MRSN

Mersana Therapeutics, Inc. (MRSN) 10Y Growth Potential Analysis (2026)

Invetso Score: 5/10 — Balanced · Last Updated: 2026-09-01

Overall Score

Growth

Revenue base remains small at $3.37/share, but gross margin is extremely high at 98.3%, indicating strong product economics.

R&D intensity is elevated at 277.9% of revenue, supporting pipeline investment but also signaling heavy spend relative to current scale.

No recent news or fresh operating data indicates a new growth catalyst this month.

Profitability

TTM margins remain deeply negative, with EBIT margin at -321.8% and net margin at -332.7%.

Return on invested capital is -242.1% and return on assets is -89.3%, showing the business is still far from durable profitability.

High gross margin is not yet translating into operating leverage because SG&A and R&D remain very large versus revenue.

Financial Health

Liquidity is acceptable with a current ratio of 1.39 and cash ratio of 1.30.

Debt appears manageable in absolute terms, with debt-to-assets at 3.7% and net debt to EBITDA near 1.0x.

However, negative EBITDA and free cash flow keep solvency and coverage metrics weak despite the cash balance.

Valuation

Enterprise value to sales is 5.4x, which is not cheap for a company with negative operating earnings and cash flow.

Price-to-sales is 8.6x, while earnings and cash flow multiples are not meaningful because TTM profitability is negative.

Valuation remains dependent on future execution rather than current fundamentals.

Momentum

No fresh news was provided, so there is no new evidence of a momentum shift this month.

The stock still reflects a speculative profile given negative earnings and cash flow, but the balance sheet is not distressed.

Without new catalysts, momentum remains neutral to slightly weak.

Sources

  • Company filings (10-K, 10-Q, investor presentations)
  • Financial and market data providers
  • Public news and industry information

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