Top Startup and Tech Funding News – December 4, 2025

YC-Backed Multifactor Raises $15M in Seed Funding to Secure Online Accounts for AI Agents

Multifactor, a San Francisco startup emerging from Y Combinator’s Fall 2025 cohort, announced a $15 million seed round on Dec. 4, 2025. The round was led by Nexus Venture Partners, with participation from Y Combinator, Taurus Ventures, Honeystone Ventures, Flex Capital, Pioneer Fund, Ritual Capital, Liquid2 Ventures, and other notable security and AI experts.

Multifactor’s platform enables users to share online accounts via secure, revocable links that never expose passwords or credentials. Its post-quantum cryptography toolkit enables both humans and AI agents to securely and auditably access accounts (banking, email, calendars, etc.) without traditional passwords. The new funding will help Multifactor scale its product, hire talent, and meet growing demand for safe agentic access to digital accounts.

Funding Details:

• Startup: Multifactor

• Investors: Nexus Venture Partners (lead), Y Combinator, Taurus Ventures, Honeystone Ventures, Flex Capital, Pioneer Fund, Ritual Capital, Liquid2 Ventures, among others

• Amount Raised: $15 million

• Total Raised: $15 million

• Funding Stage: Seed

• Funding Date: December 4, 2025

Eon Bags $300M in Series D Funding to Revolutionize Cloud Data Backup

Eon, a New York-based cloud data protection startup, secured $300 million in a Series D round announced Dec. 4, 2025. The funding, led by Gil Capital’s Elad Gil, included participation from Sequoia Capital, Lightspeed Venture Partners, Greenoaks Capital, and BOND. This financing brings Eon’s total funding to $500 million since its January 2024 founding and values the company at roughly $4 billion.

Eon’s platform modernizes enterprise backup by automatically classifying and indexing cloud data, converting static backups into accessible data lakes for AI analytics, and reducing backup costs by up to 50%. With these funds, Eon plans to accelerate R&D, hire globally, and expand U.S. operations, deepening integrations with major cloud providers to advance its AI-driven data resilience platform.

Funding Details:

• Startup: Eon

• Investors: Elad Gil (Gil Capital, lead), Sequoia Capital, Lightspeed Venture Partners, Greenoaks Capital, BOND

• Amount Raised: $300 million

• Total Raised: $500 million

• Funding Stage: Series D

• Funding Date: December 4, 2025

SciNeuro Pharmaceuticals Raises $53M in Funding for Neurodegeneration Therapies

SciNeuro Pharmaceuticals, a clinical-stage biotech specializing in treatments for neurodegenerative diseases, announced $53 million in financing on Dec. 4, 2025. The equity round was co-led by China’s LAV and U.S. venture firm ARCH Venture Partners, with new and existing investors joining.

SciNeuro is advancing a pipeline of therapies targeting Alzheimer’s, Parkinson’s, and other CNS disorders through novel mechanisms (e.g., anti-inflammatory and anti-proteinopathy approaches). The fresh capital will support the development of SciNeuro’s lead candidates (including Lp-PLA2 and beta-amyloid programs) and expand its drug discovery efforts.

Funding Details:

• Startup: SciNeuro Pharmaceuticals

• Investors: LAV (lead), ARCH Venture Partners, plus participation from new and existing investors

• Amount Raised: $53 million

• Total Raised: $53 million

• Funding Stage: Equity financing (Series A)

• Funding Date: December 4, 2025

Digital Asset Gains Strategic Investment from Major Financial Institutions

Digital Asset, a blockchain software company for regulated markets, announced a strategic investment by leading financial institutions. The round included investments from BNY Mellon, Nasdaq, iCapital Network, and S&P Global, although the dollar amount was not disclosed. This infusion follows Digital Asset’s recent $135 million raise (in June) to expand its Canton Network blockchain, which now supports over $6 trillion in institutional assets.

The new capital will help accelerate the adoption of its blockchain platform (Canton) across financial markets. Company executives say the participation of these global market players underscores confidence in Digital Asset’s vision of a privacy-enabled, interoperable infrastructure for tokenized assets.

Funding Details:

• Startup: Digital Asset

• Investors: BNY Mellon, Nasdaq, iCapital, S&P Global (strategic investors)

• Amount Raised: Not disclosed

• Total Raised: Not disclosed

• Funding Stage: Strategic investment (undisclosed round)

• Funding Date: December 4, 2025

Harvey Confirms $160M Funding at $8B Valuation for Legal AI

Harvey, a fast-growing legal AI startup, confirmed today that it raised $160 million in a new round led by Andreessen Horowitz. This latest financing, up from a $5 billion valuation in June, values Harvey at $8 billion. The back-to-back funding rounds (following a $300M Series E in June and a $300M Series D in Feb.) highlight strong investor interest.

Harvey uses large language models to help law firms with legal research and drafting; it now claims over 50 of the top 100 law firms as customers. The $160M will fuel continued product development and scaling as Harvey expands its operations and team in the competitive legal-tech market.

