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

Ribbon Communications Inc. is the larger business by last-quarter revenue ($162.6M vs $147.3M, roughly 1.1× NOVAVAX INC). Ribbon Communications Inc. runs the higher net margin — 54.8% vs 11.9%, a 42.9% gap on every dollar of revenue. On growth, NOVAVAX INC posted the faster year-over-year revenue change (66.8% vs -10.3%). Over the past eight quarters, NOVAVAX INC's revenue compounded faster (25.3% CAGR vs -8.1%).

Novavax, Inc., based in Gaithersburg, Maryland, develops vaccines to counter infectious diseases. The company developed the Novavax COVID-19 vaccine, now commercialized by Sanofi. The company also develops vaccines for influenza, respiratory syncytial virus (RSV), avian flu, shingles, Clostridioides difficile, and malaria.

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.

NVAX vs RBBN — Head-to-Head

Bigger by revenue
RBBN
RBBN
1.1× larger
RBBN
$162.6M
$147.3M
NVAX
Growing faster (revenue YoY)
NVAX
NVAX
+77.1% gap
NVAX
66.8%
-10.3%
RBBN
Higher net margin
RBBN
RBBN
42.9% more per $
RBBN
54.8%
11.9%
NVAX
Faster 2-yr revenue CAGR
NVAX
NVAX
Annualised
NVAX
25.3%
-8.1%
RBBN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
NVAX
NVAX
RBBN
RBBN
Revenue
$147.3M
$162.6M
Net Profit
$17.5M
$89.1M
Gross Margin
85.0%
42.9%
Operating Margin
9.7%
37.6%
Net Margin
11.9%
54.8%
Revenue YoY
66.8%
-10.3%
Net Profit YoY
121.6%
EPS (diluted)
$0.28
$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
NVAX
NVAX
RBBN
RBBN
Q1 26
$162.6M
Q4 25
$147.3M
$227.3M
Q3 25
$70.4M
$215.4M
Q2 25
$239.2M
$220.6M
Q1 25
$666.5M
$181.3M
Q4 24
$88.3M
$251.4M
Q3 24
$84.5M
$210.2M
Q2 24
$415.5M
$192.6M
Net Profit
NVAX
NVAX
RBBN
RBBN
Q1 26
$89.1M
Q4 25
$17.5M
Q3 25
$-202.4M
$-12.1M
Q2 25
$106.5M
$-11.1M
Q1 25
$518.6M
$-26.2M
Q4 24
Q3 24
$-121.3M
$-13.4M
Q2 24
$162.4M
$-16.8M
Gross Margin
NVAX
NVAX
RBBN
RBBN
Q1 26
42.9%
Q4 25
85.0%
53.3%
Q3 25
69.5%
50.1%
Q2 25
93.6%
49.6%
Q1 25
97.9%
45.4%
Q4 24
58.5%
55.7%
Q3 24
28.3%
52.1%
Q2 24
88.9%
50.8%
Operating Margin
NVAX
NVAX
RBBN
RBBN
Q1 26
37.6%
Q4 25
9.7%
4.1%
Q3 25
-252.7%
1.3%
Q2 25
42.2%
1.9%
Q1 25
77.4%
-10.8%
Q4 24
13.2%
Q3 24
-158.6%
-0.4%
Q2 24
38.7%
-1.0%
Net Margin
NVAX
NVAX
RBBN
RBBN
Q1 26
54.8%
Q4 25
11.9%
Q3 25
-287.3%
-5.6%
Q2 25
44.5%
-5.0%
Q1 25
77.8%
-14.5%
Q4 24
Q3 24
-143.5%
-6.4%
Q2 24
39.1%
-8.7%
EPS (diluted)
NVAX
NVAX
RBBN
RBBN
Q1 26
$0.50
Q4 25
$0.28
$0.50
Q3 25
$-1.25
$-0.07
Q2 25
$0.62
$-0.06
Q1 25
$2.93
$-0.15
Q4 24
$0.05
Q3 24
$-0.76
$-0.08
Q2 24
$0.99
$-0.10

