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Side-by-side financial comparison of NOVAVAX INC (NVAX) and REPLIGEN CORP (RGEN). Click either name above to swap in a different company.

REPLIGEN CORP is the larger business by last-quarter revenue ($197.9M vs $147.3M, roughly 1.3× NOVAVAX INC). NOVAVAX INC runs the higher net margin — 11.9% vs 6.7%, a 5.2% gap on every dollar of revenue. On growth, NOVAVAX INC posted the faster year-over-year revenue change (66.8% vs 13.6%). REPLIGEN CORP produced more free cash flow last quarter ($17.6M vs $-41.6M). Over the past eight quarters, NOVAVAX INC's revenue compounded faster (25.3% CAGR vs 14.4%).

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.

Repligen Corporation is a global life sciences company devoted to the development and commercialization of innovative bioprocessing technologies and systems that enable efficiencies in the process of manufacturing biological drugs.2025 The company is based in Waltham, Massachusetts,2014 and was incorporated in Delaware in 1981. A public company, Repligen is listed on the NASDAQ exchange under the symbol RGEN. As of 2025, Repligen employs over 1,900 employees globally and serves primarily biop...

NVAX vs RGEN — Head-to-Head

Bigger by revenue
RGEN
RGEN
1.3× larger
RGEN
$197.9M
$147.3M
NVAX
Growing faster (revenue YoY)
NVAX
NVAX
+53.2% gap
NVAX
66.8%
13.6%
RGEN
Higher net margin
NVAX
NVAX
5.2% more per $
NVAX
11.9%
6.7%
RGEN
More free cash flow
RGEN
RGEN
$59.1M more FCF
RGEN
$17.6M
$-41.6M
NVAX
Faster 2-yr revenue CAGR
NVAX
NVAX
Annualised
NVAX
25.3%
14.4%
RGEN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NVAX
NVAX
RGEN
RGEN
Revenue
$147.3M
$197.9M
Net Profit
$17.5M
$13.3M
Gross Margin
85.0%
52.5%
Operating Margin
9.7%
9.0%
Net Margin
11.9%
6.7%
Revenue YoY
66.8%
13.6%
Net Profit YoY
121.6%
143.9%
EPS (diluted)
$0.28
$0.24

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
RGEN
RGEN
Q4 25
$147.3M
$197.9M
Q3 25
$70.4M
$188.8M
Q2 25
$239.2M
$182.4M
Q1 25
$666.5M
$169.2M
Q4 24
$88.3M
$174.1M
Q3 24
$84.5M
$154.9M
Q2 24
$415.5M
$154.1M
Q1 24
$93.9M
$151.3M
Net Profit
NVAX
NVAX
RGEN
RGEN
Q4 25
$17.5M
$13.3M
Q3 25
$-202.4M
$14.9M
Q2 25
$106.5M
$14.9M
Q1 25
$518.6M
$5.8M
Q4 24
$-30.3M
Q3 24
$-121.3M
$-654.0K
Q2 24
$162.4M
$3.3M
Q1 24
$-147.6M
$2.1M
Gross Margin
NVAX
NVAX
RGEN
RGEN
Q4 25
85.0%
52.5%
Q3 25
69.5%
53.2%
Q2 25
93.6%
50.0%
Q1 25
97.9%
53.6%
Q4 24
58.5%
26.1%
Q3 24
28.3%
50.0%
Q2 24
88.9%
49.8%
Q1 24
36.9%
49.5%
Operating Margin
NVAX
NVAX
RGEN
RGEN
Q4 25
9.7%
9.0%
Q3 25
-252.7%
8.9%
Q2 25
42.2%
7.6%
Q1 25
77.4%
3.9%
Q4 24
-17.7%
Q3 24
-158.6%
-5.1%
Q2 24
38.7%
1.0%
Q1 24
-154.3%
1.3%
Net Margin
NVAX
NVAX
RGEN
RGEN
Q4 25
11.9%
6.7%
Q3 25
-287.3%
7.9%
Q2 25
44.5%
8.2%
Q1 25
77.8%
3.4%
Q4 24
-17.4%
Q3 24
-143.5%
-0.4%
Q2 24
39.1%
2.2%
Q1 24
-157.2%
1.4%
EPS (diluted)
NVAX
NVAX
RGEN
RGEN
Q4 25
$0.28
$0.24
Q3 25
$-1.25
$0.26
Q2 25
$0.62
$0.26
Q1 25
$2.93
$0.10
Q4 24
$-0.55
Q3 24
$-0.76
$-0.01
Q2 24
$0.99
$0.06
Q1 24
$-1.05
$0.04

