Alnylam Pharmaceuticals, Inc. , a biopharmaceutical company, focuses on discovering, developing, and commercializing novel therapeutics based on ribonucleic acid interference.
Alnylam Pharmaceuticals stock last closed at $456.04, up 1.44% from the previous day, and has increased 71.06% in one year. It has overperformed other stocks in the Biotechnology industry by 0.91 percentage points. Alnylam Pharmaceuticals stock is currently +121.52% from its 52-week low of $205.87, and -7.97% from its 52-week high of $495.55.
There are currently 132.11M ALNY shares outstanding. The market value of ALNY is $60.25B. In the last 24 hours, 1.82M ALNY shares were traded.
How to Buy Alnylam Pharmaceuticals Stock
Wondering how to invest in Alnylam Pharmaceuticals stock? Here's how.
Decide where to buy Alnylam Pharmaceuticals stock: You need to pick an online brokerage, but don't worry - we've tried dozens of online brokerages and apps to help you determine where to buy Alnylam Pharmaceuticals stock.
Sign up for a brokerage account: Sign up for 0% commission trading with the highest-rated brokerage we've found.
Deposit money your brokerage account: Select your payment method and add your info.
Evaluate Alnylam Pharmaceuticals stock: The Alnylam Pharmaceuticals ticker symbol is ALNY. Is Alnylam Pharmaceuticals stock a good investment? Should you buy shares of ALNY? How do ALNY's underlying business fundamentals look? Do top analysts think Alnylam Pharmaceuticals is a good buy? Why has ALNY's stock price moved recently? (Hint: Our stock market research website can help you evaluate if ALNY is a good stock to buy).
Execute your ALNY purchase: Decide if you will purchase ALNY shares at the current market price or use a limit order to purchase ALNY stock at a particular price.
Keep tabs on your ALNY investment: Create a watchlist to important notifications about your investment in Alnylam Pharmaceuticals stock.
Step 1: Decide where to buy Alnylam Pharmaceuticals stock
You will need an online brokerage account in order to access the NASDAQ market and buy ALNY shares.
A brokerage account is an investment account that allows you to buy and sell a variety of financial instruments, including stocks, bonds, mutual funds, and ETFs.
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Step 2: Sign up for a brokerage account
Now that you've selected your brokerage, you'll need to fill out some personal details so you are able to buy ALNY stock today.
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Step 4: Evaluate Alnylam Pharmaceuticals stock
After you have chosen the best place to buy Alnylam Pharmaceuticals stock, it's critical to analyze their stock prior to investing, so you can understand the risk as well as the opportunity.
Overview of key ALNY info
ALNY Price
$456.04
1w %
-1.59%
1y %
71.06%
5y %
265.09%
P/E
1,471.1x
P/B
257.59x
P/S
18.67x
PEG
6.26x
Revenue
$3.21B
Earnings
$43.57M
Fore. Rev. Growth
27.95%
Fore. Earn. Growth
234.94%
Market Cap
$60.25B
Next Earnings
N/A
Next Dividend
N/A
ALNY Fundamentals
WallStreetZen was created to help everyday investors do more accurate fundamental analysis quickly.
There are more short-term assets than long-term liabilities on the ALNY balance sheet.
There are more short-term assets than short-term liabilities on the ALNY balance sheet.
ALNY profit margin has gone up from -15.9% to 1.4% in the past year.
Failed Financial Due Diligence Checks:
ALNY earnings of $130.32M is not enough to cover its interest payments.
ALNY's operating cash flow of $265.86M allows it to safely service it's debt of $3.21B.
ALNY has a relatively high debt to equity ratio of 19.74.
Total ALNY debt is higher than 5 years ago, relative to shareholder equity.
Is it a good time to buy Alnylam Pharmaceuticals stock, according to Wall Street analysts?
Out of 23 sell side analysts who track ALNY, the consensus analyst rating on Alnylam Pharmaceuticals is a Strong Buy
Please note that analyst ratings are not recommendations, nor are they financial advice.
Most Recent ALNY Analyst Upgrades/Downgrades
Patrick R. Trucchio, a top 10% analyst from HC Wainwright & Co. reiterates ALNY with a buy rating and maintains their ALNY price target from $570.00 to $570.00, on Oct 10, 2025.
Michael Ulz, a top 9% analyst from Morgan Stanley maintains ALNY with a hold rating and raises their ALNY price target from $405.00 to $475.00, on Oct 6, 2025.
Paul Matteis, a top 25% analyst from Stifel Nicolaus maintains ALNY with a strong buy rating and raises their ALNY price target from $441.00 to $495.00, on Oct 6, 2025.
Luca Issi, a top 5% analyst from RBC Capital maintains ALNY with a buy rating and raises their ALNY price target from $435.00 to $500.00, on Sep 19, 2025.
Tazeen Ahmad, a top 26% analyst from Bank of America maintains ALNY with a strong buy rating and raises their ALNY price target from $453.00 to $520.00, on Sep 17, 2025.
Last year, ALNY revenue was $3.21B. During the past five year, ALNY's revenue has increased by 51.59% per year. This was slower than the Biotechnology industry average of 68.2%.
No, Alnylam Pharmaceuticals doesn't provide an income stream by paying out dividends.
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Step 5: Execute your ALNY purchase
You have two main types of orders:
Market order: A market order is an order to buy or sell a stock at the best available price. Market orders are usually fine for most investors.
Limit order: A limit order lets you buy or sell a security at a specific price (or better). If you want to ensure you're buying or selling at a specific price, place a limit order.
Click the Open Trade button and your broker will place the order.
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How much does it cost to buy one Alnylam Pharmaceuticals share?
As of Oct 31, 2025, it costs $456.04 to buy one share of Alnylam Pharmaceuticals stock.
Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $100, you can buy 0.219 shares of ALNY.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.