UPB - Upstream Bio, Inc. Stock Analysis | Stock Taper
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Upstream Bio, Inc.

UPB

Upstream Bio, Inc. NASDAQ
$7.68 -2.78% (-0.22)

Market Cap $415.02 M
52w High $33.68
52w Low $5.14
P/E -1.20
Volume 1.11M
Outstanding Shares 54.04M

Income Statement

Period Revenue Operating Expense Net Income Net Profit Margin Earnings Per Share EBITDA
Q3-2025 $683K $38.49M $-33.75M -4.94K% $-0.63 $-33.72M
Q2-2025 $937K $45.28M $-39.97M -4.27K% $-0.74 $-44.3M
Q1-2025 $566K $32.58M $-27.27M -4.82K% $-0.51 $-31.97M
Q4-2024 $613K $26.93M $-21.24M -3.47K% $-0.41 $-26.27M
Q3-2024 $607K $19.5M $-15.99M -2.63K% $-0.41 $-18.88M

What's going well?

Losses are narrowing as the company cuts expenses, especially in R&D and admin. No debt means no interest burden, and the company is still earning some income from other sources.

What's concerning?

Revenue is falling quickly and is tiny compared to expenses. The company is still losing tens of millions each quarter, with no sign of reaching profitability soon.

Balance Statement

Period Cash & Short-term Total Assets Total Liabilities Total Equity
Q3-2025 $372.43M $391.19M $12.61M $378.58M
Q2-2025 $393.58M $420.52M $11.78M $408.74M
Q1-2025 $431.38M $456.17M $10.56M $445.61M
Q4-2024 $470.45M $481.72M $11.87M $469.85M
Q3-2024 $220.66M $232.7M $393.01M $-160.31M

What's financially strong about this company?

UPB is extremely liquid, with $372 million in cash and investments and almost no debt. Their assets are high quality and easy to access, and they have no risky goodwill or intangible assets.

What are the financial risks or weaknesses?

Retained earnings are deeply negative, showing a history of losses. Book value and cash are both down from last quarter, and payables are rising, which could signal some pressure.

Cash Flow Statement

Period Net Income Cash From Operations Cash From Investing Cash From Financing Net Change Free Cash Flow
Q3-2025 $-33.75M $-22.24M $48.19M $760K $26.71M $-22.19M
Q2-2025 $-39.97M $-39.24M $12.77M $612K $-25.85M $-39.29M
Q1-2025 $-27.27M $-41.16M $-213.38M $-34K $-254.58M $-41.16M
Q4-2024 $-21.24M $-19.61M $41.91M $270.65M $292.94M $-19.8M
Q3-2024 $-15.99M $-13.96M $1.41M $-1.64M $-14.19M $-14.29M

What's strong about this company's cash flow?

The cash burn from operations is shrinking, and the company increased its cash balance by $26.7 million this quarter. Working capital changes gave a temporary boost to cash flow.

What are the cash flow concerns?

Operations are still losing real cash, and the company is relying on selling investments and issuing stock to fund itself. Without a turnaround, more outside funding will be needed.

5-Year Trend Analysis

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

+ Strengths

Key positives include a strong cash position with minimal debt, giving the company time to pursue its clinical strategy; a clear scientific focus on an upstream inflammatory target with first‑in‑class potential; and early clinical signals that support the possibility of a differentiated product profile, including less frequent dosing. The balance sheet now provides a solid financial platform for continued R&D, and the business model remains asset‑light outside of research spending.

! Risks

Major risks center on persistent and widening losses, heavy dependence on external funding, and the binary nature of clinical trial outcomes for the lead program. The competitive landscape is dominated by powerful incumbents and alternative therapies, which raises the bar for differentiation and pricing power. Concentration on a single primary asset increases exposure to any scientific, safety, regulatory, or commercial setbacks, and the company has not yet demonstrated an ability to convert R&D investment into sustainable revenue.

Outlook

UPB’s outlook is best described as financially well‑funded but operationally unproven. The company now has the balance‑sheet strength to pursue its clinical agenda over the near to medium term, but the ultimate trajectory will depend on upcoming trial results and the ability to secure regulatory approvals and payer support in crowded markets. If the science translates into clearly superior patient outcomes and a compelling product profile, the current investment phase could lay the groundwork for future growth; if not, the combination of cash burn and concentration risk could become increasingly difficult to manage over time.