Pre-Seed Funded Hardware Startups
Among the 50 hardware pre-seed rounds shown (sorted by round date descending), the largest disclosed amount is Persona AI’s $27M (2025-05-07).
Among the 50 hardware pre-seed rounds shown (sorted by round date descending), the largest disclosed amount is Persona AI’s $27M (2025-05-07). That figure materially dwarfs the next-highest disclosed amounts in the table, such as Ascento’s $4M (2023-09-12), Lux Aeterna’s $4M (2025-06-25), and two $5M+ outliers including Demox Labs at $5M (2023-06-01).
The list also shows a time concentration from 2025-04 through 2025-09, where multiple rounds land at the same $500K level (e.g., Normal Factory $500K on 2025-09-13; Versant $400K on 2025-04-15; Forge Automation $500K on 2025-03-12; Inversion Semiconductor $500K on 2025-03-12). Geographically, the strongest single-country presence is the United States, reflected by repeated hubs like San Francisco (e.g., Normal Factory; Forge Automation; Inversion Semiconductor; Patchwork; Pivot Robots; Middleware; Radical). Finally, disclosure is uneven: 18 of 50 entries are “undisclosed,” spanning dates from 2022-12-15 (NoCap Meta) through 2025-06-25 (Lux Aeterna is disclosed, but undisclosed entries appear in the late-2024 and mid-2025 window).
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Frequently asked
What’s the largest disclosed pre-seed round in this hardware list, and how far above the rest is it?
Persona AI’s $27M pre-seed on 2025-05-07 is the only disclosed round in this table that reaches the tens-of-millions. The next-largest disclosed amounts are notably lower, including Lux Aeterna at $4M (2025-06-25) and Ascento at $4M (2023-09-12), with Demox Labs at $5M (2023-06-01).
Do these hardware pre-seed rounds cluster in a specific recent date window?
Yes. There is a dense run from 2025-04-15 through 2025-09-13, including Versant ($400K on 2025-04-15), Persona AI ($27M on 2025-05-07), Lux Aeterna ($4M on 2025-06-25), and Normal Factory ($500K on 2025-09-13).
Are any locations over-represented relative to the rest of the table?
San Francisco appears repeatedly, with disclosed pre-seed rounds including Normal Factory ($500K on 2025-09-13), Patchwork ($500K on 2024-04-03), Pivot Robots ($500K on 2024-04-03), Middleware ($500K on 2023-04-05), Radical ($500K on 2023-04-05), and multiple earlier/nearby entries like Forge Automation ($500K on 2025-03-12) and Inversion Semiconductor ($500K on 2025-03-12).
How much of the list lacks disclosed funding amounts, and is that pattern spread across time?
18 out of 50 entries list “undisclosed” amounts. Those undisclosed rounds appear across the full span of dates shown, including 2022-12-15 (NoCap Meta) and 2025-03-01 to 2025-04-15 era entries like Amplium (undisclosed on 2025-03-01) and other late-2024 entries (e.g., SuperUs undisclosed on 2024-10-15, Tiami Networks undisclosed on 2024-10-07).
What amount bands recur, and where do you see tighter concentration around specific check sizes?
A clear concentration around $500K shows up multiple times across 2025 and 2024, including Normal Factory ($500K on 2025-09-13), Augsenselab ($500K on 2025-05-23), Forge Automation ($500K on 2025-03-12), Inversion Semiconductor ($500K on 2025-03-12), Bifrost Orbital ($500K on 2024-10-03), Patchwork ($500K on 2024-04-03), Pivot Robots ($500K on 2024-04-03), and others dated 2023-04-05 ($500K for Middleware, Radical, and Clad).
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