The first week of December 2025 delivered a sharp rebound in venture activity across the US, UK, Europe and India, with investors writing large checks across AI, fintech, energy, biotech, defense tech and SaaS. Driven by mega-rounds in the US and strong momentum in the UK and Europe, global funding comfortably crossed the $2 billion mark this week.
Below is the complete global breakdown.
United States: Mega-Deals Return, Led by a $1B Round
The US dominated the global funding charts thanks to Kalshi’s landmark $1 billion round, followed by big-ticket investments in defense tech, cloud data, cybersecurity and biotech.
Top US Funding Deals
Kalshi – $1B (Predictions market)
Castelion – $350M (Defense tech – hypersonic systems)
Eon – $300M (AI cloud data backup)
Curative – $150M (Health insurance)
Angle Health – $134M (AI health benefits)
7AI – $130M (AI cybersecurity)
Protego Biopharma – $130M (Biotech)
Triana Biomedicines – $120M (Biotech)
Antithesis – $105M (Simulation testing)
Axiado – $100M (AI server chips)
US takeaway: Investors are aggressively backing AI infrastructure, deeptech, next-gen defense systems and applied biology.
United Kingdom: AI, Fintech & Greentech Push Funding to £195.7M
The UK ecosystem recorded a strong £195.7 million week across 18 deals, dominated by workflow AI, cross-border fintech and energy intelligence platforms.
Key UK Funding Highlights
AI
BuiltAI – £4.5m (Real-estate underwriting automation)
Track Titan – £4m (Driver telemetry AI)
Searchable – £4m (AI search visibility analytics)
Ascentra Labs – £1.5m (Automated PE/consulting workflows)
Fintech
Sokin – £37.8m Series B (Global payments & multi-currency accounts)
Bourn – £3.5m (Receivables-backed liquidity for SMEs)
Biotech & Healthtech
BSF Enterprise – £15m (Lab-grown leather & cornea trials)
yuv – £9.5m (IoT hair-colour dispensers)
HotHouse Therapeutic – £2.9m (Plant-based vaccine adjuvants)
Greentech
Modo Energy – £25m (AI valuation for battery assets)
Mater-AI – £1.5m (Thermoelectric materials discovery)
Feasibly – £200k (AI renewable planning)
SaaS / Edtech
Shop Circle – £75.1m (Credit facility for SaaS roll-ups)
Oneday – £3.2m (AI mentor-layer for education)
UK takeaway: A clear shift toward efficient AI automation and energy-focused intelligence platforms.
Europe (Ex-UK): €180M+ Week Led by Deeptech, Biotech & Payments
European startups outside the UK continued strong funding momentum across deeptech, clean energy, medical aesthetics and cybersecurity.
Top European Funding Deals
Titan OS – €50M (Entertainment OS / Adtech)
Sokin – $50M (Cross-border payments; UK-based but part of EU roundup)
Spark Cleantech – €30M (Deeptech + Climate hardware)
Axoltis Pharma – €18M (ALS therapy – Phase 2)
Innerskin – €12.8M (Aesthetics & wellbeing)
Rail-Flow – €12.5M (Rail logistics SaaS)
Laigo Bio – €11.5M (Protein degradation platform)
ECAIR – €11M (Sustainable energy finance)
Ray Studios – €10M (Medical tattoo removal network)
Saporo – €7M (Cybersecurity)
EU takeaway: Strong backing for commercial biotech, physical-digital healthcare, and rail electrification technology.
India: Energy, EVs & Fintech Drive Momentum
India recorded another healthy week across energy transition, EV innovation, consumer investing and SME credit.
Top India Funding Deals
Apraava Energy – $92M (Green energy assets)
Ultraviolette – $45M (Performance EVs)
StockGro – $16.6M (Social investing app)
Finfactor – $15M (SME embedded finance)
Modulus Housing – $7.83M (Disaster-resilient modular homes)
Ayekar – $6.5M (AI recruitment)
Moonrider – $6M (Autonomous delivery robots)
India takeaway: Capital is flowing strongly into clean energy, EVs and tech-enabled financial tools for consumers and SMEs.
Global Summary: December Starts With a Surge
| Region | Total Approx. Funding |
|---|---|
| US | $2B+ |
| UK | £195.7M |
| Europe (ex-UK) | €180M+ |
| India | $190M+ |
What’s Driving This Week’s Wave?
Revival of mega-rounds (> $100M) in the US
Europe and UK seeing strong vertical AI and energy-tech funding
India continuing its EV + fintech momentum
Biotech bouncing back across regions
Global Funding Mood: Upbeat & Accelerating
With mega-deals returning and vertical AI gaining adoption across industries, December is shaping up to be one of the strongest funding months of 2025.