Alnylam Pharmaceuticals, Inc. (ALNY)

NASDAQ: ALNY · Real-Time Price · USD

302.11

-6.40 (-2.07%)

At close: Apr 28, 2026, 4:00 PM EDT

303.28

+1.17 (0.39%)

After-hours: Apr 28, 2026, 4:31 PM EDT

Alnylam Pharmaceuticals Market Cap

Alnylam Pharmaceuticals has a market cap or net worth of $40.31 billion as of April 28, 2026. Its market cap has increased by 37.61% in one year.

Market Cap

40.31B

Enterprise Value

40.39B

1-Year Change

37.61%

Ranking

#362

Market Cap Chart

Since June 1, 2004, Alnylam Pharmaceuticals's market cap has increased from $135.00M to $40.31B, an increase of 29,759.19%. That is a compound annual growth rate of 29.70%.

Market Cap History

Date	Market Cap	% Change
Apr 27, 2026	40.92B	-22.12%
Dec 31, 2025	52.54B	73.09%
Dec 31, 2024	30.35B	26.35%
Dec 29, 2023	24.02B	-17.84%
Dec 30, 2022	29.24B	44.16%
Dec 31, 2021	20.28B	34.32%
Dec 31, 2020	15.10B	17.60%
Dec 31, 2019	12.84B	74.32%
Dec 31, 2018	7.37B	-37.48%
Dec 29, 2017	11.78B	266.69%
Dec 30, 2016	3.21B	-59.72%
Dec 31, 2015	7.98B	6.90%
Dec 31, 2014	7.46B	82.96%
Dec 31, 2013	4.08B	326.36%
Dec 31, 2012	956.60M	174.73%
Dec 30, 2011	348.20M	-16.32%
Dec 31, 2010	416.10M	-43.53%
Dec 31, 2009	736.80M	-28.05%
Dec 31, 2008	1.02B	-13.48%
Dec 31, 2007	1.18B	71.64%
Dec 29, 2006	689.60M	94.42%
Dec 30, 2005	354.70M	136.47%
Dec 31, 2004	150.00M	11.11%

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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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Market Cap Rankings