Alnylam Pharmaceuticals Inc (ALNY) — Free Cash Flow Generation Index

Latest as of December 2025: 0.86x

Alnylam Pharmaceuticals Inc (ALNY) has a Free Cash Flow Generation Index of 0.86x as of December 2025. Free cash flow of $140.26 Million represents 1% of operating cash flow ($163.56 Million). Explore ALNY capital expenditure intensity to see what proportion of operating cash flow is directed to capital expenditures.

FCF Generation Index

0.86x
Free Cash Flow / Operating CF

Free Cash Flow

$140.26 Million
USD

Operating Cash Flow

$163.56 Million
USD

Capital Expenditures

$23.29 Million
USD

Alnylam Pharmaceuticals Inc Free Cash Flow Generation Index (2007–2025)

Historical FCF Generation Index trend for Alnylam Pharmaceuticals Inc across 4 annual periods. For the full cash flow conversion analysis, see Alnylam Pharmaceuticals Inc cash conversion from operations.

Annual Free Cash Flow Generation for Alnylam Pharmaceuticals Inc (2007–2025)

Year-by-year Free Cash Flow Generation Index for Alnylam Pharmaceuticals Inc. Check how aggressively does Alnylam Pharmaceuticals Inc reinvest cash to assess the company's total reinvestment commitment from operating cash flow.

Year FCG Index Free Cash Flow (USD) Operating CF Capital Expenditures YoY Change
2025 0.89x $465.38 Million $524.08 Million $58.70 Million ▲ +120.5%
2023 0.40x $41.95 Million $104.16 Million $62.21 Million ▼ -51.8%
2008 0.84x $54.73 Million $65.49 Million $10.76 Million ▼ -13.0%
2007 0.96x $188.73 Million $196.52 Million $7.79 Million
FCG Index = Free Cash Flow / Operating Cash Flow. FCF = Operating CF + Capital Expenditures (capex stored negative).