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Nullspace raises $2.5M in Seed funding to expand its engineering team and accelerate product development. The round was led by Fathom Fund with participation from Golden Seeds LLC.

PRIVATEAug 19, 2025•10 months ago

Amount Raised

$2.5 Million

Round Type

seed

IrvineSoftware

Investors

Golden Seeds LlcFathom Fund

Description

Nullspace, a Huntsville, AL-based deep tech company developing electromagnetic simulation software, raised $2.5M in Seed funding. The round was led by Fathom Fund, with participation from Golden Seeds LLC and other strategic angel investors. Fathom’s Paul Sheng will join the board of directors at Nullspace. The company intends to use the funds to expand the engineering team, accelerate product development, and scale go-to-market efforts.

Company Information

Company

Nullspace

Location

Irvine, California, United States

About

Nullspace is redefining electromagnetic simulation for the next generation of mission-critical engineering. We develop full-fidelity, high-speed simulation software purpose-built for RF systems and quantum computing. Built on over a decade of DoD-validated technology, our solvers deliver breakthrough performance — enabling engineers to model larger, more complex designs ever possible before — without sacrificing accuracy. Our solutions power innovation in aerospace, defense, 5G, spectrum management, and emerging quantum architectures.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals — including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications — based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 200,000+ companies. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.

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