Top Startup and Tech Funding News – October 8, 2025

It’s Wednesday, October 8, 2025, and we’re back with the top startup and tech funding news spanning the U.S. and around the world. From billion-dollar energy bets and reusable rockets to AI-powered legal tech and blockchain infrastructure, capital poured into every stage and sector today.

Today’s coverage highlights a wave of mega-rounds at the growth stage alongside vibrant early-stage activity in crypto, legal tech, and defense. Base Power grabbed headlines with a colossal $1 billion Series C to scale its home battery network, while Stoke Space secured $510 million to accelerate its reusable rocket program. Developer platform Supabase continued its meteoric rise with a $100 million Series E at a $5 billion valuation, and biotech startup Arthrosi Therapeutics raised $153 million to advance its next-gen gout drug through late-stage trials.

AI and fintech remained hotbeds of activity: EvenUp landed $150 million to transform personal injury law, Coinflow raised $25 million to expand stablecoin payments infrastructure, and Juicebox closed $36 million to bring its PeopleGPT recruiting engine to more companies. On the seed and pre-seed front, startups like TransCrypts, Burnt, and Offset Labs attracted investor attention with blockchain records, food supply chain automation, and defense AI innovation.

Funding Highlights

• Base Power secured $1 billion Series C to expand its residential battery leasing network.

• Stoke Space raised $510 million in Series D funding to accelerate the development of its fully reusable Nova rocket.

• Supabase landed $100 million Series E at a $5 billion valuation, just months after its last round.

• Arthrosi Therapeutics closed $153 million Series E to push its lead gout treatment through Phase 3 trials.

• EvenUp raised $150 million in Series funding to scale its AI-driven legal claims platform.

• Early-stage momentum stayed strong with Coinflow ($25M Series A), Juicebox ($36M Series A), TransCrypts ($15M Seed), Lexroom.ai (€16M Series A), and Burnt ($3.8M Seed).

Investor Activity

The day’s rounds drew participation from major venture firms and strategic investors, including Addition, Bessemer Venture Partners, Accel, Pantera Capital, Sequoia Capital, and Peak XV, alongside corporates like Toyota Ventures and Coinbase Ventures. Angels and operators also played a role, with figures like Mark Cuban and Tomer London backing early blockchain infrastructure.

Together, these financings reflect a dual narrative: mega-rounds fueling capital-intensive energy, aerospace, and AI infrastructure, alongside a steady drumbeat of early-stage innovation in fintech, legal tech, blockchain, and defense.

Here’s the full breakdown. Until tomorrow, stay sharp and keep building.

Stoke Space Raises $510M in Series D Funding to Accelerate Reusable Rocket Development

Stoke Space, a Kent, Washington-based space startup, raised a massive $510 million in Series D funding to speed up development of its fully reusable Nova launch vehicle. The round was led by Thomas Tull’s US Innovative Technology Fund and drew participation from Washington Harbour Partners and General Innovation Capital, alongside existing backers such as 776, Breakthrough Energy Ventures (Bill Gates’s fund), Glade Brook Capital, and Toyota Ventures.

This injection of capital more than doubles Stoke Space’s total funding to about $990 million, giving the company runway to complete Nova’s development and conduct its first orbital test flights next year. Stoke Space aims to enable frequent, low-cost medium-lift launches with Nova’s pioneering second-stage reusability, positioning it as a key player in meeting growing demand for defense and commercial launch capacity.

Funding Details:

• Startup: Stoke Space Technologies (Kent, WA)

• Investors: US Innovative Technology Fund (lead), Washington Harbour Partners, General Innovation Capital, 776, Breakthrough Energy Ventures, Glade Brook Capital, Toyota Ventures, among others

• Amount Raised: $510 million

• Total Raised: ~$990 million

• Funding Stage: Series D

• Funding Date: October 8, 2025

Base Power Secures $1B in Series C Funding to Supercharge Home Battery Network

Base Power, a Texas-based energy startup led by Zach Dell (son of Dell Technologies’ founder Michael Dell), secured a colossal $1 billion in Series C financing to expand its residential battery leasing business. The fresh round, which reportedly values Base Power at over $3 billion pre-money, was led by Addition and joined by a roster of top-tier investors including Valor Equity Partners, Lightspeed Venture Partners, Andreessen Horowitz, Ribbit Capital, CapitalG, Thrive Capital, and 1789 Capital (the venture firm backed by Donald Trump Jr.), among others.

