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Diagonal Therapeutics

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Diagonal Therapeutics leads in pioneering a fresh method for discovering and advancing agonist antibodies in biotechnology

Watertown, United StatesFounded 2022Biotech & Life Sciences
Valuation $500M–1B Last recorded · 2026
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Diagonal Therapeutics and the history behind them.

About Diagonal Therapeutics

Diagonal Therapeutics is a biotechnology company focused on developing innovative agonist antibody therapeutics to treat the underlying causes of debilitating diseases. The company leverages a proprietary platform to create multispecific antibodies, allowing for 10 billion possible combinations, which helps in selecting the best clinical candidates. Diagonal Therapeutics operates in the biopharmaceutical market, primarily serving patients with severe medical conditions that lack effective treatments. The business model revolves around research and development, with revenue generated through partnerships, licensing agreements, and eventual commercialization of successful therapies. The company is led by a team of experienced scientific and business leaders, including CEO Alex, who has a robust background in biotechnology and drug discovery. Diagonal Therapeutics aims to transform patient outcomes by reactivating critical biological pathways.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2022
Headquarters
Watertown, United States
Employees
31
Open positions
2
Dealroom signal
82.7/100
Industry
Health
Sub-industry
BioTechnology
Sector
Biotech & Life Sciences, Biotechnology, Biotech and Pharma, DT and LS, science-based
Business model
Manufacturing
Client focus
b2b

Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES BOther financing Jan 2026 $125M $500M Atlas Venture · Viking Global Investors · Paulina Hill · Logos Capital ↗
SERIES AOther financing Apr 2024 $128M $512M Lightspeed Venture Partners · RA Capital Management · Velosity Capital · Checkpoint Capital ↗
Showing the latest 2 of 2 recorded eventsBook a demo for the full funding history →

Growth signals

Diagonal Therapeutics website traffic

Latest recorded traffic for Diagonal Therapeutics is 4.6K monthly website visits, down 14.8% over the last three months. Diagonal Therapeutics's team grew 10.7% over the past year.

Latest monthly visits4.6K 3-month web change-14.8% 1-year team growth+10.7%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Open positions

Openings linked to this company in Dealroom
1 distinct opening shownExplore hiring signals →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

18 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A18 investors entered at this stage

Team profiled 1 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
1 countries with
team presence
🇺🇸 United States100%
1 country shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Diagonal Therapeutics on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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