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$ALNY

Alnylam Pharmaceuticals, Inc.

XNASHealth CarePharmaceutical Preparations

$226.26-1.08%$2.46Prev $228.72LIVE Full chart Live alerts
No recent price bars, the chart lights up when ALNY starts printing.

Why is ALNY down today? It is at $226.26 (-1.08%), and our scanner flagged it 92 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ALNY spikes, and full due diligence on ALNY — key stats, earnings, dilution and insider activity. Free.

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Our scanner flagged $ALNY 92 times in the last 30 days. Create a free account to track $ALNY, build a watchlist, and get instant unusual-volume alerts — plus 5 free premium days, no card needed.

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Key Stats

Price & performance
Price
$226.26
Change today
-1.08%
Previous close
$228.72
52-week range
$197.81 – $495.55
Valuation & dividend
Market cap
$30.33B
Ownership & volume
Shares outstanding
133.8M
SEC · as of 2026-07-24 · 13d
Insider ownership
<1%
DEF 14A · 2026-04-06
Institutional own.
99.9%
Total held
100.0%
Short interest
5.8M
▼ -0% vs prior · as of 2026-07-15
Days to cover
3.2d
Avg daily volume
1.3M
Classification
Sector
Health Care
Industry
Pharmaceutical Preparations
Exchange
XNAS
Relative volumevs this time of day
5m
0.6x
15m
0.4x
1h
0.3x
1D
0.1x

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Why is $ALNY down today?

Here is the latest on ALNY from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for ALNY today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.

Likely catalystQuarterly report (10-Q), from the latest SEC filing. Read it →
Why is $ALNY moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profile⚡ Ultra-low floatShortableEasy to borrowNo SSRBorrow via Alpaca · SSR from Reg SHO 201
Wall Street consensusStrong Buy18 analysts
Avg target $372.67(+65% upside)
Range $230 – $550
16 buy2 hold0 sell

Analyst data via Nasdaq. Not investment advice.

Insiders

Insiders buying9 buys, 1 sells last 3 months (37/50 over 12 months)
Show 12 recent transactions
InsiderActionShares% of positionOwns afterValueDate
Pyott David E I
Director
Sold (automatic/other)-4Ksold 71%2K$1.1M
at $297.71
Jun 1, 26
Pyott David E I
Director
Other4Kadded 100%5Kn/aJun 1, 26
Arbuckle Stuart A
Director
Acquired (grant/award)+671n/a671n/aMay 20, 26
Ausiello Dennis A
Director
Acquired (grant/award)+671added 74%2Kn/aMay 20, 26
Brandicourt Olivier
Director
Acquired (grant/award)+671added 87%1Kn/aMay 20, 26
Hamburg Margaret A
Director
Acquired (grant/award)+671added 74%2Kn/aMay 20, 26
Kellogg Peter N
Director
Acquired (grant/award)+671added 87%1Kn/aMay 20, 26
Pyott David E I
Director
Acquired (grant/award)+671added 74%2Kn/aMay 20, 26
Reitan Colleen F
Director
Acquired (grant/award)+671added 87%1Kn/aMay 20, 26
Schulman Amy W
Director
Acquired (grant/award)+838added 3.6%24Kn/aMay 20, 26
Sigal Charles Elliott
Director
Acquired (grant/award)+671added 87%1Kn/aMay 20, 26
Schulman Amy W
Director
Other11Kadded 94%23K$790K
at $70.20
May 13, 26

Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.

$ALNY Sentiment

Neutral
Bearish47Bullish
📰 News: 3 bull · 3 bearToday: -1.1%👥 Community: 0 bull · 0 bear

Blend of news sentiment, today’s move, and community votes. Not investment advice.

$ALNY Activity

News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.

