XBI - Ionis Pharma: Too Many Programs Have Failed To Produce Confidence June, 15 2022 03:24 PM SPDR Series Trust S&P Biotech In the last 12 months, I count four Ionis programs that failed. This series of failures does not generate confidence. So, despite some catalysts up ahead, I will stay away. For further details see: Ionis Pharma: Too Many Programs Have Failed To Produce Confidence