Biotech Due Diligence › Metrics › Series B
Key Metrics for Biotech Startups at Series B Stage: Investor Benchmarks
These 4 metrics are what institutional investors evaluate when screening Biotech startups at the Series B stage. Each metric is accompanied by benchmark ranges sourced from our database of 2+ comparable company analyses.
Series B Stage Traction Expectation: 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.
Metrics Expected at Series B: $3M–$15M ARR, 100%+ YoY growth, NRR >110%, Gross Margin >70%
Metrics Expected at Series B: $3M–$15M ARR, 100%+ YoY growth, NRR >110%, Gross Margin >70%
01. Clinical Stage
IND Filed → Phase I → Phase II → Phase III → FDA Submission
Each stage transition is a major de-risking milestone
Series B context: At Series B stage ($20M–$60M), this metric is the primary evaluation criterion. 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.
02. Target Patient Population
Rare disease: >200K US patients | Broad indication: millions
Rare disease (orphan) designation offers faster FDA path and market exclusivity
Series B context: At Series B stage ($20M–$60M), this metric is the primary evaluation criterion. 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.
03. Preclinical Efficacy Data
In vivo (animal) studies with validated disease models
In vitro data alone is insufficient for investment decisions
Series B context: At Series B stage ($20M–$60M), this metric is a secondary signal. 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.
04. IP Protection
Core composition-of-matter patents with >10 years of exclusivity
Patent expiry timeline determines commercial window
Series B context: At Series B stage ($20M–$60M), this metric is a secondary signal. 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.
How DDR Benchmarks These Metrics
When you upload a Biotech startup pitch deck, DDR automatically:
- Extracts all Biotech metrics from every slide of the pitch deck
- Benchmarks each metric against 2 comparable Biotech companies
- Flags metrics outside healthy ranges as red flags with severity weighting
- Provides an overall verdict (INVEST / DIG DEEPER / PASS) with score 1–10
- Generates expected return scenarios based on Biotech exit data
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