UPB · Upstream Bio, Inc.
$5.73
-0.35% last session
End-of-day data · close of 2026-09-11
Market cap
$0B
Enterprise value
$0B
Trailing P/E
—
Forward P/E
-2.1
Dividend yield
—
Beta
—
Avg volume
1M
Employees
0K
Daily Change %
-0.35%
5 Days Change
-4.33%
10 Days Change
-12.21%
30 Days Change
-16.79%
60 Days Change
-21.02%
Month to Day Change
-12.21%
Year to Day Change
-78.82%
Analyst Outlook
Analyst estimates change daily — follow the shifts on the Estimate Trends page.
Technical Analysis
Analyst sentiment over time — UPB
Rec Mean (blue, left — higher = more bullish) vs. price targets (right).
Investment Bank Ratings as of 2026-09-02
Latest call per bank · past 12 months
JP Morgan
Neutral$9.00
+56.5% vs priceRecent rating actions
| Date | Firm | Action | Rating | Price target |
|---|---|---|---|---|
| 2026-09-02 | HC Wainwright & Co. | Reiterates | Buy | $36.00 |
| 2026-08-14 | JP Morgan | Maintains | Neutral | $8.00 → $9.00 |
| 2026-08-12 | Truist Securities | Maintains | Buy | $43.00 → $25.00 |
| 2026-06-12 | JP Morgan | Downgrade | Overweight → Neutral | $35.00 → $8.00 |
| 2026-06-03 | HC Wainwright & Co. | Initiates | Buy | $0.00 → $36.00 |
| 2026-05-14 | Mizuho | Maintains | Outperform | $51.00 → $50.00 |
| 2026-03-27 | Evercore ISI Group | Downgrade | Outperform → In-Line | $40.00 → $15.00 |
| 2025-12-18 | Mizuho | Initiates | Outperform | $0.00 → $51.00 |
Ratings and price targets are the published opinions of the issuing banks, compiled from Yahoo Finance rating actions — not investment advice.
Signal Summary as of 2026-09-11
- RSI (14): RSI is 34 — neutral momentum, neither overbought nor oversold.
- Price vs 50-day MA: Trading 16.2% below the 50-day MA ($6.84).
- Price vs 200-day MA: Trading 57.6% below the 200-day MA ($13.51).
- MA cross: The 50-day MA sits below the 200-day MA (death-cross regime) — the longer-term trend points down.
- MACD (12,26,9): MACD histogram is negative (-0.11) — short-term momentum is fading.
- 52-week range: Price is within 10% of the 52-week low ($5.73).
UPB Price Chart
Loading chart for UPB…
Fundamentals
About Upstream Bio, Inc.
Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases focusing on severe respiratory disorders. It offers verekitug, which is in Phase 2 trials for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps and chronic obstructive pulmonary disease and in Phase I clinical trial for treating chronic obstructive pulmonary disease. The company was incorporated in 2021 and is headquartered in Waltham, Massachusetts.
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Data is sourced from end-of-day snapshots and refreshed daily before the US market open — nothing on this page is real-time. Figures can contain vendor errors. This page is for information only and is not investment advice.