Alert· 18h ago +0.3% vs EMA
$ALNY near 200 EMA: +0.34% from 200 EMA at 4:12 PM ET
at $228.72
Alert· 18h ago 38.4× RVOL
ALNY hit 38.365x RVOL at 4:12 PM ET
at $228.72
Alert· 18h ago +1.2% vs EMA
$ALNY near 200 EMA: +1.24% from 200 EMA at 4:06 PM ET
at $230.70
Alert· 18h ago +1.52%
$ALNY moved +1.52% in 1 min (Level 1) at 4:06 PM ET
at $230.70
Alert· 18h ago 6.1× RVOL
ALNY hit 6.101x RVOL at 4:06 PM ET
at $230.70
Alert· 19h ago 7.0× RVOL
ALNY hit 7.038x RVOL at 3:06 PM ET
at $228.20
Alert· 20h ago +0.8% vs EMA
$ALNY near 200 EMA: +0.79% from 200 EMA at 1:57 PM ET
at $228.44
Alert· 20h ago 7.8× RVOL
ALNY hit 7.834x RVOL at 1:57 PM ET
at $228.44
Alert· 21h ago +0.8% vs EMA
$ALNY near 200 EMA: +0.83% from 200 EMA at 1:05 PM ET
at $227.35
Alert· 21h ago 3.1× RVOL
ALNY hit 3.141x RVOL at 1:05 PM ET
at $227.35
Alert· 23h ago +2.8% vs EMA
$ALNY near 200 EMA: +2.76% from 200 EMA at 11:12 AM ET
at $228.91
Alert· 23h ago 15.5× RVOL
ALNY hit 15.510x RVOL at 11:12 AM ET
at $228.91
Alert· 23h ago 4.1× RVOL
ALNY hit 4.121x RVOL at 10:56 AM ET
at $228.73
News· GlobeNewswire Inc.· 1d ago Bearish
ALNYLAM INVESTIGATION ALERT: Bragar Eagel & Squire, P.C. is Investigating Alnylam Pharmaceuticals, Inc. on Behalf of Alnylam Stockholders and Encourages Investors to Contact the Firm
Alert· 1d ago 35.7× RVOL
ALNY hit 35.718x RVOL at 3:36 PM ET
at $217.77
Alert· 1d ago 11.3× RVOL
ALNY hit 11.293x RVOL at 3:28 PM ET
at $217.30
Alert· 1d ago 7.2× RVOL
ALNY hit 7.158x RVOL at 2:34 PM ET
at $215.81
Alert· 1d ago -0.9% vs EMA
$ALNY near 200 EMA: -0.93% from 200 EMA at 2:31 PM ET
at $215.72
Alert· 1d ago -1.05%
$ALNY moved -1.05% in 1 min (Level 1) at 2:31 PM ET
at $215.72
Alert· 1d ago -0.1% vs EMA
$ALNY near 200 EMA: -0.08% from 200 EMA at 1:11 PM ET
at $217.26
Alert· 1d ago 10.1× RVOL
ALNY hit 10.073x RVOL at 1:11 PM ET
at $217.26
Alert· 1d ago -0.5% vs EMA
$ALNY near 200 EMA: -0.48% from 200 EMA at 11:09 AM ET
at $217.14
Alert· 1d ago 3.3× RVOL
ALNY hit 3.269x RVOL at 11:09 AM ET
at $217.14
Alert· 2d ago +1.10%
$ALNY moved +1.10% in 1 min (Level 1) at 9:27 AM ET
at $221.57
Alert· 2d ago 2.9× RVOL
ALNY hit 2.912x RVOL at 9:27 AM ET
at $221.57
News· GlobeNewswire Inc.· 2d ago Bearish
Securities Fraud Investigation Into Alnylam Pharmaceuticals, Inc. (ALNY) Continues – Shareholders Who Lost Money Urged To Contact The Law Offices of Frank R. Cruz
Alert· 2d ago +4.2% vs EMA
ALNY 200EMA (5m) Trending · 93 bars · L3 · +4.15% above EMA · slope +0.71%
at $220.40
News· GlobeNewswire Inc.· 5d ago Bearish
ALNYLAM PHARMACEUTICALS, INC. INVESTOR ALERT: Kirby McInerney LLP Announces Investigation Into Potential Securities Fraud
News· SEC EDGAR· 7d ago
ALNYLAM PHARMACEUTICALS, INC. filed a Quarterly report (10-Q)
News· SEC EDGAR· 7d ago
ALNYLAM PHARMACEUTICALS, INC. filed an 8-K: Results of Operations
News· GlobeNewswire Inc.· 20d ago Bullish
Atlas Healthcare Fund by VST Capital Entered Eli Lilly at $350 in 2020 — The Stock Now Trades Above $1,200
News· GlobeNewswire Inc.· 22d ago Bullish
Oligonucleotide CDMO Market to Reach USD 9.87 Billion by 2031 as RNA-Targeted Drug Pipelines Expand
News· GlobeNewswire Inc.· 30d ago Bullish
Transthyretin Amyloidosis Treatment Market Size to Reach USD 35.10 Billion by 2035, Growing at a 14.64% CAGR | SNS Insider

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ALNY stock FAQ

Why is $ALNY down today?

Here is the latest on ALNY from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for ALNY today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.

What is the ALNY stock price today?

ALNY last traded at $226.26, down 1.08% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).

Where can I see live ALNY alerts?

The ALNY Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged ALNY 92 times in the last 30 days.

What exchange is ALNY on?

ALNY (Alnylam Pharmaceuticals, Inc.) trades on XNAS, with a market cap of about $30.33B in the PHARMACEUTICAL PREPARATIONS sector.

Is ALNY good for day trading?

That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge ALNY for yourself. This is not investment advice.

Live data from TheDesperateTrader scanner. Not investment advice.