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UPB · Upstream Bio, Inc.

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$6.96 +0.11 (+1.61%)
Going-concern doubt — flagged Aug 11, 2026

Substantial doubt about the company's ability to continue as a going concern.

“The Company has evaluated whether there are conditions and events, considered in the aggregate, that raise substantial doubt about the Company's ability to continue as a going concern within one year from the issuance of these condensed consolidated financial statements.”
View the 10-Q filed Aug 11, 2026
Market Cap
$375.18M
Shares
54.77M

Price & Indicators

Indicators
Price
Panels
Event markers
20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$6.85 Open$7.48 Day$6.75–7.56 52W close$5.92–32.60 Avg vol 30d566K Short int3.6M · 6.7% float · 7.5d Short vol33% Last earningsAug 11, 2026 DataOct 2024–Aug 2026 Filing10-Q · Aug 11

Up next

Next earnings call
Nov 10, 2026 Est · unconfirmed · in 12 wks
FQ3-26 quarter ends
~Sep 30, 2026 Est
Latest filing: 10-Q
filed Aug 11, 2026

Equibles Rating

blended score · not investment advice
Overall
Sell
SellHoldBuy
Technical Neutral Momentum Weak Sentiment Neutral Fundamentals Strong Quant / Vol Very High
Market backdrop VIX 16 · calm Equity put/call 0.58
Technical
price trend
Neutral
50 / 200-day cross No cross
Price vs 200-day avg −54%
below
Price vs 50-day avg +0%
above
RSI (14) 48
neutral
MACD trend Positive
52-week position 3%
near low
Volume (OBV) Confirms
volume backs price
Momentum
relative strength
Weak
1-month return +7%
trailing
6-month return −11%
trailing
YTD return −75%
this year
Relative strength −22%
vs S&P · 6-mo
Sentiment
smart money
Neutral
Trend (MA cross) No cross
50d $7 › 200d $15 — 200d above 50d
Institutional flow Accumulating
+6% holders QoQ · +37 funds added
Insider flow Distributing
Net -$30.6K over 90 days · 100% sells
Short interest Rising
6.66% of float · ▲ +0.8% MoM · 7.5 days cover
Volume signal Normal
Volume near normal
Institution breadth Multi-yr high
151 holders — near 1-yr high, broad support
Squeeze score 71
high risk · 0–100
Fundamentals
Strong
Revenue growth +20%
Y/Y
EPS growth +52%
Y/Y
Free cash flow $-133.4M
Balance sheet $101.6M
net cash
Quant / Vol
risk profile
Very High
Volatility 90%
annualized · 1-yr
Max drawdown −82%
past year
ATR 6.7%
of price · 14-day

Blended from price, momentum, positioning, fundamentals & volatility · daily-close · not investment advice. Market backdrop is context, not part of the score.

Technicals

trend & momentum for long-term holders Neutral
2 · 3 · 2
50 / 200-day cross
No cross Neutral
Price vs 200-day avg
−54% Bearish
Price vs 50-day avg
+0% Bullish
RSI (14)
48 Neutral
MACD trend
Positive Bullish
52-week position
3% Bearish
Volume (OBV)
Confirms Neutral
Market signals — smart money & positioning
Mixed
Trend (MA cross) No cross
50d $7 › 200d $15 — 200d above 50d
Institutional flow Accumulating
+6% holders QoQ · +37 funds added
Insider flow Distributing
Net -$30.6K over 90 days · 100% sells
Short interest Rising
6.66% of float · ▲ +0.8% MoM · 7.5 days cover
Volume signal Normal
Volume near normal
Institution breadth Multi-yr high
151 holders — near 1-yr high, broad support
Price context
position in its 52-week range
Range low $6 Now $7 · 3% Range high $33
vs 200-day avg -54% vs 50-day avg +0%

Illustrative technical + ownership context — a signal mix, not investment advice.

Key metrics

the company's own KPIs, from written earnings releases and filings
Metric Latest Period YoY
Phase 2 VENTURE trial participants enrolled 481 Q2 2026 —

Figures exactly as the company stated them in writing · click a metric with a to chart its history · period links open the stating document · "filing" marks figures stated in the 10-K/10-Q · YoY needs an exactly comparable prior-year period

Versus peers

Biotechnology — same industry group
Open screener →
Company Mkt cap YTD Rev growth Y/Y P/E Short % shares
UPB
Upstream Bio, Inc.
this stock
$375.18M -74.8% +20.4% — 6.7%
ONC
BeOne Medicines Ltd.
 $557.05B +21.5% +22179.2% 856.5 0.1%
VRTX
Vertex Pharmaceuticals Inc / Ma
 $136.93B +19.2% +46.2% 31.5 1.6%
REGN
Regeneron Pharmaceuticals, Inc.
 $86.39B +7.1% +20.8% 20.8 3.3%
ARGX
Argenx SE
 $64.56B +23.4% — — 2.1%

Peers by industry group · P/E from as-reported trailing EPS · short % is of shares outstanding

At a glance

key data from every section
Ownership
Institutional Holders Accumulating
Holders
151
% held
92.3%
Net QoQ
+5.5M sh
Top holder
FMR LLC
Held Float
View
Held by Funds
Fund positions
143
View
Short & Settlement
Short Interest Rising
Shares short
3.6M
Days to cover
7.5d
Change
+30.4K sh
View
Short Volume
Short vol %
33%
As of
Aug 20, 2026
Short Total
View
Fails to Deliver
FTD shares
7.6K
Value
$49.8K
As of
Jul 23, 2026
View
Off-Exchange
Off-exchange %
30.5%
Week of
Jul 13, 2026
Off-exch Lit
View
Smart Money
Insider Trades Net selling
Net (90d)
-$30.6K
Buyers / Sellers
0 / 5
Buyers Sellers
View
Financials
Financials
Revenue (FY)
$2.9M
Net income (FY)
$-143.4M
EPS diluted
$-2.66
View
Filings
SEC Filings
Latest
8-K
Filed
Aug 11, 2026
This year
12
View
Earnings & Events
Earnings Calls
Last call
Aug 11, 2026
View

Performance

5D 20D 120D MTD YTD
UPB -0.9% +7.0% -10.8% +8.6% -74.8%
SPY -2.0% +3.3% +11.2% +2.1% +11.8%
vs SPY +1.1% +3.7% -22.0% +6.5% -86.6%
Key facts CIK 2022626 CUSIP 91678A107 13F (30d) 146 filings 144 filers Visit website Investor relations

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