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Side-by-side financial comparison of Certara, Inc. (CERT) 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 $103.6M, roughly 1.9× Certara, Inc.). REPLIGEN CORP runs the higher net margin — 6.7% vs -5.7%, a 12.4% gap on every dollar of revenue. On growth, REPLIGEN CORP posted the faster year-over-year revenue change (13.6% vs 3.3%). Certara, Inc. produced more free cash flow last quarter ($27.8M vs $17.6M). Over the past eight quarters, REPLIGEN CORP's revenue compounded faster (14.4% CAGR vs 3.6%).

Certara is a global leader in biopharmaceutical software and consulting services, specializing in modeling, simulation, and regulatory science solutions. It serves pharmaceutical companies, biotech firms and healthcare stakeholders across all drug development stages, helping accelerate new therapy launches, lower R&D risks and cut overall development costs.

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...

CERT vs RGEN — Head-to-Head

Bigger by revenue
RGEN
RGEN
1.9× larger
RGEN
$197.9M
$103.6M
CERT
Growing faster (revenue YoY)
RGEN
RGEN
+10.4% gap
RGEN
13.6%
3.3%
CERT
Higher net margin
RGEN
RGEN
12.4% more per $
RGEN
6.7%
-5.7%
CERT
More free cash flow
CERT
CERT
$10.3M more FCF
CERT
$27.8M
$17.6M
RGEN
Faster 2-yr revenue CAGR
RGEN
RGEN
Annualised
RGEN
14.4%
3.6%
CERT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CERT
CERT
RGEN
RGEN
Revenue
$103.6M
$197.9M
Net Profit
$-5.9M
$13.3M
Gross Margin
52.5%
Operating Margin
0.8%
9.0%
Net Margin
-5.7%
6.7%
Revenue YoY
3.3%
13.6%
Net Profit YoY
-189.6%
143.9%
EPS (diluted)
$-0.04
$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
CERT
CERT
RGEN
RGEN
Q4 25
$103.6M
$197.9M
Q3 25
$104.6M
$188.8M
Q2 25
$104.6M
$182.4M
Q1 25
$106.0M
$169.2M
Q4 24
$100.4M
$174.1M
Q3 24
$94.8M
$154.9M
Q2 24
$93.3M
$154.1M
Q1 24
$96.7M
$151.3M
Net Profit
CERT
CERT
RGEN
RGEN
Q4 25
$-5.9M
$13.3M
Q3 25
$1.5M
$14.9M
Q2 25
$-2.0M
$14.9M
Q1 25
$4.7M
$5.8M
Q4 24
$6.6M
$-30.3M
Q3 24
$-1.4M
$-654.0K
Q2 24
$-12.6M
$3.3M
Q1 24
$-4.7M
$2.1M
Gross Margin
CERT
CERT
RGEN
RGEN
Q4 25
52.5%
Q3 25
53.2%
Q2 25
50.0%
Q1 25
53.6%
Q4 24
26.1%
Q3 24
50.0%
Q2 24
49.8%
Q1 24
49.5%
Operating Margin
CERT
CERT
RGEN
RGEN
Q4 25
0.8%
9.0%
Q3 25
2.9%
8.9%
Q2 25
9.1%
7.6%
Q1 25
7.2%
3.9%
Q4 24
6.0%
-17.7%
Q3 24
2.7%
-5.1%
Q2 24
-9.7%
1.0%
Q1 24
-1.3%
1.3%
Net Margin
CERT
CERT
RGEN
RGEN
Q4 25
-5.7%
6.7%
Q3 25
1.5%
7.9%
Q2 25
-1.9%
8.2%
Q1 25
4.5%
3.4%
Q4 24
6.6%
-17.4%
Q3 24
-1.4%
-0.4%
Q2 24
-13.5%
2.2%
Q1 24
-4.8%
1.4%
EPS (diluted)
CERT
CERT
RGEN
RGEN
Q4 25
$-0.04
$0.24
Q3 25
$0.01
$0.26
Q2 25
$-0.01
$0.26
Q1 25
$0.03
$0.10
Q4 24
$0.04
$-0.55
Q3 24
$-0.01
$-0.01
Q2 24
$-0.08
$0.06
Q1 24
$-0.03
$0.04

