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UPB · Upstream Bio, Inc.

Track UPB — free
$5.94 -0.55 (-8.41%)
Market Cap
$355.46M
Shares
54.77M

Price & Indicators

20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$6.48 Open$6.62 Day$6.41–6.98 52W close$5.92–32.60 Avg vol 30d596K Short int4.0M · 7.3% float · 5.6d Short vol62% Last earningsAug 11, 2026 DataOct 2024–Sep 2026 Filing10-Q · Aug 11

Up next

Next earnings call
Nov 10, 2026 Est · unconfirmed · in 10 wks
filed Aug 11, 2026

Metrics snapshot

Useful current figures from the complete screener profile.

Revenue (TTM)
$3.16M
Trailing 12 months
Net income (TTM)
−$156.50M
Trailing 12 months
Revenue growth YoY
-17.5%
Year over year
Operating margin
-5,382.6%
Trailing 12 months
P / E (TTM)
Trailing earnings
FCF yield
TTM · current market cap
Return on invested capital
Trailing 12 months
Net cash
$261.31M
Latest balance sheet
Dividend yield
Trailing 12 months
Shares change YoY
+1.5%
Year over year · more shares
Price change (1Y)
-68.0%
Trailing year
Short interest
7.3%
Latest settlement · 5.6 days to cover
View all 114 metrics

Equibles Rating

blended score · not investment advice
Overall
Sell
SellHoldBuy
Technical Strong Sell Momentum Very Weak Sentiment Neutral Fundamentals Strong Quant / Vol Very High
Market backdrop VIX 15.2 · calm Equity put/call 0.56
Technical
price trend
Strong Sell
50 / 200-day cross No cross
Price vs 200-day avg −54%
below
Price vs 50-day avg −7%
below
RSI (14) 43
neutral
MACD trend Negative
52-week position 2%
near low
Momentum
relative strength
Very Weak
1-month return −4%
trailing
6-month return −31%
trailing
YTD return −76%
this year
Relative strength −46%
vs S&P · 6-mo
Sentiment
smart money
Neutral
Trend (MA cross) No cross
50d $7 › 200d $14 — 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
7.33% of float · ▲ +10.1% MoM · 5.6 days cover
Volume signal Normal
Volume near normal
Institution breadth Multi-yr high
151 holders — near 1-yr high, broad support
Squeeze score 59
elevated · 0–100
Fundamentals
Strong
Revenue growth +20%
Y/Y
EPS growth +52%
Y/Y
Free cash flow $-133.4M
Quant / Vol
risk profile
Very High
Volatility 88%
annualized · 1-yr
Max drawdown −82%
past year
ATR 6.6%
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 Strong Sell
4 · 2 · 0
50 / 200-day cross
No cross Neutral
Price vs 200-day avg
−54% Bearish
Price vs 50-day avg
−7% Bearish
RSI (14)
43 Neutral
MACD trend
Negative Bearish
52-week position
2% Bearish
Market signals — smart money & positioning
Mixed
Trend (MA cross) No cross
50d $7 › 200d $14 — 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
7.33% of float · ▲ +10.1% MoM · 5.6 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 $6 · 2% Range high $33
vs 200-day avg -54% vs 50-day avg -7%

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

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
$355.46M -76.1% +20.4% 7.3%
VRTX
Vertex Pharmaceuticals Inc / Ma
$140.51B +22.8% +46.2% 32.3 1.6%
REGN
Regeneron Pharmaceuticals, Inc.
$84.82B +10.4% +20.8% 20.4 2.3%
ARGX
Argenx SE
$65.63B +25.5% 1.9%
MRNA
Moderna, Inc.
$61.59B +411.4% +4.3% 13.2%

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
92.4%
Net QoQ
+5.6M sh
Top holder
FMR LLC
Held Float
View
Held by Funds
Fund positions
151
View
Short & Settlement
Short Interest Rising
Shares short
4.0M
Days to cover
5.6d
Change
+368.1K sh
View
Short Volume
Short vol %
62%
As of
Sep 2, 2026
Short Total
View
Fails to Deliver
FTD shares
2.8K
Value
$18.2K
As of
Aug 4, 2026
View
Off-Exchange
Off-exchange %
35.8%
Week of
Jul 27, 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
Sep 1, 2026
This year
13
View
Earnings & Events
Earnings Calls
Last call
Aug 11, 2026
View

Performance

5D 20D 120D MTD YTD
UPB -9.1% -3.9% -31.3% -2.1% -76.1%
SPY -0.1% -0.6% +14.9% -0.3% +12.2%
vs SPY -9.0% -3.3% -46.2% -1.9% -88.3%
Key facts CIK 2022626 CUSIP 91678A107 13F (30d) 134 filings 133 filers Visit website Investor relations