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Ambrx logo — Pioneer and Leader in Next Generation Antibody Drug Conjugat...

Ambrx

Pioneer and Leader in Next Generation Antibody Drug Conjugates Using Engineered Precision Biologics

Founded 2003 United States San Diego, United States 58 employees Acquired Total: $2.55B Biotechnology

General Information

Company Name Ambrx
Founded Year 2003
Location United States San Diego, United States
Employees 58
Industries Biotechnology
Funding Stage Acquired
Social

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About Ambrx

Ambrx, founded in 2003 as a spin-out from The Scripps Research Institute, is a clinical stage biopharmaceutical company listed on Nasdaq under the ticker AMAM. Positioning itself as a pioneer and leader in its field, Ambrx employs an innovative expanded genetic code technology platform to develop next-generation antibody drug conjugates (ADCs) and engineered therapies aimed at modulating the immune system.

The company's portfolio highlights two proprietary ADC candidates: ARX517, which targets the prostate-specific membrane antigen (PSMA), and ARX788, focusing on HER2. Both are designed to enhance efficacy and safety across various cancer indications. As Ambrx moves forward with an array of clinical and preclinical programs, its strategic focus on ADCs and protein engineering technology positions it as a significant contender in the biopharmaceutical landscape, offering promising investment potential in targeted cancer therapies.

Business keywords: Antibody Drug Conjugates, Next Generation Therapies, Precision Biologics, Genetic Code Expansion, Immune System Modulation, Cancer Treatment, Prostate-Specific Membrane Antigen, HER2 Targeting, Protein Engineering, Biopharmaceutical Development, Clinical Stage Programs, Preclinical Programs

Funding Rounds & Investors (11)

View All
Funding Stage Amount Investors Lead Investors Date
Acquisition $2.00B 1
Johnson & Johnson
01 Jan 2024
Post-IPO Equity $78.00M -
01 Mar 2023
IPO $126.00M -
01 Jun 2021
Growth Equity VC $200.00M 6
BlackRock, Invus +4
01 Nov 2020
Late VC $45.00M 4
Everbright, Apricot Capital +2
01 Aug 2016
Series D $10.00M 7
5AM Ventures, M Ventures +5
01 Apr 2009
Series C $52.00M 7
5AM Ventures, Versant Ventures +5
01 Jul 2006
Series B $5.00M 2
5AM Ventures, Versant Ventures
01 Jan 2006
Series A $23.40M 1
M Ventures
01 Mar 2005
Spinout Undisclosed 1
Berkeley Ventures
01 Dec 2003

View All 11 Funding Rounds

Ambrx Alternatives & Competitors

View All Alternatives
Ambrx vs

Our mission is to discover and develop life-changing antibody-drug conjugates (ADCs) for patients fi...

Acquired
159 employees
Biotechnology, Health Care
Ambrx vs
Molecular Templates
Molecular Templates United States

Engineering the Next Generation of Therapeutics

Post-IPO Equity
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Pyxis Oncology
Pyxis Oncology United States

Charting a course to therapeutics for difficult-to-treat cancer.

68 employees
Biotechnology, Health Care

FAQ About Ambrx

Pioneer and Leader in Next Generation Antibody Drug Conjugates Using Engineered Precision Biologics
Ambrx was founded in 2003.
Ambrx is headquartered in San Diego, United States.
Ambrx operates in Biotechnology. Its work centres on Antibody Drug Conjugates, Next Generation Therapies, Precision Biologics and Genetic Code Expansion.
Ambrx has approximately 58 employees.
Ambrx has completed 11 funding rounds, raising a total of $2.55B. The latest funding stage is Acquired.
Top alternatives and competitors to Ambrx include Mersana Therapeutics, Molecular Templates, Pyxis Oncology, Umoja Biopharma, Arvinas. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Ambrx and Mersana Therapeutics are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Ambrx, https://bouncewatch.com/company/ambrx, updated 4 July 2026. When citing, please name BounceWatch and link this page.

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