UPB (Upstream Bio Inc.) historical data
STOCKListed1-minute bars
| Symbol | UPB |
|---|---|
| Name | Upstream Bio Inc. |
| Exchange | NASDAQ |
| Sector | Healthcare |
| Industry | Biotechnology |
| IPO date | 2024-10-11 |
| History | 2024-10-11 to 2026-10-09 (about 2 years) |
| Bar sizes | Daily, hourly, 5-minute and 1-minute |
| Adjustments | Unadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read |
| Survivorship | Included in the survivorship-free universe |
| Free tier | Last 12 months of daily bars |
Price history at a glance
UPB last closed at $4.70 on 2026-10-09, -76.3% over the past year. Its deepest fall from a prior high in this history was -85.9%, reached on 2026-10-06.
| Last close | $4.70 (2026-10-09) |
|---|---|
| 1-year change | -76.3% |
| Annualized since 2024-10-11 | -53.9% |
| 52-week range | $4.59 – $32.60 |
| Deepest drawdown | -85.9% (2026-10-06) |
| Avg. daily dollar volume (3 months) | $3.8m |
| Daily bars in history | 499 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Institutional ownership (13F, 2026Q2)
| Managers holding | 149 |
|---|---|
| Shares held | 50,573,705 ($350.1m reported value) |
| Quarter flows | 38 new, 65 added, 28 trimmed, 29 exited; +5,687,191 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("UPB") on the look-back bundles. Top holders of UPB · All 13F managers
Get it in Python
import finzdata as yf
df = yf.Ticker("UPB").history(start="2024-10-11", interval="1d")
df.tail()