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TTM

15.0%

YoY change

+14.43pp

Trough year (2018)

-920.5%

Peak year (2007)

370.8%

FCF Margin history chart for Alnylam Pharmaceuticals (ALNY) from 2004 to 2025

Latest: 12.5%

FCF Margin change chart for Alnylam Pharmaceuticals (ALNY) from 2004 to 2025

Latest: +14.43pp

FCF Margin history table for Alnylam Pharmaceuticals (ALNY) from 2004 to 2025

  • 202512.5%+14.43pp
  • 2024-1.9%-4.19pp
  • 20232.3%+61.42pp
  • 2022-59.1%+25.93pp
  • 2021-85.0%+54.00pp
  • 2020-139.1%+51.43pp
  • 2019-190.5%+729.98pp
  • 2018-920.5%-378.83pp
  • 2017-541.6%+247.73pp
  • 2016-789.4%-297.63pp
  • 2015-491.7%-146.41pp
  • 2014-345.3%-191.27pp
  • 2013-154.1%+31.72pp
  • 2012-185.8%-79.00pp
  • 2011-106.8%-17.73pp
  • 2010-89.0%-12.35pp
  • 2009-76.7%-133.60pp
  • 200856.9%-313.90pp
  • 2007370.8%+480.78pp
  • 2006-110.0%+212.49pp
  • 2005-322.5%+345.51pp
  • 2004-668.0%

FCF Margin 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 FCF Margin at Alnylam Pharmaceuticals (ALNY)

According to Alnylam Pharmaceuticals's latest reported financial statements, the company's latest reported free cash flow margin is 15.0%. Free cash flow margin is free cash flow divided by revenue — the share of each sales dollar that converts into cash after capital expenditures. Because free cash flow cannot be inflated by non-cash accounting, FCF margin is a clean read on how efficiently a business turns revenue into deployable cash.

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

2025's annual free cash flow margin for Alnylam Pharmaceuticals (ALNY) came in at 12.53% – expanded 14.4 percentage points year-over-year.

The record annual free cash flow margin stands at 370.81%, reached in 2007; the historical low of -920.47% was recorded in 2018.

Alnylam Pharmaceuticals FCF Margin by Year

Alnylam Pharmaceuticals FCF Margin 2025: 12.5%

In 2025, Alnylam Pharmaceuticals reported free cash flow margin of 12.53%, expanded 14.4 percentage points from 2024.

Alnylam Pharmaceuticals FCF Margin 2024: -1.9%

Alnylam Pharmaceuticals free cash flow margin in 2024 was -1.89%, contracted 4.2 percentage points from 2023.

Alnylam Pharmaceuticals FCF Margin 2023: 2.3%

2023's free cash flow margin for Alnylam Pharmaceuticals came in at 2.29%, expanded 61.4 percentage points from 2022.

Alnylam Pharmaceuticals FCF Margin 2022: -59.1%

Alnylam Pharmaceuticals posted free cash flow margin of -59.12% in 2022, expanded 25.9 percentage points from 2021.

Alnylam Pharmaceuticals FCF Margin 2021: -85.0%

Alnylam Pharmaceuticals free cash flow margin in 2021 was -85.05%.

See more financial history for Alnylam Pharmaceuticals (ALNY).

Sector peers by FCF Margin

Healthcare peers of Alnylam Pharmaceuticals (ALNY), ranked by their latest free cash flow margin

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