Signal Catalyst Fund — Pre-Seed VC Firm ($300K–$6.0M Checks)
Signal Catalyst Fund is a Pre-Seed venture capital firm based in Chicago, IL investing in Other, Developer Tools, AI / ML. The firm typically writes $300K–$6.0M checks and has 33 portfolio companies in our records.
- Check size
- $300K–$6.0M
- Portfolio
- 33 companies on record
- Partners
- 2 listed
- Stage
- Pre-Seed
- Sectors
- Other, Developer Tools, AI / ML, Enterprise, SaaS, Climate / Energy, Healthcare, Security, Consumer
- HQ
- Chicago, IL
- AUM
- Not in our records
Last verified: 2026-08-31
Pre-Seed
$300K – $6.0M
33+ companies
2 partners
Investment Thesis
Sector-focused fund investing in wireless, RF innovations, and next-generation chip-building infrastructure.
How Signal Catalyst Fund invests
Signal Catalyst Fund is a vc firm based in Chicago, IL. The firm invests at the Pre-Seed stage, with a focus on Other, Developer Tools, AI / ML, Enterprise, SaaS. It does not invest in Consumer.
Signal Catalyst Fund typically writes checks of $300K–$6.0M per investment.
Signal Catalyst Fund has backed 33 companies in our records, including WaveNext Systems, FabScale Innovations, Groq.
Partners & Team
Industry Focus
Invests In
Does Not Invest In
Portfolio Companies (33)
Other
WaveNext Systems
FabScale Innovations
Groq
AI inference chipmaker providing high-speed processing for large language models
Perplexity AI
AI-powered search engine delivering cited answers from web sources
d-Matrix
AI chip company specializing in efficient inference for generative AI
Saildrone
Autonomous surface vehicles for ocean data collection and maritime operations
Chaos Industries
Defense tech firm building advanced aerospace and robotics systems
Conifers AI
AI platform for enterprise data processing and analytics
Agility Robotics
Developer of humanoid robots for logistics and manufacturing
Gecko Robotics
Industrial robotics for infrastructure inspection using ultrasonic sensors
- •Raising at Pre-Seed? You're squarely in their sweet spot.
- •Lead with your fit in Other, Developer Tools, AI / ML — the sectors they actively back.
- •Size your ask to their typical $300K – $6.0M check.
- •cold outreach ok
- •Address your outreach to a specific partner, such as Rebecca Gaffney, General Partner.
- •A warm introduction beats a cold email. Get matched and request an intro.
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