When was Sutro Biopharma founded?

Sutro Biopharma was founded in 2003 and raised its 1st funding round 2 years after it was founded.

Where is Sutro Biopharma located?

Sutro Biopharma is headquartered in United States. It is registered at South San Francisco,California.

How many employees does Sutro Biopharma have?

As of Aug 31, 2026, the latest employee count at Sutro Biopharma is 201.

Is Sutro Biopharma a funded company?

Sutro Biopharma is a funded company, having raised a total of $175M across 11 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on Sep 01, 2005.

When was the latest funding round of Sutro Biopharma?

Sutro Biopharma's latest funding was a $***** Series E round on Jul 26, 2018, with participation from 13 investors.

Where does Sutro Biopharma rank among its competitors?

Sutro Biopharma ranks 6th amongst 3334 active competitors, of which 1123 are funded. It stands 6th in terms of total funding among its competitors. The most recent competitor to raise funding was Sana Biotechnology, which secured $25M in Aug, 2026.

Who are the top competitors of Sutro Biopharma?

Sutro Biopharma's top competitors include Jazz Pharmaceuticals, BeiGene and Sana Biotechnology. Among them, Sana Biotechnology secured the most recent funding round in August, 2026.

Sutro Biopharma - 2026 Company Profile, Team, Funding, Competitors & Financials

Company Details

Developer of antibody-based therapeutics for cancer therapy. The company uses cell-free protein synthesis platform XpressCF technology led to the discovery of STRO-001 and STRO-002, for B-cell malignancies, ovarian and endometrial cancers.

Website: www.sutrobio.com/
Social
Email ID: *****@sutrobio.com
Phone Number: +1 **********
Registered Address: South San Francisco,California

Key Metrics

Founded Year

2003

Location

United States

Stage

Public

Total Funding

$175M in 11 rounds

Latest Funding Round

Series E, Jul 26, 2018, $*****

Investors

Skyline Ventures & 18 more

Ranked

6^th among 3334 active competitors

Employee Count

201 as on Aug 31, 2026

Similar Companies

Jazz Pharmaceuticals & 3091 more

Exit Details

Public

View Sutro Biopharma's full profile

Sutro Biopharma is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Sutro Biopharma, Inc. CIN: 470926186 , United States, Active	Dec 31, 1999	-	340 (As on Dec 31, 2024)	-

Sutro Biopharma got listed on Sep 27, 2018.

Click here to take a look at Sutro Biopharma's IPO in detail

Sutro Biopharma has raised a total funding of $175M over 11 rounds. Its first funding round was on Sep 01, 2005. Its latest funding round was a Series E round on Jul 26, 2018 for $*****. 13 investors participated in its latest round. Sutro Biopharma has 19 institutional investors.

Here is the list of recent funding rounds of Sutro Biopharma:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jul 26, 2018	8106920	Series E	5860452	6970905	8823381	3373274
Dec 11, 2013	6359583	Series D	2600498	9693153	1443448	Amgen Business Development
May 08, 2012	6596030	Series C	1401049	1218913	Skyline Ventures	Lilly Ventures & 3 more

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View details of Sutro Biopharma's funding rounds and investors

The founders of Sutro Biopharma is Diego Fonstad.

Here are the details of Sutro Biopharma's key team members:

Diego Fonstad: Co-Founder of Sutro Biopharma.

View details of Sutro Biopharma's Founder profiles and Board Members

Sutro Biopharma's employee count trend

Sutro Biopharma has 201 employees as of Aug 26. Here is Sutro Biopharma's employee count trend over the years:

Employee count trend for Sutro Biopharma

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Top competitors of Sutro Biopharma include Jazz Pharmaceuticals, BeiGene and Sana Biotechnology. Here is the list of Top 10 competitors of Sutro Biopharma, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Jazz Pharmaceuticals 2003, Dublin (Ireland), Public	Developer of novel biopharmaceutical medicines for unmet medical needs	$265M	Versant Ventures, Prospect Venture Partners ... & 14 others	81/100
2nd	BeiGene 2010, Cambridge (United States), Public	Developer of targeted and immune-oncology drugs against cancer	$172M	Hillhouse, T. Rowe Price & 13 others	81/100
3rd	Sana Biotechnology 2018, Seattle (United States), Public	Developer of engineered cell therapies for treating various human diseases	$821M	Baillie Gifford, PSP Investments & 18 others	74/100
4th	Ideaya Biosciences 2015, San Francisco (United States), Public	Developer of oncology-focused precision medicine using molecular diagnostics	$157M	BVF Partners, Boxer Capital & 15 others	73/100
5th	Senti Bio 2016, San Francisco (United States), Public	Developer of cell and gene therapies for patients living with incurable diseases	$158M	Celadon Partners, Leaps by Bayer & 30 others	72/100
6th	Sutro Biopharma 2003, United States, Public	Developer of antibody-based therapeutics for cancer therapy	$175M	Amgen Business Development, Celgene & 17 others	64/100
7th	Syndax 2005, Waltham (United States), Public	Developer of targeted therapies for the treatment of cancer	$198M	Fidelity Investments, Domain Associates & 19 others	72/100
8th	Immuneel 2018, Bengaluru (India), Series B	Developer of T-cell therapies for the treatment of cancer	$49.8M	F-Prime Capital, True North & 23 others	72/100
9th	Moderna 2010, Cambridge (United States), Public	Developer of mRNA-based therapeutics for a wide range of diseases	$2.78B	Merck, AstraZeneca & 32 others	72/100
10th	C4 Therapeutics 2016, Cambridge (United States), Public	Developer of small molecule drugs for treating cancer	$223M	Cobro Ventures, Perceptive Advisors & 27 others	71/100