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TerraPower Isotopes to establish East Coast manufacturing facility in South Philadelphia

Biopharmaceutical manufacturer selects HRP Group's Bellwether District Innovation Campus for build-to-suit facility
Rendering of the Bellwether District Building B planned for TerraPower Isotopes.  (TPI Bellwether District)
Rendering of the Bellwether District Building B planned for TerraPower Isotopes. (TPI Bellwether District)
By Margaret Sutherland
March 20, 2026 | 9:49 P.M.

TerraPower Isotopes, a Washington State-based biopharmaceutical manufacturer focused on producing radioisotopes for use in cancer treatments, has preleased 250,000 square feet at 3144 W. Passyunk Ave. to establish an East Coast manufacturing facility at The Bellwether District Innovation Campus in South Philadelphia.

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News | TerraPower Isotopes to establish East Coast manufacturing facility in South Philadelphia