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Flux raises $37 million in a Series B funding round led by 8VC, aimed at developing innovative electronics design software. The round included participation from Bain Capital Ventures, Liquid 2 Ventures, and Outsiders Fund.

PRIVATEFeb 27, 2026•4 months ago

Amount Raised

$37 Million

Round Type

series b

TokyoHardwareConsumer Electronics

Investors

Outsiders FundLiquid 2 VenturesBain Capital Ventures8VC

Description

Flux has successfully raised $37 million in a Series B funding round, led by 8VC. This funding will help the startup enhance its electronics design software after reaching over one million sign-ups. The round also saw investments from Bain Capital Ventures, Liquid 2 Ventures, and Outsiders Fund. The funds will be used for further development and scaling of their services.

Company Information

Company

Flux

Location

Tokyo, Tokyo, Japan

About

FLUX's mission is to make technology easy and maximize economic value. We provide services that bring the costs and burdens associated with technology to as close to zero as possible. Specifically, solutions for publishers such as "FLUX AutoStream", a service that maximizes online sales, We provide multiple services such as automatic optimization solutions for programmatic advertising using AI.

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Predictive Intelligence
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ML-powered predictions for Flux's next move

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Funding Insights

Based on industry data
VC-backed spending patterns
VC-backed companies spend 89% more on sales and 100% more on marketing than bootstrapped peers
Tech investment trends
83% of B2B companies plan digital investments, with 79% prioritizing customer experience tech

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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