Launched in 2023, Base Power offers home battery systems that provide backup power to homeowners and feed energy to the grid during peak demand, addressing surging electricity needs as AI data centers strain local utilities. This massive funding (following a $200M Series B just months ago) brings Base Power’s total raised to roughly $1.3 billion and will fuel the build-out of its battery production facility in Austin and the rapid deployment of its grid-stabilizing home energy storage network.

Funding Details:

• Startup: Base Power Inc. (Austin, TX)

• Investors: Addition (lead), Valor Equity Partners, Lightspeed, Andreessen Horowitz, Ribbit Capital, CapitalG, Thrive Capital, 1789 Capital, and other new and existing investors

• Amount Raised: $1 billion

• Total Raised: ~$1.3 billion

• Funding Stage: Series C

• Funding Date: October 8, 2025

Arthrosi Therapeutics Snags $153M in Series E Funding for Next-Gen Gout Drug

Arthrosi Therapeutics, a San Diego-based biotech developing treatments for gout, has raised $153 million in a Series E round to advance its lead drug candidate through late-stage trials. The financing was led by Prime Eight Capital and included participation from CR Biotech, HighLight Capital, HM Venture Partners, ReliantTech, and other existing investors.

Arthrosi is working on a highly selective URAT1 inhibitor, pozdeutinurad (AR882), which aims to improve upon current gout therapies by more effectively reducing uric acid levels and dissolving painful crystal deposits. The company will use the new funds to complete two pivotal Phase 3 studies of AR882 in gout patients (including those with severe tophaceous gout), bringing its total funding to an estimated $360 million and bolstering its effort to deliver a first-in-class, disease-modifying gout treatment.

Funding Details:

• Startup: Arthrosi Therapeutics (San Diego, CA)

• Investors: Prime Eight Capital (lead), CR Biotech, HighLight Capital, HM Venture Partners, ReliantTech Limited, with participation from existing shareholders

• Amount Raised: $153 million

• Total Raised: ~$360 million

• Funding Stage: Series E

• Funding Date: October 8, 2025

EvenUp Lands $150M in Series E Funding to Revolutionize Personal Injury Law with AI

EvenUp, a San Francisco-based legal tech startup, has raised a massive $150 million in Series E funding to scale its AI-driven platform for personal injury law. The round was led by Bessemer Venture Partners and catapulted EvenUp’s valuation above $2 billion, with participation from REV (RELX’s venture arm), B Capital, SignalFire, Adams Street Partners, Bain Capital, HarbourVest, Lightspeed Venture Partners, and Broadlight Capital.

The funding brings EvenUp’s total capital raised to approximately $385 million and will support further expansion of its Claims Intelligence Platform, which uses a proprietary AI model trained on hundreds of thousands of injury cases and medical records. EvenUp’s technology automates much of the legal work in personal injury claims – drafting demand letters, evaluating case value, and surfacing strategic insights – enabling law firms to settle cases faster and close the “justice gap” for injury victims.

The new financing will help EvenUp grow its team and enhance its product suite as it continues to transform how injury cases are handled across the U.S. and Canada.

Funding Details:

• Startup: EvenUp (San Francisco, CA)

• Investors: Bessemer Venture Partners (lead), REV (RELX Ventures), B Capital, SignalFire, Adams Street, Bain Capital, HarbourVest, Lightspeed, Broadlight Capital

• Amount Raised: $150 million

• Total Raised: $385 million

• Funding Stage: Series E

• Funding Date: October 8, 2025

Supabase Bags $100M in Series E Funding at $5B Valuation to Expand Open-Source Platform

Supabase, the open-source database platform for developers, has secured $100 million in Series E funding at a valuation of approximately $5 billion, just four months after its previous round. The raise was co-led by Accel and Peak XV (formerly Sequoia India), with participation from Figma Ventures and other returning backers, bringing Supabase’s total funding to over $500 million. The San Francisco-based company provides a popular backend-as-a-service built on PostgreSQL and has grown a community of over 4 million developers, increasingly positioning itself as the go-to backend for AI-powered applications.

