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STRO · Sutro Biopharma, Inc.

Track STRO — free
$21.04 -0.12 (-0.57%) At close · Aug 21
Market Cap
$348.87M
Shares
16.58M

Price & Indicators

20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$21.04 Open$21.39 Day$20.84–21.86 Since split$8.49–40.91 Avg vol 30d302K Short int1.7M · 10.5% float · 6.4d Short vol74% Last earningsAug 12, 2026 DataDec 2025–Aug 2026 Filing10-Q · Aug 12

Raw chart and full-history price indicators begin at the captured split on Dec 3, 2025; bars on opposite sides are not compared.

The closing range begins at the captured split on Dec 3, 2025.

Up next

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

Equibles Rating

blended score · not investment advice
Overall
Sell
SellHoldBuy
Technical Sell Momentum Neutral Sentiment Neutral Fundamentals Fair Quant / Vol Very High
Market backdrop VIX 15.1 · calm Equity put/call 0.58
Technical
price trend
Sell
50 / 200-day cross No cross
Price vs 50-day avg −20%
below
RSI (14) 37
neutral
MACD trend Negative
52-week position 39%
mid-range
Volume (OBV) Confirms
volume backs price
Momentum
relative strength
Neutral
1-month return −8%
trailing
6-month return +2%
trailing
YTD return +82%
this year
Relative strength −9%
vs S&P · 6-mo
Sentiment
smart money
Neutral
Trend (MA cross) No cross
50/200-day averages unavailable
Institutional flow Accumulating
+24% holders QoQ · +39 funds added
Insider flow Flat
No net insider activity over 90 days
Short interest Rising
10.52% of float · ▲ +5.6% MoM · 6.4 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
97 holders — mid 3-yr range
Squeeze score 59
elevated · 0–100
Fundamentals
Fair
Revenue growth −26%
Y/Y
EPS growth +24%
Y/Y
Free cash flow $-178.8M
Balance sheet $54.1M
net cash
Quant / Vol
risk profile
Very High
Volatility 86%
annualized · 1-yr
Max drawdown −50%
past year
ATR 9.5%
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.

Guidance & track record

Prior guidance period ended · from the 8-K filed Nov 6, 2025
Restructuring costs · fourth quarter of 2025 $4.1M – $4.3M

Guidance from company 8-Ks · delivered figures from as-reported statements · no analyst estimates involved.

Technicals

trend & momentum for long-term holders Sell
2 · 4 · 0
50 / 200-day cross
No cross Neutral
Price vs 50-day avg
−20% Bearish
RSI (14)
37 Neutral
MACD trend
Negative Bearish
52-week position
39% Neutral
Volume (OBV)
Confirms Neutral
Market signals — smart money & positioning
Mixed
Trend (MA cross) No cross
50/200-day averages unavailable
Institutional flow Accumulating
+24% holders QoQ · +39 funds added
Insider flow Flat
No net insider activity over 90 days
Short interest Rising
10.52% of float · ▲ +5.6% MoM · 6.4 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
97 holders — mid 3-yr range
Price context
position in its range since split · 2025-12-03
Range low $8 Now $21 · 39% Range high $41
vs 50-day avg -20%

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
Cash, cash equivalents and marketable securities $164.3M As of June 30, 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
STRO
Sutro Biopharma, Inc.
this stock
$348.87M +81.8% -25.7% 10.5%
VRTX
Vertex Pharmaceuticals Inc / Ma
$136.93B +20.9% +46.2% 31.5 1.6%
REGN
Regeneron Pharmaceuticals, Inc.
$85.87B +8.1% +20.8% 20.7 3.3%
ARGX
Argenx SE
$64.56B +23.6% 2.1%
CSLLY
Csl Ltd
$58.31B 0.0%

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
97
% held
99.5%
Net QoQ
+2.1M sh
Top holder
PERCEPTIVE ADVISORS LLC
Held Float
View
Held by Funds
Fund positions
35
View
Short & Settlement
Short Interest Rising
Shares short
1.7M
Days to cover
6.4d
Change
+92.0K sh
View
Short Volume
Short vol %
74%
As of
Aug 21, 2026
Short Total
View
Fails to Deliver
FTD shares
1.1K
Value
$25.0K
As of
Jul 23, 2026
View
Off-Exchange
Off-exchange %
38.4%
Week of
Jul 13, 2026
Off-exch Lit
View
Financials
Financials
Revenue (FY)
$102.5M
Net income (FY)
$-191.1M
EPS diluted
$-22.49
View
Filings
SEC Filings
Latest
8-K
Filed
Aug 12, 2026
This year
10
View
Proposed Sales
Value
$131.0K
Shares
8.9K
Filed
Jan 20, 2026
View
Earnings & Events
Earnings Calls
Last call
Aug 12, 2026
View

Performance

Raw-price comparisons begin at the captured split on Dec 3, 2025; windows that need an earlier baseline remain unavailable.

5D 20D 120D MTD YTD
STRO +2.7% -8.0% +2.4% -13.0% +81.9%
SPY -1.4% +3.6% +11.6% +2.5% +12.3%
vs SPY +4.1% -11.7% -9.2% -15.5% +69.6%
Key facts CIK 1382101 CUSIP 869367201 13F (30d) 96 filings 93 filers Visit website Investor relations