Ratio Therapeutics Funding, Investors & Competitors

Ratio Therapeutics has raised $160M across 4 funding rounds, most recently a $70M Series C in July 2026.

Last Ratio Therapeutics funding round

$70M

Series C · Jul 2026

Cumulative funding Ratio Therapeutics raised

$160M

across 4 funding rounds

Key investors in Ratio Therapeutics

  • Bristol-Myers Squibb
  • Schusterman Family Investments
  • Duquesne Capital Management
  • Eli Lilly
  • Catalio Capital Management
  • Duquesne Family Office
  • The Pags Group
  • Cornell University

Ratio Therapeutics Overview

About Ratio Therapeutics

Ratio Therapeutics is a Boston-based pharmaceutical company, founded in 2021, developing precision radiopharmaceuticals for the treatment and imaging of solid tumor cancers. Its proprietary Trillium and Macropa technology platforms use alpha particles to enable imaging, discovery, and development of targeted radiotherapeutics designed to address challenges around delivery, safety, and efficacy. The company's pipeline includes a fibroblast activation protein-alpha (FAP)-targeted radiotherapy program, and it collaborates with pharmaceutical partners including Bayer, Lantheus, and Merck.


Founded

2021

HQ

United StatesUnited States

Status

Privately held

Customer focus

B2B

Revenue model

Licensing

Ratio Therapeutics Funding History

Ratio Therapeutics has raised a total of $160M across 4 funding rounds.

Ratio Therapeutics' first fundraising round was a $20M seed round in June 2022. The most recent completed round was a $70M Series C in July 2026.

Ratio Therapeutics funding rounds

Ratio Therapeutics funding rounds
DateStageInvestorsRaisedDeal Summary
Jul 2026Series CWasatch Group; Duquesne Family Office; Catalio Capital Management; Bristol-Myers Squibb; Eli Lilly$70MBristol Myers Squibb participated in Ratio Therapeutics’ $70 million Series C financing announced on July 31, 2026, alongside existing investor Duquesne Family Office and new investors Catalio Capital Management, Eli Lilly and Company, and Wasatch Group. The round used convertible preferred shares, and the company said the financing brings total capital raised to more than $240 million. The financing was structured to support clinical development of Ratio’s targeted radiotherapeutics pipeline and expansion of manufacturing infrastructure. The capital is intended to advance Ratio’s next phase of growth in radiopharmaceuticals for cancer treatment, building on earlier backing from Bristol Myers Squibb and other investors in prior rounds. Ratio is a Boston-based clinical-stage pharmaceutical company focused on best-in-class radiopharmaceuticals, using its Trillium and Macropa platforms to develop targeted cancer therapies. The company has previously raised $50 million in a Series B round, with Bristol Myers Squibb also among the investors, and its cumulative funding had reached about $90 million before the 2026 Series C. Ratio Therapeutics was founded in 2021 and develops targeted radiotherapeutics for oncology, with a pipeline aimed at advancing clinical assets and scaling manufacturing capacity. The company’s investor base includes repeat participation from strategic pharmaceutical backers, and the latest financing underscores continued external support for its platform and production scale-up plans.
Jan 2024Series BThe Pags Group; Duquesne Capital Management; Cornell University; Bristol-Myers Squibb; Schusterman Family Investments$50MRatio Therapeutics is a Boston-based pharmaceutical company founded in 2021 that develops precision radiopharmaceuticals for the treatment and monitoring of solid tumor cancers. The company's proprietary technology platforms, Trillium and Macropa, leverage alpha particles to enable imaging, discovery, and advancement of novel radiopharmaceuticals designed to overcome challenges of delivery, safety, and efficacy. The company was founded by John Babich, Ph.D., and Jack Hoppin, Ph.D., and employs a team of radiopharmaceutical discovery and development experts. In January 2024, Ratio Therapeutics announced the completion of a $50 million Series B financing round led by returning investors Schusterman Family Investments and Duquesne Capital Management, with participation from new investors Bristol Myers Squibb, PagsGroup, and the Center for Technology Licensing at Cornell University. This round brought the company's total capital raised to more than $90 million since its 2021 launch. The funding was allocated to expand applications of its proprietary technology platforms and to advance its fibroblast activation protein-alpha (FAP)-targeted radiotherapy, with the company targeting clinical trial entry by the end of 2024. Ratio Therapeutics collaborates with major pharmaceutical and healthcare companies including Bayer, Lantheus, and Merck, and expanded its manufacturing partnership with PharmaLogic, a Florida-based contract development and manufacturing organization, to accelerate commercialization of its radiotherapeutic pipeline.
Feb 2023Series ADuquesne Capital Management (lead); Schusterman Family Investments (lead)$20MRatio Therapeutics is a Boston-based pharmaceutical company developing targeted radiotherapeutics for cancer treatment using proprietary Trillium and Macropa technology platforms that leverage alpha particles to address delivery, safety, and efficacy challenges in radiopharmaceuticals. Founded in June 2022 by Jack Hoppin and John Babich, the company launched with over $20 million in seed financing while engaged in fully funded development alliances with Bayer and Lantheus Holdings Inc. On February 1, 2023, Ratio Therapeutics closed a $20 million Series A financing extension led by Duquesne Capital and Schusterman Family Investments, with participation from existing investors, bringing total financing to over $40 million since launch. Kenan Turnacioglu from Catalio Capital Management joined as an executive advisor, and Susan K. Whoriskey was added to the board as a strategic advisor. The funds extend cash runway into 2024 to optimize and expand technology platforms, accelerate discovery and development of radiotherapies and diagnostics, advance programs to clinical-stage, hire team members, and form new partnerships. The company has progressed collaboration programs, established internal discovery and preclinical programs, and implemented a comprehensive IP strategy with numerous patent applications in targeted radiotherapies and diagnostics. Subsequent developments include a $50 million Series B in December 2023/January 2024 from the same leads plus Bristol-Myers Squibb, Cornell University, and PagsGroup, raising total funding over $90 million to further expand platforms and advance FAP-targeted therapeutic to clinical trials by end of 2024.
Jun 2022Seed-$20MRatio Therapeutics is a Boston-based biotechnology company developing best-in-class targeted radiopharmaceuticals for cancer treatment and monitoring, leveraging proprietary Trillium and Macropa technology platforms to optimize delivery, safety, and efficacy. The company emerged from stealth on June 10, 2022, announcing more than $20 million in seed financing, fully funded development alliances with Bayer AG and Lantheus Holdings Inc., and a portfolio of preclinical assets advancing toward clinical studies. Founders Jack Hoppin (Chairman and CEO) and John Babich (President and CSO) emphasized the interdisciplinary approach combining chemistry, physics, and medicine to address challenges in radiotherapeutics. The seed round on June 10, 2022, marked Ratio's formal launch with significant preclinical data supporting drug candidates, positioning it as a partner for pharmaceutical companies in oncology. Subsequent rounds included a Series A on February 1, 2023 (amount undisclosed), and a Series B on December 21, 2023, raising $50 million from Duquesne Capital, Schusterman Family Investments, Bristol-Myers Squibb, Cornell University, and PagsGroup, bringing total financing to over $90 million since 2021. The Series B supports expansion of Trillium and Macropa platforms, clinical development of a fibroblast activation protein-alpha (FAP)-targeted radiotherapeutic for solid-tumor cancers, and initiation of clinical trials by year-end 2024. Ratio had filed two INDs and completed enrollment in radiation dosimetry studies for corporate partnerships prior to the Series B.

