Skip to main navigation menu Investors & Media Stock quote NASDAQ: IONS $30.33 Nov 23, 2021 4:00 PM EST Change-0.32 (-1.04%) Volume1,639,512 Today's Open$30.56 Previous Close$30.65 Today's High$30.80 Today's Low$29.66 52 Week High$64.37 52 Week Low$29.01 Stock Chart Data Provided by Refinitiv. Minimum 15 minutes delayed. ©1989 - 2021 Ionis Pharmaceuticals® is a registered trademark of Ionis Pharmaceuticals, Inc. Akcea Therapeutics® is a trademark of Ionis Pharmaceuticals, Inc. Contact Suppliers Legal Notice Privacy policy Social Media Policies