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RayzeBio

Biotech & Life Sciences · San Diego, United States · Founded 2020 · IPO 2023

RayzeBio is a vertically integrated radiopharmaceutical therapeutics company focused on improving cancer patient survival through the development of targeted, innovative drugs that harness the power of radioisotopes. The company operates in the oncology market, serving cancer patients with solid tumors, including metastatic disease. RayzeBio's business model involves the discovery, preclinical evaluation, and clinical development of radiopharmaceutical drug candidates. The company makes money by advancing its drug candidates through clinical trials and eventually bringing them to market, where they can be used to treat cancer patients. RayzeBio has built a diverse portfolio of drug candidates ranging from early discovery to late-stage clinical programs, leveraging over 500 in vivo experiments and a systematic, data-driven approach to drug development. The company aims to selectively kill cancer cells by delivering radioisotopes intravenously in a targeted manner directly to tumors. Keywords: radiopharmaceutical, therapeutics, oncology, cancer, radioisotopes, drug development, clinical trials, solid tumors, metastatic disease, targeted therapy.

Valuation $2.5–5B
Headcount 100–500
Total funding $100–500M

Investors

22 investors on RayzeBio's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Series A 12 investors entered at this stage
Versant Ventures
venBio Partners
Samsara BioCapital
Venrock Healthcare Capital Partners
Viking Global Investors
Redmile Group
Logos Capital
Venrock
OrbiMed
Alexandria Venture Investments
Cormorant Asset Management
LifeSci Venture Partners
Series B+ 10 investors entered at this stage
Vivo Capital
Acuta Capital Partners
TCGX
Perceptive Advisors
Deerfield
Wellington Management
Sofinnova Investments
Laurion Capital Management
Soleus Capital
Ally Bridge Group

Global footprint

Where RayzeBio has talent and traffic

Workforce by country
4 countries with
team presence
🇺🇸 United States98%
🇫🇷 France1%
🇨🇦 Canada0.5%
🇦🇷 Argentina0.5%
4 countries shown
Web traffic by country
5.6K monthly visits
across markets
🇺🇸 United States87.5%
🇮🇳 India14.3%
Top 2 markets shown

Talent graph

The shape of RayzeBio's talent

Dealroom maps RayzeBio's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.

9 standout operatorsDealroom-flagged across the org
2 AI specialistsincl. 1 core researchers
264 employees mappedperson by person
DimensionScore
AI Talentlive Score hidden — book a demo
Engineering Score hidden — book a demo
Product Score hidden — book a demo
Go-to-market Score hidden — book a demo
Leadership Score hidden — book a demo
Research Score hidden — book a demo
Book a demo to unlock RayzeBio's exact scores

Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.

Patent intelligence

$439k patent portfolio · 14 active families

Estimated portfolio value
$439k
0.01% of market cap · 91.4× smaller than top peer Caris Life Sciences ($40M)
14 active patent families

Source: Dealroom Patent Intelligence · Patsnap. Request a demo for the full per-sub-category breakdown, individual records, and quality-score history.

Market sentiment

What the market is saying about RayzeBio

An AI-synthesized read of the highest-engagement posts about RayzeBio on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

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

See RayzeBio on the full Dealroom platform

Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.