FundedIQ
Biotechnology

Ambrx: Funding, Investors & Team (Sep 2026)

Ambrx is a biopharmaceutical company in the clinical stage that applies a genetic code technology platform to find and create Engineered Precision Biologics. These consist of next-generation medications that connect antibodies to drugs, bispecific drugs, targeted therapies in the field of immune-oncology, unique cytokines that modify the immune system, and long-lasting peptides to treat metabolic and cardiovascular disorders. Ambrx is progressing with a broad range of clinical and preclinical programs to enhance effectiveness, safety, and convenience, in many medical fields, such as its principal candidate, ARX788.

www.ambrx.com La Jolla, United States 101-250 employees
Biopharma Biotechnology Health Care Life Science Therapeutics B2B
Total raised
$75.0M
Rounds
1
Latest
Undisclosed round
May 2023

Ambrx has raised $75.0M across 1 funding round on record, the most recent an undisclosed round of $75.0M announced in May 2023.

That round is above the $8.0M median round size for Biotechnology companies tracked on FundedIQ over the last two years.

Ambrx Company Profile and Key Stats

Total funding raised
$75.0M
across 1 round on record
Funding rounds on record
1
Latest funding round
Undisclosed round
$75.0M in May 2023
Employees
101-250
reported band
Headquarters
La Jolla, United States

Latest funding round on record: May 2023.

Ambrx Funding Rounds

Date
Round
Amount
Undisclosed round
$75.0M

Ambrx Founders and Leadership Team

Name
Role
Contact
Lawson Macartney
CEO

No contact details are on record for this team yet.

Ambrx Funding Compared to Other Biotechnology Startups

Segment
Companies
Median round
4,179
$8.0M
29,722
$7.5M

Ambrx's latest round of $75.0M is above the median round in Biotechnology. Medians cover the last 24 months of disclosed rounds.

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Ambrx Funding FAQs

What does Ambrx do?

Ambrx is a biopharmaceutical company in the clinical stage that applies a genetic code technology platform to find and create Engineered Precision Biologics. These consist of next-generation medications that connect antibodies to drugs, bispecific drugs, targeted therapies in the field of immune-oncology, unique cytokines that modify the immune system, and long-lasting peptides to treat metabolic and cardiovascular disorders. Ambrx is progressing with a broad range of clinical and preclinical programs to enhance effectiveness, safety, and convenience, in many medical fields, such as its principal candidate, ARX788.

How much funding has Ambrx raised?

Ambrx has raised $75.0M across 1 round on record. The most recent is an undisclosed round of $75.0M announced in May 2023.

When did Ambrx last raise funding?

Ambrx's most recent funding round on record is an undisclosed round of $75.0M, announced in May 2023.

Who is the CEO of Ambrx?

Lawson Macartney is listed as CEO at Ambrx.

Where is Ambrx headquartered?

Ambrx is based in La Jolla, California, United States.

How many employees does Ambrx have?

Ambrx is in the 101-250 employee band.

How does Ambrx's funding compare to other Biotechnology startups?

Ambrx's latest round of $75.0M is above the $8.0M median round size for Biotechnology companies on FundedIQ across 4,179 tracked companies over the last two years.

About FundedIQ's Ambrx Funding Data

FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.

Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Ambrx is left off this page rather than filled in.

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