As of December 2025 Mersana Therapeutics has a market cap of A$0.21 Billion. This makes Mersana Therapeutics the world's 8912th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 10th, 2025 the market cap of Mersana Therapeutics was reported to be: