Alnylam Pharmaceuticals, Inc. (ALNY)

NASDAQ

$230.62

$-2.54

(-1.09%)

After-Hours

Alnylam Pharmaceuticals, Inc. (ALNY) Live Price Chart

Last updated: ⁦2026-10-20 22:48:20⁩. Prices reflect the latest after-hours trading data. Stock price data is sourced from Massive.

Summary

Alnylam Pharmaceuticals, Inc. (ALNY) operates in the PHARMACEUTICAL PREPARATIONS sector and is listed on NASDAQ. The stock is currently priced at $230.62, with a market capitalization of $31.02B and a P/E ratio of 38.63. Over the past 52 weeks, its price has ranged from $197.81 to $495.55. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$31.02B
Open	$237.73
Day's High	$495.55
Day's Low	$3.65
Previous Close	$233.29
Volume	1.31M
Average Volume	1.73M
P/E Ratio	38.63
52-Week High	$495.55
52-Week Low	$197.81
Dividend Yield	--
Earnings Date	2001-12-30

Alnylam Pharmaceuticals, Inc. (ALNY) After-Hours Stock Price

Alnylam Pharmaceuticals, Inc. (ALNY) is trading at $230.64 in after-hours trading as of 2026-10-20 22:47:00, down 1.14% ($2.66) from the regular-session close of $233.29.

After-hours trading shows how investors are pricing ALNY after the regular session closes. The current after-hours price is below the regular-session close, indicating cautious after-hours sentiment.

Alnylam Pharmaceuticals, Inc. (ALNY) 7-Day Stock Price Change

Over the past seven days, Alnylam Pharmaceuticals, Inc. (ALNY) moved from $232.68 to $230.62, representing a decline of 0.88% ($2.06).

The stock traded between $221.56 and $238.96 during the period. The latest price is near the middle of the 7-day range, indicating moderate downward.

The average daily volume was 1.16 million shares, down versus the previous seven-day period, indicating lower trading activity.

ALNY 52-Week Price Position

Position in Range: 11.0%

52W Low$197.81

52W High$495.55

ALNY is currently trading at $230.62, placing it 11.0% of the way from its 52-week low of $197.81 to its 52-week high of $495.55. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is Alnylam Pharmaceuticals, Inc. (ALNY)?

Alnylam Pharmaceuticals is a leader in the study of RNA interference (RNAi) therapeutics. RNAi is a naturally occurring biological pathway within cells for sequence-specific silencing and regulation of gene expression. Alnylam's commercial RNAi therapeutic products include Onpattro and Amvuttra (for hATTR amyloidosis), Givlaari (for acute hepatic porphyria), and Oxlumo (for primary hyperoxaluria type 1), all developed and commercialized by Alnylam. Plus, Leqvio (for hypercholesterolemia) and Qfitlia (for hemophilia A or B), which are being commercialized by Alnylam's partners, Novartis and Sanofi, respectively. It also has several clinical programs across various therapeutic areas, including cardio-metabolic diseases, neuroscience, and hematology.

Alnylam Pharmaceuticals, Inc. Information

Industry	PHARMACEUTICAL PREPARATIONS
Employees	2500
CEO	Yvonne L. Greenstreet
Founded	2002
Exchange	NASDAQ
Company Website	https://www.alnylam.com

How to Buy Alnylam Pharmaceuticals, Inc. (ALNY) Stock on MEXC

Eligible investors can buy real shares of Alnylam Pharmaceuticals, Inc. (ALNY) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for ALNY and Place Your Order

Open the RealStocks trading page and search for ALNY. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is Alnylam Pharmaceuticals, Inc. (ALNY) stock price today?

Alnylam Pharmaceuticals, Inc. (ALNY) is currently trading at $ 230.62, down 1.14% ($2.67) from the previous close of $ 233.29. Intraday prices update in real time during regular trading hours.

2.Is ALNY stock going up or down today?

As of 2026-10-20 22:47:00, ALNY is trading at $ 230.62, down 1.14% ($2.67) from its previous close of $ 233.29. The stock has traded between $ 3.65 and $ 495.55 during today’s regular session. Past price movements do not guarantee future results.

3.What is ALNY pre-market price?

As of 2026-10-20 22:47:00, ALNY is trading at $ 236.09 in pre-market trading, up 1.20% ($2.80) from the previous close of $ 233.29. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is ALNY after-hours price?

As of 2026-10-20 22:47:00, ALNY is trading at $ 230.64 in after-hours trading, down 1.14% ($2.66) from the regular-session close of $ 233.29. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is ALNY stock trading now?

ALNY trades on the NASDAQ exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does ALNY sit relative to its 52-week high and low?

Over the past 52 weeks, ALNY has traded between a low of $ 197.81 and a high of $ 495.55. At $ 230.62, the stock is positioned 11.0% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is Alnylam Pharmaceuticals, Inc. in?

Alnylam Pharmaceuticals, Inc. (ALNY) operates in the PHARMACEUTICAL PREPARATIONS sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is Alnylam Pharmaceuticals, Inc.'s market capitalization and where is it listed?

Alnylam Pharmaceuticals, Inc. is listed on the NASDAQ exchange with a market capitalization of $ 31.02B. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is ALNY valued in terms of P/E ratio and EPS?

ALNY trades at a P/E ratio of 38.63, based on trailing-twelve-month EPS of $ 6.04. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does Alnylam Pharmaceuticals, Inc. pay a dividend?

Alnylam Pharmaceuticals, Inc. pays an indicated annual cash dividend of $ 0.00 per share, with a current dividend yield of 0.00% based on the latest share price. Dividend policies are subject to change at the board's discretion.