Balance Sheet & Financial Strength

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

Metric
NVAX
NVAX
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$735.1M
$67.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$-127.8M
$419.1M
Total Assets
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NVAX
NVAX
RBBN
RBBN
Q1 26
$67.6M
Q4 25
$735.1M
$96.4M
Q3 25
$762.9M
$74.8M
Q2 25
$612.3M
$60.5M
Q1 25
$731.5M
$71.2M
Q4 24
$923.1M
$87.8M
Q3 24
$909.5M
$37.2M
Q2 24
$1.0B
$64.6M
Total Debt
NVAX
NVAX
RBBN
RBBN
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
NVAX
NVAX
RBBN
RBBN
Q1 26
$419.1M
Q4 25
$-127.8M
$449.0M
Q3 25
$-156.7M
$360.1M
Q2 25
$37.6M
$370.4M
Q1 25
$-75.6M
$381.8M
Q4 24
$-623.8M
$404.6M
Q3 24
$-526.4M
$395.5M
Q2 24
$-431.7M
$405.0M
Total Assets
NVAX
NVAX
RBBN
RBBN
Q1 26
Q4 25
$1.2B
$1.2B
Q3 25
$1.2B
$1.1B
Q2 25
$1.3B
$1.1B
Q1 25
$1.3B
$1.1B
Q4 24
$1.6B
$1.2B
Q3 24
$1.7B
$1.1B
Q2 24
$1.8B
$1.1B
Debt / Equity
NVAX
NVAX
RBBN
RBBN
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
NVAX
NVAX
RBBN
RBBN
Operating Cash FlowLast quarter
$-39.5M
Free Cash FlowOCF − Capex
$-41.6M
FCF MarginFCF / Revenue
-28.2%
Capex IntensityCapex / Revenue
1.4%
Cash ConversionOCF / Net Profit
-2.25×
TTM Free Cash FlowTrailing 4 quarters
$-250.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NVAX
NVAX
RBBN
RBBN
Q1 26
Q4 25
$-39.5M
$29.2M
Q3 25
$107.8M
$26.5M
Q2 25
$-127.5M
$-795.0K
Q1 25
$-185.5M
$-3.5M
Q4 24
$-87.3M
$61.8M
Q3 24
$-144.8M
$-14.8M
Q2 24
$314.3M
$-9.8M
Free Cash Flow
NVAX
NVAX
RBBN
RBBN
Q1 26
Q4 25
$-41.6M
$27.3M
Q3 25
$105.8M
$21.0M
Q2 25
$-127.7M
$-6.5M
Q1 25
$-186.7M
$-15.7M
Q4 24
$-100.3M
$53.8M
Q3 24
$-146.2M
$-23.7M
Q2 24
$311.4M
$-12.9M
FCF Margin
NVAX
NVAX
RBBN
RBBN
Q1 26
Q4 25
-28.2%
12.0%
Q3 25
150.2%
9.7%
Q2 25
-53.4%
-2.9%
Q1 25
-28.0%
-8.7%
Q4 24
-113.6%
21.4%
Q3 24
-173.0%
-11.3%
Q2 24
74.9%
-6.7%
Capex Intensity
NVAX
NVAX
RBBN
RBBN
Q1 26
Q4 25
1.4%
0.9%
Q3 25
2.9%
2.6%
Q2 25
0.1%
2.6%
Q1 25
0.2%
6.7%
Q4 24
14.8%
3.2%
Q3 24
1.6%
4.2%
Q2 24
0.7%
1.6%
Cash Conversion
NVAX
NVAX
RBBN
RBBN
Q1 26
Q4 25
-2.25×
Q3 25
Q2 25
-1.20×
Q1 25
-0.36×
Q4 24
Q3 24
Q2 24
1.94×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NVAX
NVAX

Licensing Royalties And Other$107.9M73%
Products$39.2M27%

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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