Document and Entity Information
Document and Entity Information | Jan. 05, 2023 |
Cover [Abstract] | |
Entity Address, State or Province | MA |
Amendment Flag | false |
Entity Central Index Key | 0001178670 |
Document Type | 8-K |
Document Period End Date | Jan. 05, 2023 |
Entity Registrant Name | Alnylam Pharmaceuticals, Inc. |
Entity Incorporation State Country Code | DE |
Entity File Number | 001-36407 |
Entity Tax Identification Number | 77-0602661 |
Entity Address, Address Line One | 675 West Kendall Street, |
Entity Address, Address Line Two | Henri A. Termeer Square |
Entity Address, City or Town | Cambridge |
Entity Address, Postal Zip Code | 02142 |
City Area Code | (617) |
Local Phone Number | 551-8200 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, $0.01 par value per share |
Trading Symbol | ALNY |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |