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Side-by-side financial comparison of Surrozen, Inc. (SRZN) and SUTRO BIOPHARMA, INC. (STRO). Click either name above to swap in a different company.

SUTRO BIOPHARMA, INC. is the larger business by last-quarter revenue ($11.6M vs $10.0M, roughly 1.2× Surrozen, Inc.).

Surrozen, Inc. is a clinical-stage biotechnology company dedicated to developing targeted regenerative therapies based on the Wnt signaling pathway. Its product pipeline covers unmet medical needs in ophthalmology, gastrointestinal diseases and other severe chronic conditions, serving global patient groups and collaborating with industry partners to advance innovative treatment accessibility.

Sutro Biopharma, Inc. is a publicly traded biotechnology company headquartered in South San Francisco, California focused on clinical-stage drug discovery, development and manufacturing. Using a proprietary cell-free protein synthesis platform, Sutro is working on oncology therapeutics using protein engineering and rational design. Founded in 2003 under the name Fundamental Applied Biology, the company name changed to Sutro Biopharma in 2009. William Newell, CEO as of 2024, joined Sutro in Ja...

SRZN vs STRO — Head-to-Head

Bigger by revenue
STRO
STRO
1.2× larger
STRO
$11.6M
$10.0M
SRZN

Income Statement — Q3 FY2024 vs Q4 FY2025

Metric
SRZN
SRZN
STRO
STRO
Revenue
$10.0M
$11.6M
Net Profit
$-1.4M
Gross Margin
Operating Margin
12.3%
Net Margin
-14.3%
Revenue YoY
-21.4%
Net Profit YoY
86.3%
35.4%
EPS (diluted)
$-0.44

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
SRZN
SRZN
STRO
STRO
Q4 25
$11.6M
Q3 25
$9.7M
Q2 25
$63.7M
Q1 25
$17.4M
Q4 24
$14.8M
Q3 24
$10.0M
$8.5M
Q2 24
$0
$25.7M
Q1 24
$0
$13.0M
Net Profit
SRZN
SRZN
STRO
STRO
Q4 25
Q3 25
$-56.9M
Q2 25
$-11.5M
Q1 25
$-76.0M
Q4 24
$-72.4M
Q3 24
$-1.4M
$-48.8M
Q2 24
$-25.3M
$-48.0M
Q1 24
$-8.8M
$-58.2M
Operating Margin
SRZN
SRZN
STRO
STRO
Q4 25
Q3 25
-499.9%
Q2 25
-5.2%
Q1 25
-393.8%
Q4 24
-440.7%
Q3 24
12.3%
-797.2%
Q2 24
-189.4%
Q1 24
-435.0%
Net Margin
SRZN
SRZN
STRO
STRO
Q4 25
Q3 25
-586.6%
Q2 25
-18.0%
Q1 25
-436.6%
Q4 24
-489.2%
Q3 24
-14.3%
-572.6%
Q2 24
-186.8%
Q1 24
-447.5%
EPS (diluted)
SRZN
SRZN
STRO
STRO
Q4 25
Q3 25
$-0.67
Q2 25
$-0.14
Q1 25
$-0.91
Q4 24
$-27.63
Q3 24
$-0.44
$-0.59
Q2 24
$-7.99
$-0.59
Q1 24
$-4.24
$-0.59

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
SRZN
SRZN
STRO
STRO
Cash + ST InvestmentsLiquidity on hand
$31.0M
$141.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$5.7M
$-132.5M
Total Assets
$48.0M
$173.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SRZN
SRZN
STRO
STRO
Q4 25
$141.4M
Q3 25
$167.6M
Q2 25
$205.1M
Q1 25
$249.0M
Q4 24
$316.9M
Q3 24
$31.0M
$388.3M
Q2 24
$37.8M
$375.6M
Q1 24
$27.3M
$267.6M
Stockholders' Equity
SRZN
SRZN
STRO
STRO
Q4 25
$-132.5M
Q3 25
$-87.3M
Q2 25
$-32.1M
Q1 25
$-25.8M
Q4 24
$44.6M
Q3 24
$5.7M
$111.2M
Q2 24
$6.1M
$152.2M
Q1 24
$30.1M
$98.0M
Total Assets
SRZN
SRZN
STRO
STRO
Q4 25
$173.8M
Q3 25
$209.7M
Q2 25
$262.4M
Q1 25
$321.4M
Q4 24
$387.2M
Q3 24
$48.0M
$451.8M
Q2 24
$45.1M
$489.0M
Q1 24
$36.7M
$403.4M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
SRZN
SRZN
STRO
STRO
Operating Cash FlowLast quarter
$-6.8M
$-177.2M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SRZN
SRZN
STRO
STRO
Q4 25
$-177.2M
Q3 25
$-38.2M
Q2 25
$-44.7M
Q1 25
$-67.9M
Q4 24
$-71.7M
Q3 24
$-6.8M
$-64.5M
Q2 24
$-5.6M
$9.5M
Q1 24
$-8.7M
$-64.7M
Free Cash Flow
SRZN
SRZN
STRO
STRO
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
$-8.8M
Capex Intensity
SRZN
SRZN
STRO
STRO
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
0.0%
Q2 24
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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