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RNA · Atrium Therapeutics, Inc.

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$13.20 -0.28 (-2.08%) At close · Aug 21
Market Cap
$225.79M
Shares
17.11M

Price & Indicators

20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$13.20 Open$13.53 Day$12.96–13.59 Available close range$11.18–16.54 Avg vol 30d144K Short int3.5M · 20.5% float · 28.4d Short vol28% Last earningsAug 13, 2026 DataFeb 2026–Aug 2026 Filing10-Q · Aug 13

The closing range uses available history since Feb 27, 2026; less than a full year is stored.

Up next

FQ3-26 quarter ends
~Sep 30, 2026 Est
filed Aug 13, 2026

Equibles Rating

blended score · not investment advice
Overall
Neutral
SellHoldBuy
Technical Buy Momentum Weak Sentiment Neutral Fundamentals Limited Quant / Vol Moderate
Market backdrop VIX 15.1 · calm Equity put/call 0.51
Technical
price trend
Buy
50 / 200-day cross No cross
Price vs 50-day avg +6%
above
RSI (14) 61
neutral
MACD trend Positive
52-week position 38%
mid-range
Volume (OBV) Confirms
volume backs price
Momentum
relative strength
Weak
1-month return +15%
trailing
6-month return −11%
trailing
Relative strength −23%
vs S&P · 6-mo
Sentiment
smart money
Neutral
Trend (MA cross) No cross
50/200-day averages unavailable
Institutional flow Distributing
-6% holders QoQ · +38 funds added
Insider flow Flat
No net insider activity over 90 days
Short interest Falling
20.54% of float · ▼ -2.1% MoM · 28.4 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
155 holders — 13F breadth
Squeeze score 76
high risk · 0–100
Fundamentals
Limited
Not enough data for a confident read.
Quant / Vol
risk profile
Moderate
Volatility 45%
annualized · 1-yr
Max drawdown −32%
past year
ATR 3.7%
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 Buy
0 · 4 · 2
50 / 200-day cross
No cross Neutral
Price vs 50-day avg
+6% Bullish
RSI (14)
61 Neutral
MACD trend
Positive Bullish
52-week position
38% Neutral
Volume (OBV)
Confirms Neutral
Market signals — smart money & positioning
Mixed
Trend (MA cross) No cross
50/200-day averages unavailable
Institutional flow Distributing
-6% holders QoQ · +38 funds added
Insider flow Flat
No net insider activity over 90 days
Short interest Falling
20.54% of float · ▼ -2.1% MoM · 28.4 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
155 holders — 13F breadth
Price context
position in its available closing range
Range low $11 Now $13 · 38% Range high $17
vs 50-day avg +6%

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
RNA
Atrium Therapeutics, Inc.
this stock
$225.79M 20.5%
VRTX
Vertex Pharmaceuticals Inc / Ma
$138.91B +20.9% +46.2% 31.9 1.6%
REGN
Regeneron Pharmaceuticals, Inc.
$85.87B +8.1% +20.8% 20.7 3.3%
ARGX
Argenx SE
$64.66B +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 Reducing
Holders
155
% held
88.7%
Net QoQ
-863.0K sh
Top holder
Sessa Capital IM, L.P.
Held Float
View
Held by Funds
Fund positions
162
View
Short & Settlement
Short Interest Falling
Shares short
3.5M
Days to cover
28.4d
Change
-77.1K sh
View
Short Volume
Short vol %
28%
As of
Aug 21, 2026
Short Total
View
Fails to Deliver
FTD shares
304
Value
$3.4K
As of
Jul 30, 2026
View
Off-Exchange
Off-exchange %
43.8%
Week of
Jul 13, 2026
Off-exch Lit
View
Filings
SEC Filings
Latest
8-K
Filed
Aug 13, 2026
This year
7
View
Earnings & Events
Earnings Calls
Last call
Aug 13, 2026
View

Performance

5D 20D 120D MTD YTD
RNA +2.8% +14.9% -11.5% +16.3%
SPY -1.4% +3.6% +11.6% +2.5% +12.3%
vs SPY +4.2% +11.3% -23.0% +13.8%
Key facts CIK 2093101 CUSIP 04965N104 13F (30d) 149 filings 146 filers Visit website Investor relations