WallStSmart
UPB

Upstream Bio, Inc.

NASDAQ: UPB · HEALTHCARE · BIOTECHNOLOGY

$9.19
-3.36% today

Updated 2026-04-29

Market cap
$500.12M
P/E ratio
P/S ratio
175.23x
EPS (TTM)
$-2.66
Dividend yield
52W range
$7 – $34
Volume
1.0M

Upstream Bio, Inc. (UPB) Financial statements

SEC filings — annual and quarterly data.

Profit margin
0.00%
Operating margin
-6,911.00%
ROE
-35.40%
ROA
-24.00%
Debt/equity

Margin trends — annual

Gross margin Operating margin Profit margin
YearRevenueNet incomeGross marginOp. marginProfit margin
2022$1.21M$-23.87M100.00%-1,972.69%-1,969.31%
2023$2.38M$-20.54M100.00%-1,685.46%-862.90%
2024$2.37M$-62.81M100.00%-3,281.18%-2,650.04%
2025$2.85M$-143.44M93.41%-5,618.82%-5,026.03%