With the new funds, Supabase plans to accelerate development of its enterprise “Multigres” platform (an advanced, scalable version of its service) and even invite its developer community to co-invest, reflecting the startup’s deep commitment to open source. Supabase’s continued rise – now with major enterprise users and a swelling global developer base – underscores strong investor confidence in its vision to simplify and supercharge app development in the AI era.

Funding Details:

• Startup: Supabase (San Francisco, CA)

• Investors: Accel (co-lead), Peak XV (co-lead), Figma Ventures, and other existing investors

• Amount Raised: $100 million

• Total Raised: $500+ million

• Funding Stage: Series E

• Funding Date: October 8, 2025

Coinflow Raises $25M in Series A Funding to Scale Stablecoin Payments Network

Coinflow, a Chicago-based fintech startup specializing in stablecoin payments, has raised $25 million in a Series A round aimed at expanding its global payout network. The investment was led by crypto-focused firm Pantera Capital and joined by Coinbase Ventures, CMT Digital, Jump Capital, and The FinTech Fund. Coinflow’s platform enables businesses to send, receive, and settle payments worldwide using stablecoins (such as USDC) with instant settlement and lower fees, positioning itself as an alternative to traditional cross-border payment systems.

The company reports explosive growth – a 23x increase in revenue since 2024 – and now supports transactions in over 170 countries, processing billions in volume. With this new funding (bringing its total raised to roughly $29 million), Coinflow plans to broaden its payout coverage across Asia and Latin America, hire aggressively in the U.S. and Europe, and enhance its fraud prevention and compliance tools as it seeks to modernize the global payments infrastructure.

Funding Details:

• Startup: Coinflow (Chicago, IL)

• Investors: Pantera Capital (lead), Coinbase Ventures, CMT Digital, Jump Capital, The FinTech Fund

• Amount Raised: $25 million

• Total Raised: ~$29 million

• Funding Stage: Series A

• Funding Date: October 8, 2025

TransCrypts Closes in $15M Seed Funding for Blockchain Records Platform

TransCrypts, a blockchain-based record-keeping startup dual-headquartered in San Francisco and Toronto, closed a $15 million USD seed funding round (approximately $20.9 million CAD) to expand its digital records platform. The all-equity seed round was led by Pantera Capital, with participation from Lightspeed Faction, Alpha Edison, Motley Fool Ventures, the California Innovation Fund, and angel investor Tomer London (co-founder of Gusto). Notably, many early backers from TransCrypts’ 2023 pre-seed – including Mark Cuban, Techstars, Alumni Ventures, Protocol Labs, and others – returned to invest again.

Founded in 2020 out of a University of Toronto incubator, TransCrypts provides an API-driven platform that allows users and organizations to encrypt and store sensitive documents (such as employment, income, and educational records) on a blockchain, giving individuals full control over sharing and verification of their information. The startup (valued at over $80 million CAD in this round) will use the new capital to grow its team and formally expand into managing healthcare and education records in North America, leveraging blockchain to ensure data security and integrity across multiple countries.

Funding Details:

• Startup: TransCrypts (San Francisco, CA & Toronto, Canada)

• Investors: Pantera Capital (lead), Lightspeed Faction, Alpha Edison, Motley Fool Ventures, California Innovation Fund, Tomer London; with returning backers Mark Cuban, Techstars, Alumni Ventures, Protocol Labs, etc.

• Amount Raised: $15 million USD (C$20.9 million)

• Total Raised: ~$18 million

• Funding Stage: Seed

• Funding Date: October 8, 2025

Lexroom.ai Closes €16M in Series A Funding to Advance AI Legal Tech in Europe

Lexroom.ai, a Milan-based startup building AI solutions for legal workflows, has closed a €16 million (~$17 million USD) Series A funding round to accelerate its expansion across Europe. The round was led by Silicon Valley venture firm Base10 Partners, with participation from Spanish fund Acurio Ventures and continued support from existing investors Entourage, Verve Ventures, and prominent angels, including former Amazon executive Diego Piacentini (through his fund View Different) and King co-founder Riccardo Zacconi. This investment brings Lexroom’s total funding to about $22 million and marks a major milestone for one of Europe’s fastest-growing legal tech startups.

