Ionis Pharmaceuticals, Inc. is engaged in discovering and developing ribonucleic acid (RNA)-targeted therapeutics. The Company, using its drug discovery platform, has developed a pipeline of drugs for patients with unmet medical needs. The Company's segments include Ionis Core and Akcea Therapeutics. In the Ionis Core segment, the Company is engaged in exploiting a drug discovery platform to generate a pipeline of drugs for the Company and its partners. The Akcea Therapeutics...