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Basics
Alnylam Pharmaceuticals, Inc.
Alnylam Pharmaceuticals Inc is a biopharmaceutical company. It is engaged in developing novel therapeutics based on RNA interference, or RNAi. RNAi is a naturally occurring biological pathway within cells for regulating the expression of specific genes.
IPO Date: May 28, 2004
Sector: Healthcare
Industry: Biotech
Market Cap: $60.52B
Activated in VL: True
Average Daily Range
Avg Daily Range: $1.73 | 2.19%
Avg Daily Range (30 D): $7.22 | 1.60%
Avg Daily Range (90 D): $6.92 | 1.57%
Institutional Daily Volume
Avg Daily Volume: .55M
Avg Daily Volume (30 D): .84M
Avg Daily Volume (90 D): .93M
Trade Size
Avg Trade Size (Sh.): 77
Avg Trade Size (Sh.) (30 D): 26
Avg Trade Size (Sh.) (90 D): 33
Institutional Trades
Total Inst.Trades: 10,616
Avg Inst. Trade: $7.19M
Avg Inst. Trade (30 D): $35.53M
Avg Inst. Trade (90 D): $32.08M
Avg Inst. Trade Volume: .05M
Avg Inst. Trades (Per Day): 3
Market Closing Trades
Avg Closing Trade: $12.82M
Avg Closing Trade (30 D): $59.32M
Avg Closing Trade (90 D): $62.8M
Avg Closing Volume: 82.17K
   
News
Dec 7, 2025 @ 7:25 AM
Is Alnylam Pharmaceuticals a Millionaire Maker?
Source: Keith Speights
Nov 28, 2025 @ 5:42 PM
What's Going On With Alnylam Stock On Friday?
Source: Vandana Singh
Nov 26, 2025 @ 10:20 AM
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Financials
  TTM Q3 2025 Q2 2025
Basic EPS $.33 $1.91 $-.51
Diluted EPS $.3 $1.84 $-.51
Revenue $ 3.21B $ 1.25B $ 773.69M
Gross Profit $ 2.7B $ 1.05B $ 631.66M
Net Income / Loss $ 43.57M $ 251.08M $ -66.28M
Operating Income / Loss $ 264.7M $ 367.98M $ -16.2M
Cost of Revenue $ 512.09M $ 197.23M $ 142.03M
Net Cash Flow $ 390.3M $ 376.94M $ 93.61M
PE Ratio 1,441.02