Founded in 2023, Lexroom.ai uses generative AI models trained on localized European legal data to help law firms and in-house legal teams research case law, draft complex documents, and navigate multi-jurisdictional matters more efficiently. The fresh capital will be used to refine the platform and scale operations into new markets, as Lexroom positions itself at the forefront of AI-driven modernization in the legal sector.

Funding Details:

• Startup: Lexroom.ai (Milan, Italy)

• Investors: Base10 Partners (lead), Acurio Ventures, Entourage, Verve Ventures, Diego Piacentini’s View Different, Riccardo Zacconi, and other strategic investors

• Amount Raised: €16 million (≈ $17 million)

• Total Raised: ~$22 million

• Funding Stage: Series A

• Funding Date: October 8, 2025

HyperSpectral Raises in $7M in Series A-2 Funding Round for AI-Powered Spectral Analytics

HyperSpectral, an Alexandria, VA-based startup specializing in spectral analysis software, has raised $7 million in an oversubscribed Series A-2 round to accelerate its growth. The funding was co-led by RRE Ventures and Kibo Ventures, and included investment from Avalanche Thinking – the venture firm of Dr. Chuck Mattera, former CEO of Coherent, who will now join HyperSpectral’s board as Chairman. HyperSpectral has developed a hardware-agnostic “SpecAI” platform that combines advanced spectroscopy techniques with artificial intelligence to enable rapid, non-invasive detection of substances (like pathogens or chemical compounds) in industries ranging from biotechnology to industrial manufacturing and defense.

The new capital will be used to expand product development, forge industry partnerships, and position the company for a larger Series B next year. With Mattera’s guidance and this influx of funds, HyperSpectral aims to scale its technology’s deployment in use cases such as real-time pathogen detection in bioreactors, on-site industrial quality control, and even national security applications – essentially taking processes that once required days in a lab and making them possible in minutes on the factory floor or in the field.

Funding Details:

• Startup: HyperSpectral (Alexandria, VA)

• Investors: RRE Ventures (co-lead), Kibo Ventures (co-lead), Avalanche Thinking (Chuck Mattera), and other participating investors

• Amount Raised: $7 million

• Total Raised: Not disclosed (Series A-2 adds to prior Series A)

• Funding Stage: Series A-2

• Funding Date: October 8, 2025

Juicebox Locks In $36M in Funding to Transform AI Recruiting with “PeopleGPT”

Juicebox, a San Francisco-based AI recruiting startup, announced it has raised $36 million in total funding to redefine how companies find talent using artificial intelligence. This includes a $30 million Series A round led by Sequoia Capital, which comes after earlier seed financing – together bringing Juicebox’s funding to $36M and highlighting strong investor enthusiasm. Founded by David Paffenholz and Ishan Gupta (graduates of Y Combinator in 2022), Juicebox has developed PeopleGPT, an AI-driven search engine that analyzes natural-language information from across the web – professional profiles, personal websites, public data – to identify qualified job candidates beyond the limits of traditional keyword matching.

The platform quickly gained traction, now serving over 2,500 companies (including startups like Cognition, Ramp, and Perplexity) and surpassing $10 million in annual recurring revenue, all with a lean team of just a dozen employees and no dedicated sales staff. The new funding will support continued product development and growth as Juicebox positions itself as a next-generation recruiting tool, automating candidate sourcing, outreach, and interview scheduling so that hiring managers can fill roles faster in a competitive talent market.

Funding Details:

• Startup: Juicebox (San Francisco, CA)

• Investors: Sequoia Capital (lead Series A); additional participation from seed-stage backers and angel investors (not disclosed)

• Amount Raised: $36 million (including $30M Series A)

• Total Raised: $36 million

• Funding Stage: Series A

• Funding Date: October 8, 2025

Burnt Secures $3.8M in Seed Funding to Automate Food Supply Chain Operations

Burnt, an AI startup focused on modernizing the food supply chain, has secured $3.8 million in seed funding to build out its “supply chain superintelligence” platform. The round was led by Penny Jar Capital (the venture firm of NBA star Stephen Curry), with participation from Scribble Ventures, Formation Venture Capital, and a cadre of prominent angel investors, including tech veteran Dan Scheinman and multiple food industry leaders. Burnt, founded by fourth-generation and third-generation food industry entrepreneurs, is developing an AI-powered operating system that automates the tedious, time-consuming workflows in food distribution and procurement.

