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Femtosense announced it raised $21.6 Million in an initial filing from an offering of $22.3 Million

PRIVATESep 18, 2026•about 2 hours ago

Amount Raised

$21.6 Million

Round Type

Venture - Series Unknown

San BrunoInformation TechnologyArtificial IntelligenceSecurityMachine Learning

Company Information

Company

Femtosense

Location

San Bruno, California, United States

About

Founded in 2018, Femtosense brings large-scale, real-time AI to the edge through sparse mathematics and processing. Femtosense's technology distills neuromorphic principles to bring the full potential of AI to key markets including hearables, hearing aids, wearables, residential/commercial security, TVs and automotive. The company’s technology is the result of more than 50 years of cutting-edge research. Femtosense is located in California and has partners worldwide.

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Femtosense raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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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 285,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.