracts from the United States Department of Defense. Customers are primarily military, intelligence and civilian agencies of the US government and NATO allies.

RBBN vs TLS — Head-to-Head

Bigger by revenue
RBBN
RBBN
3.5× larger
RBBN
$162.6M
$46.8M
TLS
Growing faster (revenue YoY)
TLS
TLS
+87.7% gap
TLS
77.4%
-10.3%
RBBN
Higher net margin
RBBN
RBBN
89.6% more per $
RBBN
54.8%
-34.9%
TLS
Faster 2-yr revenue CAGR
TLS
TLS
Annualised
TLS
25.7%
-8.1%
RBBN

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
RBBN
RBBN
TLS
TLS
Revenue
$162.6M
$46.8M
Net Profit
$89.1M
$-16.3M
Gross Margin
42.9%
35.0%
Operating Margin
-39.6%
Net Margin
54.8%
-34.9%
Revenue YoY
-10.3%
77.4%
Net Profit YoY
-74.8%
EPS (diluted)
$0.50
$-0.22

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
RBBN
RBBN
TLS
TLS
Q1 26
$162.6M
Q4 25
$227.3M
$46.8M
Q3 25
$215.4M
$51.4M
Q2 25
$220.6M
$36.0M
Q1 25
$181.3M
$30.6M
Q4 24
$251.4M
$26.4M
Q3 24
$210.2M
$23.8M
Q2 24
$192.6M
$28.5M
Net Profit
RBBN
RBBN
TLS
TLS
Q1 26
$89.1M
Q4 25
$-16.3M
Q3 25
$-12.1M
$-2.1M
Q2 25
$-11.1M
$-9.5M
Q1 25
$-26.2M
$-8.6M
Q4 24
$-9.3M
Q3 24
$-13.4M
$-28.1M
Q2 24
$-16.8M
$-7.8M
Gross Margin
RBBN
RBBN
TLS
TLS
Q1 26
42.9%
Q4 25
53.3%
35.0%
Q3 25
50.1%
39.9%
Q2 25
49.6%
33.2%
Q1 25
45.4%
39.8%
Q4 24
55.7%
40.3%
Q3 24
52.1%
13.2%
Q2 24
50.8%
34.1%
Operating Margin
RBBN
RBBN
TLS
TLS
Q1 26
Q4 25
4.1%
-39.6%
Q3 25
1.3%
-4.8%
Q2 25
1.9%
-27.5%
Q1 25
-10.8%
-29.5%
Q4 24
13.2%
-37.6%
Q3 24
-0.4%
-121.4%
Q2 24
-1.0%
-30.3%
Net Margin
RBBN
RBBN
TLS
TLS
Q1 26
54.8%
Q4 25
-34.9%
Q3 25
-5.6%
-4.1%
Q2 25
-5.0%
-26.5%
Q1 25
-14.5%
-28.1%
Q4 24
-35.4%
Q3 24
-6.4%
-118.0%
Q2 24
-8.7%
-27.2%
EPS (diluted)
RBBN
RBBN
TLS
TLS
Q1 26
$0.50
Q4 25
$0.50
$-0.22
Q3 25
$-0.07
$-0.03
Q2 25
$-0.06
$-0.13
Q1 25
$-0.15
$-0.12
Q4 24
$0.05
$-0.13
Q3 24
$-0.08
$-0.39
Q2 24
$-0.10
$-0.11

Balance Sheet & Financial Strength

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

Metric
RBBN
RBBN
TLS
TLS
Cash + ST InvestmentsLiquidity on hand
$67.6M
$53.2M
Total DebtLower is stronger
Stockholders' EquityBook value
$419.1M
$96.0M
Total Assets
$139.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RBBN
RBBN
TLS
TLS
Q1 26
$67.6M
Q4 25
$96.4M
$53.2M
Q3 25
$74.8M
$59.0M
Q2 25
$60.5M
$57.0M
Q1 25
$71.2M
$57.8M
Q4 24
$87.8M
$54.6M
Q3 24
$37.2M
$69.8M
Q2 24
$64.6M
$80.1M
Total Debt
RBBN
RBBN
TLS
TLS
Q1 26
Q4 25
$342.1M
Q3 25
$344.3M
Q2 25
$346.5M
Q1 25
$347.4M
Q4 24
$348.3M
Q3 24
$349.1M
Q2 24
$350.0M
Stockholders' Equity
RBBN
RBBN
TLS
TLS
Q1 26
$419.1M
Q4 25
$449.0M
$96.0M
Q3 25
$360.1M
$119.7M
Q2 25
$370.4M
$118.4M
Q1 25
$381.8M
$126.1M
Q4 24
$404.6M
$127.1M
Q3 24
$395.5M
$129.5M
Q2 24
$405.0M
$149.1M
Total Assets
RBBN
RBBN
TLS
TLS
Q1 26
Q4 25
$1.2B
$139.9M
Q3 25
$1.1B
$164.3M
Q2 25
$1.1B
$165.0M
Q1 25
$1.1B
$158.1M
Q4 24
$1.2B
$158.2M
Q3 24
$1.1B
$166.3M
Q2 24
$1.1B
$182.4M
Debt / Equity
RBBN
RBBN
TLS
TLS
Q1 26
Q4 25
0.76×
Q3 25
0.96×
Q2 25
0.94×
Q1 25
0.91×
Q4 24
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
RBBN
RBBN
TLS
TLS
Operating Cash FlowLast quarter
$8.0M
Free Cash FlowOCF − Capex
$8.0M
FCF MarginFCF / Revenue
17.0%
Capex IntensityCapex / Revenue
0.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$29.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RBBN
RBBN
TLS
TLS
Q1 26
Q4 25
$29.2M
$8.0M
Q3 25
$26.5M
$9.1M
Q2 25
$-795.0K
$7.0M
Q1 25
$-3.5M
$6.1M
Q4 24
$61.8M
$-10.5M
Q3 24
$-14.8M
$-7.1M
Q2 24
$-9.8M
$-8.0M
Free Cash Flow
RBBN
RBBN
TLS
TLS
Q1 26
Q4 25
$27.3M
$8.0M
Q3 25
$21.0M
$8.7M
Q2 25
$-6.5M
$6.8M
Q1 25
$-15.7M
$6.0M
Q4 24
$53.8M
$-12.4M
Q3 24
$-23.7M
$-7.1M
Q2 24
$-12.9M
$-8.2M
FCF Margin
RBBN
RBBN
TLS
TLS
Q1 26
Q4 25
12.0%
17.0%
Q3 25
9.7%
16.9%
Q2 25
-2.9%
19.0%
Q1 25
-8.7%
19.5%
Q4 24
21.4%
-47.0%
Q3 24
-11.3%
-30.0%
Q2 24
-6.7%
-28.9%
Capex Intensity
RBBN
RBBN
TLS
TLS
Q1 26
Q4 25
0.9%
0.1%
Q3 25
2.6%
0.9%
Q2 25
2.6%
0.4%
Q1 25
6.7%
0.4%
Q4 24
3.2%
7.1%
Q3 24
4.2%
0.2%
Q2 24
1.6%
0.8%

Financial Flow Comparison

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

Revenue Breakdown by Segment

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

TLS
TLS

Security Solutions Segment$44.8M96%
Secure Networks Segment$1.9M4%

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