# Alloy Therapeutics, Inc.: Research, Lexington, United States

> Alloy Therapeutics, Inc.: Alloy Therapeutics, Inc. Based in Lexington, United States. Founded 2017. What Millionrounds holds on them, and what we have not seen.

Source: https://millionrounds.com/startup/alloy-therapeutics-inc (Millionrounds; every figure on the page links to its filing or article)

United States · [Research startup](https://millionrounds.com/companies)

# Alloy Therapeutics, Inc.

Alloy Therapeutics, Inc.

Funding reported Last round: Series E

Research Lexington, United States

Company summary

- **Founded:** 2017 9 years old
- **Team:** 150 51 to 200 people
- **Funding reported:** $222M in dollars
- **Last round:** Series E Apr 2026

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for Alloy Therapeutics, Inc. has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About Alloy Therapeutics, Inc.

Alloy Therapeutics, Inc.

is a biotechnology ecosystem company founded in 2017, based in Boston, Massachusetts, with additional offices in Waltham, MA. The company operates a global network of labs in locations including Cambridge (UK), Basel (Switzerland), San Francisco (CA), and Athens (GA). Alloy Therapeutics focuses on empowering the scientific community to discover and develop better medicines through AI-driven platforms, integrated antibody discovery services, and proprietary technology licensing. The company offers a dual business model that includes licensing its technology platforms and providing bespoke discovery services across six therapeutic modalities: antibodies, bispecifics, TCR mimics, genetic medicines, cell therapies, and drug delivery. Key technology platforms include the ATX-GxTM Transgenic Mice Platform for monoclonal antibody discovery and the ATX-CLCTM Common Light Chain Platform for bispecific antibody engineering. Alloy Therapeutics serves a diverse clientele, including academic scientists, small and medium biotech firms, and large biopharmaceutical companies, collaborating with over 170 partners globally to advance drug discovery.

## What company datasets say Alloy Therapeutics, Inc. raised

Funding, as reported

Reported in all **$222M** in dollars

Last round **Series E**

Last round size **$40M**

Last round date **Apr 2026**

Investors listed **5**

## Founders and team

From Alloy Therapeutics, Inc.'s own website and the SEC filings it signed: 7 on the team.

- **Simon Friedensohn** CEO of Insights Division
- **Jeff Swenson** CFO, Alloy
- **Joshua Brandt** Head of Legal
- **Leigh Doyle** Associate Director, UK Operations and Co-head Alloy UK
- **Fabian B. Hansen** Mr. Hansen was elected as a Director subsequent to the Date of First Sale. i
- **Jay B. Rosanelli** Executive Officer i
- **Logan B. Snyder** Executive Officer, Director i

On the board, as filed i *Alex B. Kolicich* *Jason B. Camm* *Jason Coloma* *Ulrik B. Nielsen*

Advisers *Ron Adner* *Piotr B. Bobrowicz*

## The company, in detail

What they build

Known for

monoclonal antibodies venture studios biotechnology research bispecific antibodies biologics discovery b2b chimeric antigen receptors drug discovery tcr humanized transgenic mouse biotechnology services immunotherapy aso company creation biotech

Built with from their website

NetSuite Resi DocuSign JazzHR ChatGPT iEXExchanger CloudFlare CDN Mist Twilio SendGrid Email Marketing Campaigns React

+8 more

REST ANS BASE Graphy Spectro ANGEL LMS AWS Trusted Advisor Securonix Security Operations and Analytics Platform

- **Sector:** Research
- **Industry code:** NAICS 541714, SIC 8731
- **Region:** Massachusetts
- **Revenue:** $36M a year, as listed

## Research in United States

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- [**OpenAI** San Francisco · founded 2011 *Raised*](https://millionrounds.com/company/openai)
- [**Retro Biosciences** Redwood City · founded 2021 *Raised*](https://millionrounds.com/company/retro-biosciences)
- [**NewLimit** South San Francisco · founded 2022 *Raised*](https://millionrounds.com/company/newlimit)
- [**Pathos** New York · founded 2022 *Raised*](https://millionrounds.com/company/pathos)
- [**Colossal Biosciences** Dallas · founded 2021 *Raised*](https://millionrounds.com/company/colossal-biosciences)
- [**Oratomic** South Pasadena *Raised*](https://millionrounds.com/company/oratomic)
- [**Beeline Medicines** Stamford · founded 2025 *Raised*](https://millionrounds.com/company/beeline-medicines)
- [**Element Biosciences** San Diego · founded 2017 *Raised*](https://millionrounds.com/company/element-biosciences)

## Is this your company?

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