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Ratio Therapeutics

A discovery through early clinical phase pharmaceutical company, Ratio Therapeutics employs a suite of innovative technologies to develop best-in-class targeted radiotherapeutics for the treatment of cancer.Ratio Therapeutics’ TrilliumTM targeting scaffold combines pharmacokinetic modulation with best-in-class chelation technology to create proprietary small molecule targeting agents to attack a broad array of cancer targets. Our compounds accommodate imaging and therapeutic radioisotopes, ie "theranostics". The tunable nature of our platform combined with small-scale imaging trials in patients results in accelerated, de-risked compound selection.

Biotechnology ResearchBiopharmaBiotechnologyLife ScienceMedical

Ratio Therapeutics is a biotechnology research company headquartered in Boston, Massachusetts, United States. The team counts 84 people, up 24% over the last year. Ratio Therapeutics has 1 open role right now and a website drawing 4K monthly visits.

Employees
84
+23.5% YoY
Founded
2021
Privately Held
Headquarters
Boston
Massachusetts, USA
Total funding
$160M
Across 4 rounds
Monthly visits
4K
+87.2% QoQ
Top country
USA
Most employees
Headcount

Employee growth

Ratio Therapeutics grew from ~15 employees in June 2022 to 43 by July 2024, reaching 84 by August 2026, tracked weekly in Crustdata's proprietary dataset since June 2022.

Last 3 months
+7.7%
Last 6 months
+12.0%
Last 12 months
+23.5%
Last 2 years
+104.9%
Funding

Capital raised

Ratio Therapeutics has raised $160M across 4 rounds since 2022 - from a $20M Series A to a $70M Series C - most recently 18 days ago.

  1. Jul 2026

    In July 2026, Ratio Therapeutics raised $70M in a Series C round.

  2. Jan 2024

    In January 2024, Ratio Therapeutics raised $50M in a Series B round.

  3. Feb 2023

    In February 2023, Ratio Therapeutics raised $20M in a Series A round.

  4. Jun 2022

    In June 2022, Ratio Therapeutics raised $20M in a Seed Round round.

Cap table

Investors

Ratio Therapeutics's 5 backers include leading firms such as The Pags Group, Bristol-Myers Squibb, Duquesne Capital Management, and Cornell University.

Firms (5)
The Pags GroupBristol-Myers SquibbDuquesne Capital ManagementCornell UniversitySchusterman Family Investments
Team

Leadership

Ratio Therapeutics's leadership includes Chief Medical Officer Colin Hayward, Chief Business Officer Bill Cupelo, Chief Strategy Officer Marcel R., and President & Chief Scientific Officer John Babich.

Categorization

Industries & markets

Ratio Therapeutics is classified across the following industries, categories, and markets that Crustdata tracks for competitive analysis and sector benchmarking.

Categories
BiopharmaBiotechnologyLife ScienceMedicalPharmaceutical
Markets
Private
Top employee skills
Microsoft OfficeBiotechnologyDrug DiscoveryLife SciencesResearch SkillsHigh-Performance Liquid Chromatography (HPLC)BiochemistryData AnalysisCell CulturePharmaceuticsDrug DevelopmentLaboratory Skills

See the top Biotechnology Research companies ranked by size, growth and funding.

Hiring

Open positions

Ratio Therapeutics has 1 open role, 100% based in the US.

By location
United States
1 open · 100%
1
By seniority
Mid / Other
1 open · 100%
1

Ratio Therapeutics is hiring for 1 role in United States.

Growth

Ratio Therapeutics Growth Score

Ratio Therapeutics has a Crustdata Growth Score of 63 out of 100, which points to strong growth. Behind the number: headcount grew 24% year over year, web traffic grew 87% quarter over quarter, 1 role is open, and it last raised funding 1 month ago.

63/100
Strong growth
Based on 4 of 4 growth signals
Headcount growth +24% YoY
Web traffic trend +87% QoQ
Active hiring 1 open role
Recent funding Raised 1 month ago
FAQ

Ratio Therapeutics FAQs

Below are 11 of the most common questions about Ratio Therapeutics, answered with data tracked and refreshed weekly using Crustdata's proprietary dataset.

Company Overview (4)

What industry does Ratio Therapeutics operate in?

Ratio Therapeutics operates in Biotechnology Research.

When was Ratio Therapeutics founded?

Ratio Therapeutics was founded in 2021 and is based in Boston.

Where is Ratio Therapeutics headquartered?

Ratio Therapeutics is headquartered in Boston, Massachusetts.

Where can I find official profiles for Ratio Therapeutics?

Ratio Therapeutics can be found on their website at ratiotx.com, LinkedIn, and Twitter/X (@Ratio_Tx).

People & Growth (3)

How many employees does Ratio Therapeutics have?

Ratio Therapeutics has 84 employees, with 23.5% year-over-year growth.

How much funding has Ratio Therapeutics raised?

Ratio Therapeutics has raised $160M across 4 disclosed funding rounds. The most recent disclosed round was $70M from a Series C round.

Who are Ratio Therapeutics's investors?

Ratio Therapeutics is backed by 5 institutional investors and 0 individual investors, including The Pags Group, Bristol-Myers Squibb, Duquesne Capital Management, Cornell University, and Schusterman Family Investments.

Markets & Operations (2)

Is Ratio Therapeutics publicly traded?

Ratio Therapeutics is privately held and is not listed on any public exchange.

What is Ratio Therapeutics's website traffic?

ratiotx.com receives approximately 4K monthly visitors, with 87.2% quarter-over-quarter growth.

Competitors (1)

Who are Ratio Therapeutics's competitors?

Ratio Therapeutics competes with 3 companies, including Rapport Therapeutics, Ray Therapeutics, Inc., and Ring Therapeutics.

Growth (1)

What is Ratio Therapeutics's Crustdata Growth Score?

Ratio Therapeutics's growth score is 63 out of 100. The Crustdata Growth Score rates a company from 0 to 100 on how quickly it is growing, combining four signals: headcount growth, the number of open roles, web traffic trend, and how recently it last raised funding. A higher score means more of those signals are pointing up.