Balance Sheet & Financial Strength

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

Metric
NVAX
NVAX
RGEN
RGEN
Cash + ST InvestmentsLiquidity on hand
$735.1M
$767.6M
Total DebtLower is stronger
$542.2M
Stockholders' EquityBook value
$-127.8M
$2.1B
Total Assets
$1.2B
$2.9B
Debt / EquityLower = less leverage
0.26×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NVAX
NVAX
RGEN
RGEN
Q4 25
$735.1M
$767.6M
Q3 25
$762.9M
$748.7M
Q2 25
$612.3M
$708.9M
Q1 25
$731.5M
$697.2M
Q4 24
$923.1M
$757.4M
Q3 24
$909.5M
$784.0M
Q2 24
$1.0B
$809.1M
Q1 24
$480.6M
$780.6M
Total Debt
NVAX
NVAX
RGEN
RGEN
Q4 25
$542.2M
Q3 25
$537.9M
Q2 25
Q1 25
Q4 24
$525.6M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
NVAX
NVAX
RGEN
RGEN
Q4 25
$-127.8M
$2.1B
Q3 25
$-156.7M
$2.1B
Q2 25
$37.6M
$2.1B
Q1 25
$-75.6M
$2.0B
Q4 24
$-623.8M
$2.0B
Q3 24
$-526.4M
$2.0B
Q2 24
$-431.7M
$2.0B
Q1 24
$-867.1M
$2.0B
Total Assets
NVAX
NVAX
RGEN
RGEN
Q4 25
$1.2B
$2.9B
Q3 25
$1.2B
$2.9B
Q2 25
$1.3B
$2.9B
Q1 25
$1.3B
$2.9B
Q4 24
$1.6B
$2.8B
Q3 24
$1.7B
$2.8B
Q2 24
$1.8B
$2.9B
Q1 24
$1.4B
$2.8B
Debt / Equity
NVAX
NVAX
RGEN
RGEN
Q4 25
0.26×
Q3 25
0.26×
Q2 25
Q1 25
Q4 24
0.27×
Q3 24
Q2 24
Q1 24

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
RGEN
RGEN
Operating Cash FlowLast quarter
$-39.5M
$25.7M
Free Cash FlowOCF − Capex
$-41.6M
$17.6M
FCF MarginFCF / Revenue
-28.2%
8.9%
Capex IntensityCapex / Revenue
1.4%
4.1%
Cash ConversionOCF / Net Profit
-2.25×
1.93×
TTM Free Cash FlowTrailing 4 quarters
$-250.2M
$93.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NVAX
NVAX
RGEN
RGEN
Q4 25
$-39.5M
$25.7M
Q3 25
$107.8M
$48.1M
Q2 25
$-127.5M
$28.6M
Q1 25
$-185.5M
$15.0M
Q4 24
$-87.3M
$39.2M
Q3 24
$-144.8M
$49.3M
Q2 24
$314.3M
$42.2M
Q1 24
$-83.6M
$44.7M
Free Cash Flow
NVAX
NVAX
RGEN
RGEN
Q4 25
$-41.6M
$17.6M
Q3 25
$105.8M
$43.4M
Q2 25
$-127.7M
$21.5M
Q1 25
$-186.7M
$11.4M
Q4 24
$-100.3M
$33.6M
Q3 24
$-146.2M
$42.3M
Q2 24
$311.4M
$37.4M
Q1 24
$-90.4M
$36.4M
FCF Margin
NVAX
NVAX
RGEN
RGEN
Q4 25
-28.2%
8.9%
Q3 25
150.2%
23.0%
Q2 25
-53.4%
11.8%
Q1 25
-28.0%
6.8%
Q4 24
-113.6%
19.3%
Q3 24
-173.0%
27.3%
Q2 24
74.9%
24.3%
Q1 24
-96.4%
24.0%
Capex Intensity
NVAX
NVAX
RGEN
RGEN
Q4 25
1.4%
4.1%
Q3 25
2.9%
2.5%
Q2 25
0.1%
3.9%
Q1 25
0.2%
2.1%
Q4 24
14.8%
3.2%
Q3 24
1.6%
4.5%
Q2 24
0.7%
3.1%
Q1 24
7.3%
5.5%
Cash Conversion
NVAX
NVAX
RGEN
RGEN
Q4 25
-2.25×
1.93×
Q3 25
3.23×
Q2 25
-1.20×
1.92×
Q1 25
-0.36×
2.57×
Q4 24
Q3 24
Q2 24
1.94×
12.70×
Q1 24
21.35×

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%

RGEN
RGEN

Segment breakdown not available.

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