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Startup Funding Roundup: May 21, 2026 - AI Drives Major Rounds

Major Series Rounds Lead the Day

Today's funding landscape was dominated by significant growth-stage rounds, with several companies securing substantial capital to fuel expansion plans.

Mercury raised $200M in Series D at a $5.2B valuation, marking a 49% increase from its previous $3.5B valuation in March 2025. The digital banking startup continues its strong growth trajectory in the competitive fintech space.

Viktor, a Warsaw and Munich-based AI coworker startup, secured $75M in Series A funding led by Accel. The company achieved an impressive $15M revenue run rate within just 10 weeks of launch, developing AI assistants that integrate with Slack and Microsoft Teams.

Primer, the London-based payments infrastructure startup, raised $100M in Series C led by Sofina to expand AI capabilities and accelerate US growth. The round included participation from Peak XV Partners and existing investors.

Pivot, based in Paris, raised $40M in an oversubscribed Series B led by Forestay Capital and Notion Capital to expand its AI-powered enterprise procurement platform. This brings the company's total funding to $70M.

Prelude, another Paris-based startup, secured $20M in Series A led by 20VC for its onboarding and trust infrastructure platform, with participation from Singular, Seedcamp, Deel, and FDJ Ventures.

Lucra raised $20M from Cathie Wood's ARK Invest for its eSports gamification loyalty platform, standing out as a non-AI focused raise in today's funding environment.

Early-Stage Innovation Across Sectors

The pre-seed and seed funding activity showed strong diversity across emerging technologies and sectors.

Neurosoft Bioelectronics raised $7.5M in seed funding for scalable brain-computer interfaces, led by an oversubscribed round focused on minimally invasive neurotechnology.

Quantum Bridge Technologies secured $8M in Series A led by Primo Capital SGR to scale quantum-safe cybersecurity infrastructure, addressing the growing need for post-quantum security solutions.

Imperagen raised $6.7M in seed funding led by PXN Ventures to advance enzyme engineering using quantum physics and AI, with participation from IQ Capital and Northern Gritstone.

Anscer Robotics, the Bengaluru-based industrial robotics startup, secured $5.4M in Series A led by IAN Alpha Fund for product development and market expansion.

Checker raised $8M in equity seed funding to expand its stablecoin-powered payment infrastructure across Africa, Asia, and Latin America.

Mythik secured $5M to bring Eastern mythology and folktales to global audiences through tech entertainment platforms.

Specialized Technology and Infrastructure

Several companies focused on specialized applications raised significant funding to address niche but critical market needs.

AVIAN, the Zurich-based industrial AI company, raised $2.6M in pre-seed funding led by Founderful for 24/7 thermal monitoring systems designed to prevent industrial fires.

QuberTech secured $4.5M in combined grant funding and equity investment to develop sustainable natural rubber from engineered dandelions.

Infrawatch raised $3M in pre-seed funding co-led by Outward VC and Triple Point Ventures for internet infrastructure intelligence and cybersecurity.

Overwatch AI secured $1.5M in pre-seed funding backed by United Airlines Ventures to streamline airline operations for pilots and crew.

Better Futures raised $665K from private angels and Enterprise Ireland for AI-driven engineering documentation automation.

Fund Formation and Market Signals

Skybound Venture Capital announced the launch of its deeptech-focused fund with a $38M first close, anchored by the European Investment Bank and targeting early-stage founders.

Piper Serica launched an $85M Bharat Tech Fund to invest in Series A and B stage startups with check sizes of $3-6M per startup.

Today's funding activity reveals a market increasingly bifurcated between AI-enabled solutions and specialized deeptech applications. The strong performance of companies like Viktor, which achieved rapid revenue growth through AI integration, suggests investors remain confident in AI's ability to drive sustainable business models. Meanwhile, the diversity of sectors represented, from quantum computing to sustainable materials, indicates capital continues to flow toward innovative solutions addressing complex global challenges.

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