![]() Mustang Bio Mustang Bio is a clinical-stage biopharmaceutical company that specializes in the development of cell and gene therapies. | ![]() Ionis Pharmaceuticals Ionis Pharmaceuticals (formerly known as Isis Pharmaceuticals) is a company that discovers and develops RNA-targeted therapeutics. | |
Founding Date | Founding Date 2015 | Founding Date 1989 |
Type | Type Public | Type Public |
Tags | ||
Locations | Locations Worcester, US HQ | |
Employees | Employees 693% decrease | Employees 1,40231% increase |
Valuation ($) | Valuation ($) 11.2 m | Valuation ($) 6.3 b |
Financial | ||
Net income | Net income ($1.9m) (FY, 2025) | Net income ($381.4m) (FY, 2025) |

Ionis Pharmaceuticals (formerly known as Isis Pharmaceuticals) is a company that discovers and develops RNA-targeted therapeutics.
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