Funding Details:

• Startup: Harvey

• Investors: Andreessen Horowitz (lead), with existing backers including EQT Ventures, WndrCo, Sequoia Capital, Kleiner Perkins, Conviction, and angel Elad Gil

• Amount Raised: $160 million

• Total Raised: ~$760 million (including multiple rounds in 2025)

• Funding Stage: Late-stage equity round (Series F)

• Funding Date: December 4, 2025

imper.ai Launches with $28M in Funding to Combat AI-Powered Impersonation

imper.ai, a New York City startup focused on real-time deepfake and voice-clone detection, publicly launched today with a $28 million funding round to stop deepfakes in real time. The Series A was led by Redpoint Ventures and Battery Ventures, with participation from Maple VC, Vessy VC, and Cerca Partners.

imper.ai’s platform analyzes device signals and behavioral cues to stop AI-generated voice and video impersonation attacks at the point of contact. The company, founded by cybersecurity experts (including veterans of Mobileye and Israel’s Unit 8200), will use the new funds to accelerate product development and market expansion across finance, healthcare, and technology sectors.

Funding Details:

• Startup: imper.ai

• Investors: Redpoint Ventures (lead), Battery Ventures, Maple VC, Vessy VC, Cerca Partners

• Amount Raised: $28 million

• Total Raised: $28 million

• Funding Stage: Seed (Series A)

• Funding Date: December 4, 2025

Eikona Secures $5M Seed to Grow AI Marketing Platform

Eikona, an AI startup based in Tel Aviv, raised $5 million in a seed round on Dec. 4, 2025. The round was led by StageOne Ventures, with Crecendo Venture Partners, Wix Ventures, and Clarim Ventures also investing. Eikona’s platform uses custom generative AI models to automate lifecycle marketing content (emails, SMS, and push notifications) and optimize engagement via A/B testing.

The startup’s founders say the funds will be deployed to accelerate product development and expand their marketing team as Eikona scales its customer base in e-commerce and other sectors.

Funding Details:

• Startup: Eikona

• Investors: StageOne Ventures (lead), Crecendo Venture Partners, Wix Ventures, Clarim Ventures

• Amount Raised: $5 million

• Total Raised: $5 million

• Funding Stage: Seed

• Funding Date: December 4, 2025

Soxton Emerges with $2.5M Pre-Seed to Democratize Startup Legal Services

Soxton, an AI-driven legal platform for startups, emerged from stealth with a $2.5 million pre-seed round. The financing was led by Moxxie Ventures, with Strobe Capital, Coalition, and investors Caterina Fake and Flexport CEO Ryan Petersen also participating. Soxton’s full-stack platform automates routine early-stage legal tasks (incorporation, equity documentation, compliance) while offering human attorney oversight.

The company says hundreds of startups have already used its tools to slash legal fees (saving an average $45,000 in the first month). The new funding will help Soxton refine its AI tools and expand support resources to serve more founders efficiently.

Funding Details:

• Startup: Soxton

• Investors: Moxxie Ventures (lead), Strobe Capital, Coalition, Caterina Fake, Flexport CEO Ryan Petersen

• Amount Raised: $2.5 million

• Total Raised: $2.5 million

• Funding Stage: Pre-Seed

• Funding Date: December 4, 2025

Flex Raises $60M Series B to Build AI Finance Platform for Mid-Sized Firms

Flex, an AI fintech startup serving mid-sized businesses, secured $60 million in Series B funding. The round was led by Portage Ventures and valued Flex at about $500 million. Flex’s “AI-native private bank” bundles services—business credit, financing, payroll, payments, and cards—into a single platform tailored for “jumbo shrimp” firms ($2M–$100M revenue) often overlooked by traditional banks.

The new capital, which brings Flex’s total equity raised to $105 million, will be used to accelerate product development and expand the team (now ~80 employees) to reach more target customers.

Funding Details:

• Startup: Flex

• Investors: Portage Ventures (lead)

• Amount Raised: $60 million

• Total Raised: $105 million

• Funding Stage: Series B

• Funding Date: December 4, 2025

GetVocal AI Closes $26M Series A for Enterprise AI Agents

GetVocal AI, a Paris-based AI startup, closed a $26 million Series A to build enterprise AI agents. The round was led by Creandum, with participation from Elaia and Speedinvest. GetVocal’s platform builds enterprise AI agents for customer service, combining deterministic logic with LLMs to ensure automation remains accountable and auditable.

The company, founded by former specialists in AI and telecom, already counts clients such as Vodafone and Deutsche Telekom. The new funding (bringing the total raised to about $30M) will fuel product expansion and hiring to scale GetVocal’s platform across Europe.