Who has invested in Ratio Therapeutics?

9 investors have backed Ratio Therapeutics across its funding rounds, including Bristol-Myers Squibb, Schusterman Family Investments, Duquesne Capital Management, Eli Lilly, Catalio Capital Management and Duquesne Family Office.

Lead investors include Duquesne Capital Management and Schusterman Family Investments.


Ratio Therapeutics Investors

Investors in Ratio Therapeutics by funding rounds participated
InvestorHQRoundsRoleFirst check
Duquesne Capital ManagementUnited StatesNew York City, NY2LeadFeb 2023
Bristol-Myers SquibbUnited StatesNew York City, NY2ParticipantJan 2024
Schusterman Family InvestmentsUnited StatesNew York City, NY2LeadFeb 2023
The Pags GroupUnited StatesBoston, MA1ParticipantJan 2024
Wasatch GroupUnited StatesLogan, UT1ParticipantJul 2026
Duquesne Family OfficeUnited StatesPittsburgh, PA1ParticipantJul 2026
Cornell UniversityUnited StatesIthaca, NY1ParticipantJan 2024

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Ratio Therapeutics Competitors

Ratio Therapeutics competitors include listed companies like Johnson & Johnson and Roche, and private ones like Biosplice Therapeutics, Biomat USA, ArsenalBio and BioRay Pharmaceuticals.

Public and private companies comparable to Ratio Therapeutics
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Johnson & JohnsonUnited StatesUnited StatesPublicly listed$94B$40B$651B6.8x
RocheSwitzerlandSwitzerlandPublicly listed$77B$26B$351B4.9x
Biosplice TherapeuticsUnited StatesSan Diego, CAPrivate--$12B-
Biomat USAUnited StatesLos Angeles, CAPrivate--$4.2B-
ArsenalBioUnited StatesUnited StatesPrivate--$1.9B-
BioRay PharmaceuticalsChinaShanghaiPrivate$131M-$1.9B14.5x

Ratio Therapeutics Public Comps

Ratio Therapeutics is still privately-owned, but its public comps include Samsung, Eli Lilly, Johnson & Johnson, AbbVie, Merck, Roche, Novartis, AstraZeneca, Thermo Fisher Scientific and Siemens.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Samsung$243B$67B4.4x2.4x15.8x4.4x
Eli Lilly$65B$28B16.5x13.1x38.7x27.0x
Johnson & Johnson$94B$40B7.2x6.8x17.0x18.3x
AbbVie$61B$17B8.7x8.1x30.6x17.6x
Merck$65B$28B6.3x6.2x14.7x21.0x
Roche$77B$26B5.0x4.9x14.6x12.4x
Novartis$57B$22B5.5x5.5x14.2x13.3x
AstraZeneca$59B$19B4.8x4.5x14.6x12.7x

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Common questions about Ratio Therapeutics

When was Ratio Therapeutics founded?Ratio Therapeutics was founded in 2021.
Where is Ratio Therapeutics headquartered?Ratio Therapeutics is headquartered in United States.
Is Ratio Therapeutics publicly listed?No, Ratio Therapeutics is a private, VC-backed company.
How much funding has Ratio Therapeutics raised?Ratio Therapeutics has raised $160M across 4 funding rounds.
What was Ratio Therapeutics' last funding round?Ratio Therapeutics' last funding round was a $70M Series C in July 2026.
Who are Ratio Therapeutics' investors?Ratio Therapeutics' investors include Duquesne Capital Management, Bristol-Myers Squibb, Schusterman Family Investments, The Pags Group, Wasatch Group, Duquesne Family Office, Cornell University, Catalio Capital Management and Eli Lilly.
Which companies are comparable to Ratio Therapeutics?Companies comparable to Ratio Therapeutics include Johnson & Johnson, Roche, Biosplice Therapeutics, Biomat USA, ArsenalBio and BioRay Pharmaceuticals.

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