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Side-by-side financial comparison of Emergent BioSolutions Inc. (EBS) 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 $148.7M, roughly 1.1× Emergent BioSolutions Inc.). Ribbon Communications Inc. runs the higher net margin — 54.8% vs -36.7%, a 91.5% gap on every dollar of revenue. On growth, Ribbon Communications Inc. posted the faster year-over-year revenue change (-10.3% vs -23.6%). Over the past eight quarters, Ribbon Communications Inc.'s revenue compounded faster (-8.1% CAGR vs -29.6%).

Emergent BioSolutions Inc. is an American multinational specialty biopharmaceutical company headquartered in Gaithersburg, Maryland. It develops vaccines and antibody therapeutics for infectious diseases and opioid overdoses, and it provides medical devices for biodefense purposes.

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.

EBS vs RBBN — Head-to-Head

Bigger by revenue
RBBN
RBBN
1.1× larger
RBBN
$162.6M
$148.7M
EBS
Growing faster (revenue YoY)
RBBN
RBBN
+13.3% gap
RBBN
-10.3%
-23.6%
EBS
Higher net margin
RBBN
RBBN
91.5% more per $
RBBN
54.8%
-36.7%
EBS
Faster 2-yr revenue CAGR
RBBN
RBBN
Annualised
RBBN
-8.1%
-29.6%
EBS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
EBS
EBS
RBBN
RBBN
Revenue
$148.7M
$162.6M
Net Profit
$-54.6M
$89.1M
Gross Margin
42.9%
42.9%
Operating Margin
-18.8%
37.6%
Net Margin
-36.7%
54.8%
Revenue YoY
-23.6%
-10.3%
Net Profit YoY
-74.4%
EPS (diluted)
$-0.95
$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
EBS
EBS
RBBN
RBBN
Q1 26
$162.6M
Q4 25
$148.7M
$227.3M
Q3 25
$231.1M
$215.4M
Q2 25
$140.9M
$220.6M
Q1 25
$222.2M
$181.3M
Q4 24
$194.7M
$251.4M
Q3 24
$293.8M
$210.2M
Q2 24
$254.7M
$192.6M
Net Profit
EBS
EBS
RBBN
RBBN
Q1 26
$89.1M
Q4 25
$-54.6M
Q3 25
$51.2M
$-12.1M
Q2 25
$-12.0M
$-11.1M
Q1 25
$68.0M
$-26.2M
Q4 24
$-31.3M
Q3 24
$114.8M
$-13.4M
Q2 24
$-283.1M
$-16.8M
Gross Margin
EBS
EBS
RBBN
RBBN
Q1 26
42.9%
Q4 25
42.9%
53.3%
Q3 25
62.8%
50.1%
Q2 25
52.5%
49.6%
Q1 25
60.2%
45.4%
Q4 24
39.4%
55.7%
Q3 24
54.9%
52.1%
Q2 24
-18.8%
50.8%
Operating Margin
EBS
EBS
RBBN
RBBN
Q1 26
37.6%
Q4 25
-18.8%
4.1%
Q3 25
33.1%
1.3%
Q2 25
1.1%
1.9%
Q1 25
22.5%
-10.8%
Q4 24
-4.9%
13.2%
Q3 24
22.0%
-0.4%
Q2 24
-79.9%
-1.0%
Net Margin
EBS
EBS
RBBN
RBBN
Q1 26
54.8%
Q4 25
-36.7%
Q3 25
22.2%
-5.6%
Q2 25
-8.5%
-5.0%
Q1 25
30.6%
-14.5%
Q4 24
-16.1%
Q3 24
39.1%
-6.4%
Q2 24
-111.2%
-8.7%
EPS (diluted)
EBS
EBS
RBBN
RBBN
Q1 26
$0.50
Q4 25
$-0.95
$0.50
Q3 25
$0.91
$-0.07
Q2 25
$-0.22
$-0.06
Q1 25
$1.19
$-0.15
Q4 24
$-0.45
$0.05
Q3 24
$2.06
$-0.08
Q2 24
$-5.38
$-0.10

