Diagonal Therapeutics Funding: $253M Raised, Series B (2025)

Diagonal Therapeutics funding overview

Diagonal Therapeutics is a Biotech company based in Watertown, MA. Diagonal Therapeutics has raised $253M in total disclosed funding. That places its disclosed total in the $250M–$1B range. Its most recent disclosed round is a Series B announced in July 2025. The round record for Diagonal Therapeutics runs through 2025; nothing later has been disclosed. Investors on record include Atlas Venture, BVF Partners, Lightspeed Venture Partners, RA Capital Management, Frazier Life Sciences, Viking Global Investors and 6 others. 12 distinct backers are named across the disclosed rounds.

Diagonal Therapeutics at a glance

Total raised: $253M
Latest round: Series B
Latest round date: July 2025
Industry: Biotech
Headquarters: Watertown, MA
Notable investors: Atlas Venture, BVF Partners, Lightspeed Venture Partners, RA Capital Management, Frazier Life Sciences, Viking Global Investors, Velosity Capital, Checkpoint Capital

Frequently asked about Diagonal Therapeutics funding

How much has Diagonal Therapeutics raised?: Diagonal Therapeutics has raised $253M in total disclosed funding across the rounds on record.
Who has invested in Diagonal Therapeutics?: Atlas Venture, BVF Partners, Lightspeed Venture Partners, RA Capital Management, Frazier Life Sciences, Viking Global Investors are named among the investors backing Diagonal Therapeutics.
What was the latest Diagonal Therapeutics funding round?: The most recent disclosed round is a Series B, announced in July 2025.
Where is Diagonal Therapeutics based?: Diagonal Therapeutics is based in Watertown, MA.
What sector does Diagonal Therapeutics operate in?: Diagonal Therapeutics is tracked under Biotech from Watertown, MA, with $253M in disclosed funding.
When did Diagonal Therapeutics last raise?: The last disclosed Diagonal Therapeutics round closed in July 2025 at Series B.

Diagonal Therapeutics totals reflect disclosed capital only — undisclosed extensions and secondaries are excluded. Use the related Biotech companies in Watertown below to benchmark round size and investor mix.

Diagonal Therapeutics Funding: $253M Raised, Series B (2025)

Diagonal Therapeutics funding overview

Diagonal Therapeutics at a glance

Frequently asked about Diagonal Therapeutics funding

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