Skip to content
Sutro Biopharma logo

Sutro Biopharma

STRO

Sutro Biopharma is a clinical-stage oncology company that utilizes its proprietary cell-free protein synthesis platforms, XpressCF and XpressCF+, to develop next-generation therapeutics.

Market cap
$496.95M+619%
Revenue$99.6M+49.9%
Net income-$153.6M+37.4%
Free cash flow-$151.6M+26.0%
EPS (diluted)-$24.53+34.7%
Trailing twelve months · change vs. prior year

Earnings

Next report

Aug 6, 2026 (In 3 weeks)
Revenue estimate$11.8M
EPS estimate-$2.22

Financials

Q1 2026

Income statement

See full
Revenue$14.5M-16.5%
Operating income-$29.7M+56.7%
Net income-$38.5M+49.3%
EPS (diluted)-$2.94+67.6%

Balance sheet

See full
Cash & equivalents$73.7M-30.6%
Total debt$13.6M-36.3%
Total equity-$66.9M-159%
Total assets$242.0M-24.7%

Cash flow

See full
Operating cash flow-$42.3M+37.7%
CapEx--100%
Free cash flow-$42.3M+37.8%

Valuation & ratios

Valuation

See full
Market cap$496.95M+619%
Enterprise value$436.9M+2,309%
P/S+4.4×

Profitability

See full
Operating margin-120%-48.6pp
Net margin-154.2%-56.7pp
FCF margin-152.2%-51.1pp

Returns & leverage

See full
Current ratio3.1×+1.0×

Segments

By product

See full
Ongoing Performance Related To Unsatisfied Performance Obligations$12.0M-7.7%
Materials Supply$1.1M-41.4%
Financing Component On Unearned Revenue$911.0K-22.5%
Research And Development Services$556.0K-38.1%

Competitors

Profile

Sutro Biopharma is a clinical-stage oncology company that utilizes its proprietary cell-free protein synthesis platforms, XpressCF and XpressCF+, to develop next-generation therapeutics. The company specializes in creating site-specific antibody-drug conjugates (ADCs), bispecific ADCs, and immunostimulatory ADCs with optimized therapeutic profiles. Their core value proposition lies in the ability to rapidly design and manufacture homogeneous molecules that target clinically validated cancer pathways where current treatments are suboptimal.

Competitive position

Sutro maintains a specialized position as a leader in cell-free protein synthesis, offering a unique ability to produce homogeneous ADCs with precise drug-antibody ratios that are difficult to achieve with conventional cell-based methods.

GeographiesUnited States, China
Customer segmentsPharmaceutical Companies, Biotechnology Companies, Cancer Patients
Business modelR&D, Licensing, B2B Partnerships
SuppliersContract Manufacturing Organizations (CMOs), E. coli bacterial strains, Specialized reagents, Academic research licenses
CustomersPharmaceutical partners, Clinical trial sites, Oncology patients
Listed2018
Employees300.0
CEOJane Chung
FilingsSEC EDGAR

Questions, answered.

What is Sutro Biopharma's market cap?
Sutro Biopharma (STRO) has a market capitalization of $496.9M and trades on NASDAQ.
What is Sutro Biopharma's revenue and profitability?
Sutro Biopharma generated $99.6M in trailing twelve-month revenue with a net loss of $153.6M, representing a net margin of -154.2%, with free cash flow of -$151.6M. These figures are based on the Q1 2026 filing.
Who are Sutro Biopharma's competitors?
Sutro Biopharma's key competitors include Genmab A/S, Pfizer Inc., AstraZeneca PLC, and others. These companies compete in similar markets and product categories.
Who does Sutro Biopharma partner with?
Sutro Biopharma's notable partners include Astellas Pharma Inc., Vaxcyte, Inc., Merck & Co., Inc., and others.
Where is Sutro Biopharma headquartered?
Sutro Biopharma is headquartered in United States of America and employs approximately 300 people. It has been publicly traded since 2018.