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Why Alnylam stock is tanking today

By Wealth Awesome -

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Stocks & ETFs:ALNY.US

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Alnylam Pharmaceuticals faces significant market pressures as shares continue to decline amidst ongoing scrutiny.

Alnylam Pharmaceuticals Inc (NASDAQ:ALNY) is experiencing a notable downturn, with its stock price dropping 1.99% to close at CA$228.04. This decline follows a series of concerning developments that have raised questions about the company's future prospects.

Investor takeaway: Investors are increasingly wary of Alnylam's valuation and the implications of ongoing legal scrutiny, leading to a reevaluation of the stock's attractiveness.

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Alnylam Pharmaceuticals Inc

ALNY.US

Full stock page →

ALNY.US

Alnylam Pharmaceuticals Inc

Source:WealthAwesomeWealthAwesome
↓ $75.75 (-24.56%)
120 day period
$205.48$264.49$323.50Apr 21Jul 17Oct 9

Market cap

$31.13B

P/E

39.2x

52W high

$495.55

52W low

$197.81

1W change

+5.90%

Beta

0.27

Analyst Price Targets

Based on 29 analysts covering ALNY · as of Oct 12, 2026

📈

Wall Street analysts forecast ALNY stock price to rise 59.3% over the next 12 months.

Consensus

Buy

4.31 / 5.00

Avg. Target

C$370.55

+59.3% Upside

Previously C$371.12 on Oct 5, 2026

Current Price

C$232.68

Last close

Analyst Breakdown (29 analysts)

Strong Buy 16
Buy 6
Hold 7
Compare analyst targets →

Targets are snapshotted when they change. Unchanged figures keep their original date. Not financial advice.

Wealth Awesome Price Forecast

WA Model

Statistical 90-day price range based on ALNY's historical volatility

HistoricalForecast68%95%
C$107.57C$156.42C$205.28C$254.13C$302.99C$351.84TodayJun 3Aug 7Oct 9Nov 21Jan 4Feb 16

30-Day Vol

47.1%

Annualized

90-Day Vol

71.0%

Annualized

Trend (90d)

-50.0%

Annualized drift

90d Mean

C$194.63

Expected price

HorizonExpected68% Range (1σ)
30 trading daysC$219.23C$186.37 – C$257.89
60 trading daysC$206.57C$164.18 – C$259.89
90 trading daysC$194.63C$146.91 – C$257.85

Methodology: Range is calculated using 30-day realized volatility via geometric Brownian motion (log-normal model). 68% band = ±1σ, 95% band = ±2σ. This is a statistical model, not a prediction. Past volatility does not guarantee future results. Not financial advice.

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43.5% Year-to-Date Decline

Alnylam's shares have plummeted 43.5% year-to-date, reflecting investor concerns about the company's financial health and market position.

Bull case

Alnylam has a strong pipeline of RNAi therapies that could offer significant growth opportunities if clinical trials succeed and regulatory approvals are secured.

Bear case

The company is navigating a tough environment with legal investigations and disappointing sales expectations, which may hinder its ability to deliver on future earnings.

Market Reaction to Legal Scrutiny

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Alnylam's stock price has been under pressure due to ongoing legal scrutiny related to its TTR franchise. Investors are worried that the company's valuation may not accurately reflect its earning potential, especially with reduced sales expectations. This uncertainty has led to a significant reevaluation of the stock, contributing to today's decline.

Valuation Concerns Amidst Declining Estimates

The company's P/E ratio of 39.24 suggests that investors are still paying a premium for Alnylam shares, despite a 43.5% drop in stock value this year. Recent earnings estimates have also been revised downward, further complicating the investment landscape for Alnylam as analysts weigh the risks associated with its current valuation.

Future Outlook Remains Clouded

With Alnylam's shares continuing to falter, the outlook for the company remains uncertain. The combination of legal challenges and disappointing sales forecasts raises questions about its ability to recover. Investors will need to closely monitor upcoming developments and clinical trial results to gauge the stock's future trajectory.

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Wealth Awesome
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Wealth Awesome

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✅ Reviewed by Certified Financial Professionals

This content has been reviewed by CFA® charterholders and Certified Financial Planners (CFP®) with over a decade of experience in Canadian financial markets. All information is fact-checked against official Canadian sources and regulations.

Why these credentials matter: CFA® charterholders complete 900+ hours of rigorous study in investment analysis and ethics. CFP® professionals are held to the highest standards of financial planning competency and fiduciary duty in Canada.

📊 Data AccuracyVerified sources
🇨🇦 Canadian FocusLocal expertise
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⚠️ Professional Disclaimer

This content is for educational purposes only and should not be considered personalized financial advice. While our team brings professional expertise, individual circumstances vary. For personalized guidance, consult with a qualified financial advisor, tax professional, or mortgage specialist.

Published: October 12, 2026
Last Updated: October 12, 2026

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