STRO - Sutro Biopharma, Inc. Stock Analysis | Stock Taper
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Sutro Biopharma, Inc.

STRO

Sutro Biopharma, Inc. NASDAQ
$29.61 -0.54% (-0.16)

Market Cap $252.98 M
52w High $30.50
52w Low $5.20
P/E -1.32
Volume 314.68K
Outstanding Shares 8.50M

Income Statement

Period Revenue Operating Expense Net Income Net Profit Margin Earnings Per Share EBITDA
Q4-2025 $11.65M $43.68M $-46.76M -401.49% $-5.45 $-32.03M
Q3-2025 $9.69M $58.15M $-56.86M -586.58% $-6.7 $-44.55M
Q2-2025 $63.74M $67.09M $-11.5M -18.04% $-1.4 $1.07M
Q1-2025 $17.4M $85.91M $-75.97M -436.62% $-9.1 $-45.57M
Q4-2024 $14.81M $80.07M $-72.44M -489.18% $-8.8 $-59.53M

Balance Statement

Period Cash & Short-term Total Assets Total Liabilities Total Equity
Q4-2025 $141.43M $173.83M $306.28M $-132.45M
Q3-2025 $167.59M $209.66M $296.93M $-87.27M
Q2-2025 $205.13M $262.36M $294.47M $-32.11M
Q1-2025 $248.97M $321.43M $347.24M $-25.81M
Q4-2024 $316.89M $387.21M $342.61M $44.6M

Cash Flow Statement

Period Net Income Cash From Operations Cash From Investing Cash From Financing Net Change Free Cash Flow
Q4-2025 $-46.76M $-26.43M $18.7M $-64K $-7.8M $-26.62M
Q3-2025 $-56.86M $-38.19M $39.99M $102K $1.9M $-38.44M
Q2-2025 $-11.5M $-44.72M $2.58M $-60K $-42.2M $-44.81M
Q1-2025 $-75.97M $-67.88M $-16.26M $66K $-84.08M $-69.06M
Q4-2024 $-72.44M $-71.74M $87.49M $-24K $15.73M $-72.81M

Revenue by Products

Product Q3-2018Q4-2018Q2-2025Q3-2025
Operating Segments
Operating Segments
$0 $0 $60.00M $10.00M
Collaboration Revenue
Collaboration Revenue
$0 $20.00M $0 $0
Other Revenue
Other Revenue
$0 $0 $0 $0

5-Year Trend Analysis

A comprehensive look at Sutro Biopharma, Inc.'s financial evolution and strategic trajectory over the past five years.

+ Strengths

Core strengths include a highly differentiated protein‑engineering and ADC platform, a rich and innovative oncology pipeline, and validation through collaborations with larger pharma partners. Financially, the company holds a solid cash cushion relative to near‑term liabilities and maintains a net cash position, which supports ongoing R&D. The balance sheet is free from large goodwill or intangible write‑down risks, and the company retains strategic flexibility by not committing to dividends or buybacks.

! Risks

Key risks center on sustained heavy losses, negative free cash flow, and a deeply negative equity position, which together imply dependence on future financings or partnership inflows. Clinical and regulatory risk is substantial: trial failures, delays, or safety issues could materially damage the investment case for the platform. Competitive pressure in oncology and ADCs is intense, and there is no guarantee that Sutro’s candidates will stand out in efficacy, safety, or commercial attractiveness. Dilution risk and funding uncertainty remain important considerations.

Outlook

The outlook is highly event‑driven and uncertain, as is typical for clinical‑stage biotech. In the near term, Sutro appears capable of funding operations thanks to current liquidity, but ongoing cash burn will gradually erode this cushion absent new capital or sizable partnership payments. Longer‑term prospects hinge on the success of key programs like Luvelta and future candidates such as STRO‑004 and STRO‑227. If the platform continues to generate promising data and partnerships, the scientific and strategic narrative could strengthen; if not, the financial pressures highlighted by the current statements could become more acute.