Rain Therapeutics Rain Therapeutics is a biotechnology company focused on developing small molecule targeted therapeutics for cancer patients. | ![]() Five Prime Therapeutics Five Prime Therapeutics is a biotechnology company focused on developing immuno-oncology and targeted cancer therapies. | ![]() ImmunoGen ImmunoGen is a biotechnology company focused on the development of antibody-drug conjugates (ADCs) to improve outcomes for cancer patients. | ![]() Aptevo Therapeutics Aptevo Therapeutics is a biotech company primarily focused on bringing novel oncology and hematology therapeutics to market. | |
Founding Date | Founding Date 2017 | Founding Date 2001 | Founding Date 1981 | Founding Date 2016 |
Type | Type Public | Type Subsidiary | Type Public | Type Public |
Tags | ||||
Locations | Locations Newark, US HQ | Locations South San Francisco, US HQ | Locations Waltham, US HQ | Locations Seattle, US HQ |
Employees | Employees 6343% increase | Employees 5141% decrease | Employees 277161% increase | Employees 1182% decrease |
Valuation ($) | Valuation ($) 44 m | Valuation ($) N/A | Valuation ($) 8.7 b | Valuation ($) 4.1 m |
Financial | ||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) $13.2m (FY, 2020) | Revenue (est.) $108.8m (FY, 2022) | Revenue (est.) N/A |
Net income | Net income ($75.7m) (FY, 2022) | Net income ($84.3m) (FY, 2020) | Net income ($222.9m) (FY, 2022) | Net income ($26m) (FY, 2025) |
Funding | ||||
Total funding raised | Total funding raised $ 82.4m | Total funding raised $ 237.2m | Total funding raised $ 56m | Total funding raised N/A |

Five Prime Therapeutics is a biotechnology company focused on developing immuno-oncology and targeted cancer therapies.
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ImmunoGen is a biotechnology company focused on the development of antibody-drug conjugates (ADCs) to improve outcomes for cancer patients.
View company
Aptevo Therapeutics is a biotech company primarily focused on bringing novel oncology and hematology therapeutics to market.
View company