Number of shares outstanding for Alnylam Pharmaceuticals (ALNY)

Number of shares outstanding as of October 2026 : 133,606,000

According to Alnylam Pharmaceuticals 's latest financial reports and stock price the company's current number of shares outstanding is 133,606,000. At the end of 2026 the company had 133,606,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Alnylam Pharmaceuticals from 2003 to 2026

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2026	0.13 B	1.04%
2025	0.13 B	2.83%
2024	0.12 B	2.37%
2023	0.12 B	1.9%
2022	0.12 B	2.92%
2021	0.11 B	3.01%
2020	0.11 B	4.05%
2019	0.11 B	10.57%
2018	0.10 B	5.12%
2017	96.13 M	11.99%
2016	85.84 M	1.15%
2015	84.87 M	10.28%
2014	76.95 M	22.33%
2013	62.9 M	21.4%
2012	51.82 M	21.49%
2011	42.65 M	1.26%
2010	42.12 M	1%
2009	41.7 M	1.24%
2008	41.19 M	5.57%
2007	39.02 M	21.49%
2006	32.12 M	53.59%
2005	20.91 M	7.21%
2004	19.5 M	2209.85%
2003	0.84 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Novartis NVS	1,905,000,000	1,325.83%	🇨🇭 Switzerland
Sanofi SNY	2,393,200,000	1,691.24%	🇫🇷 France
Regeneron Pharmaceuticals REGN	102,800,000	-23.06%	🇺🇸 USA
Sarepta Therapeutics SRPT	105,431,000	-21.09%	🇺🇸 USA
Regulus Therapeutics RGLS	66,174,550	-50.47%	🇺🇸 USA
OPKO Health OPK	755,267,276	465.29%	🇺🇸 USA
Teva Pharmaceutical Industries TEVA	1,165,000,000	771.97%	🇮🇱 Israel
Arrowhead Pharmaceuticals ARWR	143,378,000	7.31%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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