Funding Details:

• Startup: GetVocal AI

• Investors: Creandum (lead), Elaia, Speedinvest

• Amount Raised: $26 million

• Total Raised: ~$30 million

• Funding Stage: Series A

• Funding Date: December 4, 2025

AI Proteins Raises $41.5M Series A to Advance AI-Designed Therapies

AI Proteins, a Boston-area biotech, announced a $41.5 million Series A round to advance AI-powered therapies. The financing was co-led by Mission BioCapital and Santé Ventures, with follow-on participation by Lightchain Capital, Cobro Ventures, and others.

AI Proteins uses generative AI and synthetic biology to design novel miniprotein drugs from first principles, moving beyond traditional antibody-based therapies. The company has already inked a partnership with Bristol Myers Squibb valued at up to $400M. It plans to use the new capital to advance its pipeline of AI-designed therapeutics and scale its discovery platform.

Funding Details:

• Startup: AI Proteins

• Investors: Mission BioCapital (co-lead), Santé Ventures (co-lead), Lightchain Capital, Cobro Ventures, existing investors

• Amount Raised: $41.5 million

• Total Raised: $41.5 million

• Funding Stage: Series A

• Funding Date: December 4, 2025

Bedrock Data Lands $25M Series A for AI-Native Data Security Platform

Bedrock Data, a cybersecurity startup, today announced $25 million in Series A funding. The round was led by Greylock Partners, with participation from Mangusta Capital, Mantis Venture Capital, Pier 88, and others. Bedrock’s platform provides Data Security Posture Management (DSPM) at scale by building a “metadata lake” of an organization’s data across cloud, SaaS, and AI systems.

As enterprises struggle to govern data in the era of AI, Bedrock’s tools surface sensitive data exposures and enforce least-privilege access. The new funding will accelerate product development, cloud integration,s and go-to-market as Bedrock aims to meet rapidly growing demand for data-centric security.

Funding Details:

• Startup: Bedrock Data

• Investors: Greylock Partners (lead), Mangusta Capital, Mantis Venture Capital, Pier 88 Investment Partners, others

• Amount Raised: $25 million

• Total Raised: $25 million

• Funding Stage: Series A

• Funding Date: December 4, 2025

Kingpin Nets $3.5M Seed for AI-Powered B2B Retail Platform

Kingpin, an AI-native SaaS startup based in Dubai, has raised $3.5 million in seed funding for an AI-powered B2B retail platform. The round was led by Infinity Ventures, with participation from Red Swan Ventures, Mu Ventures, COTU, and Outliers (backed by Abu Dhabi’s Hub71).

Kingpin’s platform digitizes and automates the fragmented sales and distribution workflows that connect brands, distributors, and retailers, using AI-driven targeting to accelerate retail growth. The company plans to use the investment to scale its engineering and expand into Europe and North America as it continues growing its base of hundreds of distributors and brands in the consumer sector.

Funding Details:

• Startup: Kingpin

• Investors: Infinity Ventures (lead), Red Swan Ventures, Mu Ventures, COTU, Outliers

• Amount Raised: $3.5 million

• Total Raised: $3.5 million

• Funding Stage: Seed

• Funding Date: December 4, 2025

Spark Cleantech Secures €30M Series A to Decarbonize Heavy Industry

Spark Cleantech, a Paris-based climate tech startup, has raised €30 million (approx. $32M) in a Series A to decarbonize heavy industry. The round was co-led by 360 Capital and Taranis, with the Île-de-France Reindustrialisation Fund and Asterion Ventures joining. Spark Cleantech develops a methane plasmolysis process that splits natural gas into hydrogen and solid carbon before combustion, enabling industrial facilities to reduce CO₂ emissions significantly.

The hydrogen can be used as a low-carbon fuel on-site, while the solid carbon is captured as a valuable byproduct. The funding will support the completion of Spark Cleantech’s first production module and accelerate the deployment of its carbon-free heating systems to heavy industries such as steel, chemicals, and energy.

Funding Details:

• Startup: Spark Cleantech

• Investors: 360 Capital, Taranis (co-leads), Île-de-France Reindustrialisation Fund, Asterion Ventures

• Amount Raised: €30 million

• Total Raised: €30 million

• Funding Stage: Series A

• Funding Date: December 4, 2025

Track Titan Scoops $5M Seed to Scale AI Motorsport Analytics

Track Titan, a UK-based AI platform for motorsport training, secured $5 million in seed funding. The round was co-led by Partech and Game Changers Ventures, with participation from professional athletes and angel investors (including Colton Parayko and Trevoh Chalobah). Track Titan’s system captures telemetry from racing simulators and real cars, uses AI to identify performance gaps, and automatically provides coaching feedback to drivers.

The platform has over 215,000 members and has recorded more than 100 million racing laps. Track Titan will use the new capital to improve its AI coaching tools and expand its platform, supporting both sim racers and real-world drivers as it builds its user base in motorsports.

Funding Details:

• Startup: Track Titan

• Investors: Partech (co-lead), Game Changers Ventures, with involvement from athletes (Colton Parayko, Trevoh Chalobah) and APX (early backer)

• Amount Raised: $5 million

• Total Raised: $5 million

• Funding Stage: Seed

• Funding Date: December 4, 2025