Balance Sheet & Financial Strength

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

Metric
EBS
EBS
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$205.4M
$67.6M
Total DebtLower is stronger
$589.7M
Stockholders' EquityBook value
$522.6M
$419.1M
Total Assets
$1.3B
Debt / EquityLower = less leverage
1.13×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EBS
EBS
RBBN
RBBN
Q1 26
$67.6M
Q4 25
$205.4M
$96.4M
Q3 25
$245.5M
$74.8M
Q2 25
$267.3M
$60.5M
Q1 25
$149.1M
$71.2M
Q4 24
$99.5M
$87.8M
Q3 24
$149.9M
$37.2M
Q2 24
$69.7M
$64.6M
Total Debt
EBS
EBS
RBBN
RBBN
Q1 26
Q4 25
$589.7M
$342.1M
Q3 25
$693.1M
$344.3M
Q2 25
$700.0M
$346.5M
Q1 25
$700.0M
$347.4M
Q4 24
$700.0M
$348.3M
Q3 24
$700.8M
$349.1M
Q2 24
$863.8M
$350.0M
Stockholders' Equity
EBS
EBS
RBBN
RBBN
Q1 26
$419.1M
Q4 25
$522.6M
$449.0M
Q3 25
$582.5M
$360.1M
Q2 25
$536.2M
$370.4M
Q1 25
$552.7M
$381.8M
Q4 24
$482.8M
$404.6M
Q3 24
$508.4M
$395.5M
Q2 24
$386.3M
$405.0M
Total Assets
EBS
EBS
RBBN
RBBN
Q1 26
Q4 25
$1.3B
$1.2B
Q3 25
$1.5B
$1.1B
Q2 25
$1.4B
$1.1B
Q1 25
$1.4B
$1.1B
Q4 24
$1.4B
$1.2B
Q3 24
$1.5B
$1.1B
Q2 24
$1.5B
$1.1B
Debt / Equity
EBS
EBS
RBBN
RBBN
Q1 26
Q4 25
1.13×
0.76×
Q3 25
1.19×
0.96×
Q2 25
1.31×
0.94×
Q1 25
1.27×
0.91×
Q4 24
1.45×
0.86×
Q3 24
1.38×
0.88×
Q2 24
2.24×
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
EBS
EBS
RBBN
RBBN
Operating Cash FlowLast quarter
$77.7M
Free Cash FlowOCF − Capex
$73.8M
FCF MarginFCF / Revenue
49.6%
Capex IntensityCapex / Revenue
2.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$156.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EBS
EBS
RBBN
RBBN
Q1 26
Q4 25
$77.7M
$29.2M
Q3 25
$-2.3M
$26.5M
Q2 25
$106.4M
$-795.0K
Q1 25
$-11.2M
$-3.5M
Q4 24
$-79.9M
$61.8M
Q3 24
$153.7M
$-14.8M
Q2 24
$47.5M
$-9.8M
Free Cash Flow
EBS
EBS
RBBN
RBBN
Q1 26
Q4 25
$73.8M
$27.3M
Q3 25
$-5.7M
$21.0M
Q2 25
$103.5M
$-6.5M
Q1 25
$-14.8M
$-15.7M
Q4 24
$-81.6M
$53.8M
Q3 24
$147.9M
$-23.7M
Q2 24
$42.9M
$-12.9M
FCF Margin
EBS
EBS
RBBN
RBBN
Q1 26
Q4 25
49.6%
12.0%
Q3 25
-2.5%
9.7%
Q2 25
73.5%
-2.9%
Q1 25
-6.7%
-8.7%
Q4 24
-41.9%
21.4%
Q3 24
50.3%
-11.3%
Q2 24
16.8%
-6.7%
Capex Intensity
EBS
EBS
RBBN
RBBN
Q1 26
Q4 25
2.6%
0.9%
Q3 25
1.5%
2.6%
Q2 25
2.1%
2.6%
Q1 25
1.6%
6.7%
Q4 24
0.9%
3.2%
Q3 24
2.0%
4.2%
Q2 24
1.8%
1.6%
Cash Conversion
EBS
EBS
RBBN
RBBN
Q1 26
Q4 25
Q3 25
-0.04×
Q2 25
Q1 25
-0.16×
Q4 24
Q3 24
1.34×
Q2 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

EBS
EBS

Medical Countermeasures MCM Product$99.2M67%
Commercial Products Segment$38.4M26%
All Other Revenue$11.1M7%

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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