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Mar 31

Mersana Q1 2025 Earnings Report

Mersana Therapeutics reported a wider net loss and lower revenue in Q1 2025 while advancing its ADC pipeline.

Key Takeaways

The company saw a year-over-year decline in collaboration revenue and a wider net loss. However, it progressed enrollment in its clinical trial for Emi-Le and maintains a solid cash position to support operations into mid-2026.

Collaboration revenue dropped to $2.75 million from $9.25 million year-over-year.

Net loss increased to $24.1 million compared to $19.3 million a year ago.

Cash and cash equivalents stood at $102.3 million at the end of Q1 2025.

Mersana expects to report initial clinical data from its Emi-Le expansion cohort in the second half of 2025.

Total Revenue
$2.75M
Previous year: $9.25M
-70.2%
EPS
-$0.19
Previous year: -$0.16
+18.8%
R&D Expenses
$18.3M
Previous year: $18.7M
-1.8%
G&A Expenses
$8.93M
Previous year: $11.6M
-22.8%
Net Cash Used in Ops
$29.3M
Cash and Equivalents
$102M
Previous year: $183M
-44.2%
Total Assets
$112M
Previous year: $198M
-43.3%

Mersana

Mersana

Mersana Revenue by Segment

Forward Guidance

Mersana expects its current cash resources to support operations into mid-2026 and plans to present clinical data for Emi-Le and XMT-2056 later in 2025.

Positive Outlook

  • Cash runway extends into mid-2026
  • Initial expansion data from Emi-Le expected in H2 2025
  • Encouraging ORR and PFS in TNBC patients with high B7-H4 tumors
  • Two upcoming presentations at ASCO 2025 on Emi-Le
  • XMT-2056 trial progressing with initial STING activation data expected in 2025

Challenges Ahead

  • Significant drop in collaboration revenue year-over-year
  • Increased net loss compared to Q1 2024
  • G&A expenses remain high despite reductions
  • Continued reliance on external partnerships for development and commercialization
  • No new product approvals or revenue-generating assets launched yet