![]() Ionis Pharmaceuticals Ionis Pharmaceuticals (formerly known as Isis Pharmaceuticals) is a company that discovers and develops RNA-targeted therapeutics. | ![]() Sylentis Sylentis is a biotechnology company focused on the development of ophthalmic drugs and therapies based on RNAi (gene silencing) technology. | ![]() Rocket Pharmaceuticals Rocket Pharmaceuticals is a biotechnology company focused on seeking cures through molecular and gene therapy. | |
Founding Date | Founding Date 1989 | Founding Date 2006 | Founding Date 2018 |
Type | Type Public | Type Private | Type Public |
Tags | |||
Locations | Locations Tres Cantos, ES HQ Madrid, ES Mountain View, US | Locations East Windsor, US HQ New York, US | |
Employees | Employees 1,40231% increase | Employees 51 | Employees 5716% increase |
Valuation ($) | Valuation ($) 6.3 b | Valuation ($) N/A | Valuation ($) 1.6 b |
Financial | |||
Cost of goods | Cost of goods $15.9m (FY, 2025) | Cost of goods N/A | Cost of goods $1.1m (FY, 2025) |
Net income | Net income ($381.4m) (FY, 2025) | Net income N/A | Net income ($223.1m) (FY, 2025) |

Sylentis is a biotechnology company focused on the development of ophthalmic drugs and therapies based on RNAi (gene silencing) technology.
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Rocket Pharmaceuticals is a biotechnology company focused on seeking cures through molecular and gene therapy.
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