7 firms writing Biotech checks in Watertown, led by Atlas Venture, Casdin Capital, ARCH Venture Partners — ranked by verified deal count with the companies.
Biotech in Watertown accounts for 10 tracked companies with verified cap-table data, 10 of which disclose round sizes totalling $2.4B. The median disclosed raise is $200M, and the largest is Treeline Biosciences at $1.1B, ahead of Triveni Bio ($277M) and Diagonal Therapeutics ($253M).
The names that recur most often on these biotech cap tables are Atlas Venture (3 companies), OrbiMed (2 companies), Fidelity Management & Research Company (2 companies), Janus Henderson Investors (2 companies), Deep Track Capital (2 companies), Cormorant Asset Management (2 companies). By latest disclosed round, the market skews Series A (3), Series B (2), Series C (1), Growth (1).
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