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Business/Financial

In-Space Maneuverability Startup Portal Raises Series A As It Shifts Into Production Mode

By Rachel Jewett

Thursday, April 9th, 2026

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In-Space Maneuverability Startup Portal Raises Series A As It Shifts Into Production Mode

Rendering of a Portal Starburst spacecraft (front right), and a Supernova spacecraft (back left). Photo: Portal Space Systems

Portal Space Systems has raised $50 million in a Series A round to accelerate its progress building maneuverable spacecraft as the startup grows its team and expands manufacturing capacity. The raise comes at a critical time for Portal — the company just launched an in-orbit demonstration with Momentus to gain flight heritage on avionics systems including flight computer and power system. Portal was a customer on the Vigoride 7 vehicle, which launched on SpaceX’s Transporter-16 mission last week. Portal’s focus is on building…

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