![]() Rein Therapeutics Rein Therapeutics (formerly known as Aileron Therapeutics) is a clinical-stage biopharmaceutical company that develops medicines targeting undruggable cancer sites using its proprietary platform of stabilized cell-permeating peptides. | ![]() Ikena Oncology Ikena Oncology (formerly Kyn Therapeutics) is a biotechnology company that discovers and develops biomarker-driven therapies for cancer treatment. | ||
Founding Date | Founding Date 2016 | Founding Date 2005 | Founding Date 2016 |
Type | Type Private | Type Public | Type Public |
Tags | |||
Locations | Locations Newcastle upon Tyne, GB HQ Stockton On Tees, GB | Locations Watertown, US HQ Boston, US | Locations Boston, US HQ |
Employees | Employees 15 | Employees 838% decrease | Employees 5052% increase |
Valuation ($) | Valuation ($) N/A | Valuation ($) 90.2 m | Valuation ($) 82.5 m |
Financial | |||
Net income | Net income N/A | Net income ($49.9m) (FY, 2025) | Net income ($45.3m) (FY, 2025) |
Funding | |||
Total funding raised | Total funding raised N/A | Total funding raised $ 112m | Total funding raised $ 49m |

Rein Therapeutics (formerly known as Aileron Therapeutics) is a clinical-stage biopharmaceutical company that develops medicines targeting undruggable cancer sites using its proprietary platform of stabilized cell-permeating peptides.
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Ikena Oncology (formerly Kyn Therapeutics) is a biotechnology company that discovers and develops biomarker-driven therapies for cancer treatment.
View company