Balance Sheet & Financial Strength

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

Metric
CERT
CERT
RGEN
RGEN
Cash + ST InvestmentsLiquidity on hand
$189.4M
$767.6M
Total DebtLower is stronger
$293.1M
$542.2M
Stockholders' EquityBook value
$1.1B
$2.1B
Total Assets
$1.6B
$2.9B
Debt / EquityLower = less leverage
0.28×
0.26×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CERT
CERT
RGEN
RGEN
Q4 25
$189.4M
$767.6M
Q3 25
$172.7M
$748.7M
Q2 25
$162.3M
$708.9M
Q1 25
$179.1M
$697.2M
Q4 24
$179.2M
$757.4M
Q3 24
$233.0M
$784.0M
Q2 24
$224.6M
$809.1M
Q1 24
$224.8M
$780.6M
Total Debt
CERT
CERT
RGEN
RGEN
Q4 25
$293.1M
$542.2M
Q3 25
$293.5M
$537.9M
Q2 25
$294.2M
Q1 25
$294.8M
Q4 24
$295.4M
$525.6M
Q3 24
$296.1M
Q2 24
$296.7M
Q1 24
$290.8M
Stockholders' Equity
CERT
CERT
RGEN
RGEN
Q4 25
$1.1B
$2.1B
Q3 25
$1.1B
$2.1B
Q2 25
$1.1B
$2.1B
Q1 25
$1.1B
$2.0B
Q4 24
$1.1B
$2.0B
Q3 24
$1.1B
$2.0B
Q2 24
$1.0B
$2.0B
Q1 24
$1.1B
$2.0B
Total Assets
CERT
CERT
RGEN
RGEN
Q4 25
$1.6B
$2.9B
Q3 25
$1.5B
$2.9B
Q2 25
$1.5B
$2.9B
Q1 25
$1.6B
$2.9B
Q4 24
$1.6B
$2.8B
Q3 24
$1.5B
$2.8B
Q2 24
$1.5B
$2.9B
Q1 24
$1.5B
$2.8B
Debt / Equity
CERT
CERT
RGEN
RGEN
Q4 25
0.28×
0.26×
Q3 25
0.28×
0.26×
Q2 25
0.27×
Q1 25
0.27×
Q4 24
0.28×
0.27×
Q3 24
0.28×
Q2 24
0.28×
Q1 24
0.28×

Cash Flow & Capital Efficiency

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

Metric
CERT
CERT
RGEN
RGEN
Operating Cash FlowLast quarter
$28.8M
$25.7M
Free Cash FlowOCF − Capex
$27.8M
$17.6M
FCF MarginFCF / Revenue
26.8%
8.9%
Capex IntensityCapex / Revenue
1.0%
4.1%
Cash ConversionOCF / Net Profit
1.93×
TTM Free Cash FlowTrailing 4 quarters
$94.4M
$93.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CERT
CERT
RGEN
RGEN
Q4 25
$28.8M
$25.7M
Q3 25
$32.3M
$48.1M
Q2 25
$17.8M
$28.6M
Q1 25
$17.4M
$15.0M
Q4 24
$49.4M
$39.2M
Q3 24
$17.0M
$49.3M
Q2 24
$9.8M
$42.2M
Q1 24
$4.3M
$44.7M
Free Cash Flow
CERT
CERT
RGEN
RGEN
Q4 25
$27.8M
$17.6M
Q3 25
$32.1M
$43.4M
Q2 25
$17.8M
$21.5M
Q1 25
$16.8M
$11.4M
Q4 24
$49.0M
$33.6M
Q3 24
$16.8M
$42.3M
Q2 24
$9.4M
$37.4M
Q1 24
$3.7M
$36.4M
FCF Margin
CERT
CERT
RGEN
RGEN
Q4 25
26.8%
8.9%
Q3 25
30.7%
23.0%
Q2 25
17.0%
11.8%
Q1 25
15.8%
6.8%
Q4 24
48.8%
19.3%
Q3 24
17.7%
27.3%
Q2 24
10.1%
24.3%
Q1 24
3.8%
24.0%
Capex Intensity
CERT
CERT
RGEN
RGEN
Q4 25
1.0%
4.1%
Q3 25
0.2%
2.5%
Q2 25
0.1%
3.9%
Q1 25
0.6%
2.1%
Q4 24
0.4%
3.2%
Q3 24
0.2%
4.5%
Q2 24
0.5%
3.1%
Q1 24
0.6%
5.5%
Cash Conversion
CERT
CERT
RGEN
RGEN
Q4 25
1.93×
Q3 25
21.19×
3.23×
Q2 25
1.92×
Q1 25
3.66×
2.57×
Q4 24
7.51×
Q3 24
Q2 24
12.70×
Q1 24
21.35×

Financial Flow Comparison

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

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