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ALNYNasdaqPharmaceutical PreparationsFiscal year ends December 31

ALNYLAM PHARMACEUTICALS, INC.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Jul 30, 2026
$233.29+1.46 (+0.63%)

Close on Oct 19, 2026

Market cap
$32.26B
P/E (TTM)
43.4
Dividend yield
–

About Alnylam Pharmaceuticals

Pharmaceutical Preparations, SIC 2834

Alnylam Pharmaceuticals, Inc. is a commercial-stage biopharmaceutical enterprise focused on discovering and developing novel medicines utilizing ribonucleic acid interference (RNAi) to silence disease-causing genes. The company's portfolio features commercial products such as AMVUTTRA and ONPATTRO for transthyretin-mediated amyloidosis, GIVLAARI for acute hepatic porphyria, and OXLUMO for primary hyperoxaluria type 1, alongside collaborator-marketed therapies Leqvio for hypercholesterolemia and Qfitlia for hemophilia A and B. Its therapeutic solutions are designed to treat patients suffering from rare genetic ailments as well as more prevalent cardiovascular conditions.

Operating on an international scale, the organization maintains more than 20 clinical-stage research programs across multiple medical indications. Its marketed therapies have obtained regulatory clearances and distribution reach across numerous territories, including the United States, the European Union, the United Kingdom, Japan, Brazil, and China, with partner-marketed Leqvio commercialized in 89 countries worldwide. The provided excerpt does not disclose the location of the company's corporate headquarters.

Summary of the business section of Alnylam Pharmaceuticals's latest annual report, written by StockData.

Company profile

Company

Legal name
ALNYLAM PHARMACEUTICALS, INC.
Founded
2002
Headquarters
Cambridge, MA
Address
675 West Kendall Street, Henri A. Termeer Square 02142
Phone
(617) 551-8200
Employees
2,500, Dec 31, 2025
Industry
Pharmaceutical Preparations
Fiscal year ends
December 31
Auditor
PricewaterhouseCoopers LLP, Boston, Massachusetts

Stock & identifiers

Ticker
ALNY
Exchange
Nasdaq
IPO date
May 28, 2004
Shares outstanding
134M, Jul 24, 2026
Public float
$42.63B, Jun 30, 2025
Filer category
Large accelerated filer
SEC CIK
1178670
CUSIP
02043Q107
ISIN
US02043Q1076
LEI
529900S3ZI14OWRJII50
EIN
77-0602661

Executives and directors

Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years

NamePositionShares owned
Yvonne GreenstreetChief Executive Officer, Director96,209
Melissa McLaughlinChief Human Resources Officer11,673
Tolga TangulerEVP, Chief Commercial Officer34,297
Kevin Joseph FitzgeraldCSO & EVP, Head of Research21,106
Jeffrey V. PoultonEVP, Chief Financial Officer63,194
Pushkal GargEVP Chief R&D21,124
Bryan SupranEVP, CLO and Secretary14,565
Robert W. HessleinEVP, CLO and Secretary8,002
Benjamin CravattDirector–
David E. I. PyottDirector29,994
Dennis A. AusielloDirector5,082
Peter N. KelloggDirector1,446
Margaret A. HamburgDirector1,582
Amy W. SchulmanDirector24,049
Olivier BrandicourtDirector1,446
Stuart A. ArbuckleDirector671
Charles Elliott SigalDirector3,446
Colleen F. ReitanDirector1,446
Michael W. BonneyDirector32,054
Carolyn R. BertozziDirector775
Phillip A. SharpDirector278,149

CEO pay and shareholder return

Pay versus performance table from the proxy statement

Fiscal yearCEO total payCEO pay actually paidOther executives (avg)Value of $100 investedPeer group
FY2025
Yvonne L. Greenstreet, M.D.
$14.87M$77.43M$6.58M$306$125
FY2024
Yvonne L. Greenstreet, M.D.
$11.49M$29.84M$3.03M$181$93
FY2023
Yvonne L. Greenstreet, M.D.
$8.90M$11.41M$2.92M$147$94
FY2022
Yvonne L. Greenstreet, M.D.
$4.59M$19.04M$3.58M$183$90
FY2021
Yvonne L. Greenstreet, M.D.
$10.18M$17.51M$5.92M$130$100
FY2020
Yvonne L. Greenstreet, M.D.
$7.82M$10.77M$4.24M$113$126

“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.

Employees

Headcount reported in annual reports

“As of December 31, 2025, we employed approximately 2,500 full-time employees, of whom approximately 1,945 were employed in the U.S.”

Corporate history

Events identified from SEC filings