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Shares Outstanding for Alnylam Pharmaceuticals (ALNY)

As of · Reported

Metric

Latest period

138.23M

YoY change

+5.5%

5Y CAGR

+3.2%

Peak year (2025)

134.68M

Shares Outstanding history chart for Alnylam Pharmaceuticals (ALNY) from 2002 to 2025

Latest: 134.68M

Shares Outstanding growth chart for Alnylam Pharmaceuticals (ALNY) from 2002 to 2025

Latest: +5.5%

Shares Outstanding history table for Alnylam Pharmaceuticals (ALNY) from 2002 to 2025

  • 2025134.68M+5.5%
  • 2024127.65M+2.2%
  • 2023124.91M+2.6%
  • 2022121.69M+2.7%
  • 2021118.45M+3.0%
  • 2020114.99M+5.2%
  • 2019109.26M+8.6%
  • 2018100.59M+11.1%
  • 201790.55M+5.8%
  • 201685.60M+1.9%
  • 201583.99M+13.1%
  • 201474.28M+20.7%
  • 201361.55M+22.4%
  • 201250.29M+18.6%
  • 201142.41M+0.9%
  • 201042.04M+1.0%
  • 200941.63M+1.4%
  • 200841.08M+6.3%
  • 200738.66M+21.2%
  • 200631.89M+45.3%
  • 200521.95M+84.7%
  • 200411.89M+1160.9%
  • 2003942,665+184.5%
  • 2002331,341—

Shares Outstanding values are taken from Alnylam Pharmaceuticals's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Shares Outstanding at Alnylam Pharmaceuticals (ALNY)

According to Alnylam Pharmaceuticals's latest reported financial statements, the company's latest reported diluted shares outstanding is 138.23M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.

Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .

2025's annual diluted shares outstanding for Alnylam Pharmaceuticals (ALNY) came in at 134.68M – grew 5.5% year-over-year.

Alnylam Pharmaceuticals diluted shares outstanding compound annual growth for the 2020–2025 (5 years) window is +3.2%, sustaining 23 straight years of year-over-year growth.

2025 marks the peak diluted shares outstanding at 134.68M, with the historical low of 331,341 recorded in 2002.

Alnylam Pharmaceuticals Shares Outstanding by Year

Alnylam Pharmaceuticals Shares Outstanding 2025: 134.68M

Alnylam Pharmaceuticals diluted shares outstanding in 2025 was 134.68M, grew 5.5% from 2024. This figure represents the highest annual value in the available history.

Alnylam Pharmaceuticals Shares Outstanding 2024: 127.65M

2024's diluted shares outstanding for Alnylam Pharmaceuticals came in at 127.65M, edged up 2.2% from 2023.

Alnylam Pharmaceuticals Shares Outstanding 2023: 124.91M

Alnylam Pharmaceuticals posted diluted shares outstanding of 124.91M in 2023, edged up 2.6% from 2022.

Alnylam Pharmaceuticals Shares Outstanding 2022: 121.69M

In 2022, Alnylam Pharmaceuticals reported diluted shares outstanding of 121.69M, edged up 2.7% from 2021.

Alnylam Pharmaceuticals Shares Outstanding 2021: 118.45M

Alnylam Pharmaceuticals diluted shares outstanding in 2021 was 118.45M.

See more financial history for Alnylam Pharmaceuticals (ALNY).

Sector peers by Shares Outstanding

Healthcare peers of Alnylam Pharmaceuticals (ALNY), ranked by their latest diluted shares outstanding

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