Alnylam Pharmaceuticals Inc. Common Stock. Replay the stock market charts of ALNY day by day back to 2003. Open long and short positions without spending any money. 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.