Its agent-based platform integrates with old-school ERP systems and can capture and process orders from sources like emails, voicemails, and spreadsheets in seconds instead of hours. Already, Burnt’s software is handling over $10 million in orders per month for early customers (such as specialty pasta distributor La Tua Pasta), demonstrating its potential to save an entire workday’s worth of manual data entry for supply chain teams. With the new seed capital, the company will expand its engineering team and develop additional AI agents for procurement, finance, and compliance tasks, aiming to bring cutting-edge automation to a $9 trillion global food industry still running on legacy systems.

Funding Details:

• Startup: Burnt (New York, NY)

• Investors: Penny Jar Capital (lead), Scribble Ventures, Formation VC, and angel investors, including Dan Scheinman and industry veterans

• Amount Raised: $3.8 million

• Total Raised: $3.8 million (seed)

• Funding Stage: Seed

• Funding Date: October 8, 2025

Offset Labs Gets €600K in Pre-Seed Funding to Boost AI Defense Innovations

Offset Labs, a UK-Ukrainian artificial intelligence startup focused on defense and national security, has raised €600,000 (approximately $804,000) in pre-seed funding to build out its research platform for “mission-relevant” AI. The round was led by Archangel Ventures and included participation from Amadeus Capital Partners and Seven Capital. Based in London and Kyiv, Offset Labs (which rebranded from its former name Byne earlier this year) is on a mission to develop frontier AI models specifically tailored to military and intelligence use cases for NATO-aligned nations.

The startup is creating a unified AI lab that brings together top talent, specialized data, and computing resources under one roof – an approach the founders say is needed to achieve a breakthrough “offset” advantage (akin to a transformative leap in capability) in the defense sector. With this initial funding – bringing total capital to just over $1.1 million – Offset Labs will accelerate development of its secure AI systems for signal and voice processing and other defense applications, aiming to help Western defense organizations gain a cutting-edge AI edge similar to a “ChatGPT moment” for national security.

Funding Details:

• Startup: Offset Labs (London, UK & Kyiv, Ukraine)

• Investors: Archangel Ventures (lead), Amadeus Capital Partners, Seven Capital

• Amount Raised: €600,000 (≈ $804,000)

• Total Raised: ~$1.1 million

• Funding Stage: Pre-Seed

• Funding Date: October 8, 2025

Splash Sports Scores $14.5M in Series B Funding to Expand Skill-Based Sports Gaming

Splash Sports, a Denver-based startup offering skill-based sports gaming contests, has raised $14.5 million in Series B funding to fuel growth across North America. The round was led by Dream Ventures, with participation from EP Golf Ventures (a collaboration between the PGA Tour and Edelman), Boston Seed Capital, Velvet Sea Ventures, Green Wave Ventures, and Evolution Partners.

Splash Sports operates a platform where sports fans can create and join real-money pick’em contests and pools – from NFL and college football to NBA games – effectively combining aspects of daily fantasy and traditional sports betting in a social, user-driven format. Distinct from typical sportsbooks, Splash empowers fans to run their own contests and communities, and it currently facilitates cash competitions in 44 U.S. states, Washington D.C., and Canada.

The company (which was formed by merging RunYourPool and OfficeFootballPool) will use the Series B funds to expand its product offerings, scale up marketing and partnerships, and deepen its presence in key markets as it aims to become a leader in the booming sports gaming and fantasy sports space.

Funding Details:

• Startup: Splash Sports (Denver, CO)

• Investors: Dream Ventures (lead), EP Golf Ventures, Boston Seed Capital, Velvet Sea Ventures, Green Wave Ventures, Evolution Partners

• Amount Raised: $14.5 million

• Total Raised: Not disclosed (prior funding included Series A)

• Funding Stage: Series B

• Funding Date: October 8, 2025

Tech Funding Summary Table