Investment today underscored that “big bets” in AI, energy infrastructure and next‑gen security are dominating capital flows. A $1 billion Series B for Valar Atomics and a $1 billion Series D for Base Power – both tied to powering AI workloads – bookended the day’s biggest rounds. These megadeals, along with large raises in AI-enabled logistics (HappyRobot), cybersecurity (Zenity) and biotech AI (QuantHealth), highlight a shift: venture funding is concentrating in ventures bridging digital intelligence and the physical world. Energy and infrastructure startups captured major inflows (nuclear reactors for data centers, long‑duration batteries and grid AI inspection), reflecting investor concern about the energy demands of AI and resilient supply chains.

These patterns suggest a market signaling that AI proliferation needs robust underpinning in power, manufacturing and security. For example, Valar Atomics explicitly tied its new capital to “energy demands of artificial intelligence, industry and national security”, while Ore Energy and Base Power closed rounds for novel grid-scale batteries. At the same time, funding for AI service startups (like HappyRobot’s AI workforce and Convex’s agentic developer platform) and for securing AI (Zenity’s agent-security suite) shows that investors are betting on software layers to manage AI complexity. Venture totals remain near record highs – Crunchbase reports ~$65 billion in global funding in July, double last year’s figure – but capital is flowing unevenly, favoring incumbents and infrastructure plays.

The Macro Environment: AI-Powered Infrastructure Boom

Overall venture volumes are surging, but the flow is highly concentrated in specific themes. Venture funding in H1 2026 hit unprecedented levels (hundreds of billions globally), driven by a handful of very large rounds. Much of that money has gone into enabling the AI economy: advanced chips and cloud (OpenAI/Anthropic rounds), yes, but also the physical infrastructure those systems require. Today’s top deals span clean energy, heavy industry and defense‐adjacent tech, suggesting a reorientation of VC dollars. Energy startups feel the squeeze: even after decades of slow funding, modular nuclear and long-duration battery ventures now see backers, as underlined by Valar Atomics’ $1B nuclear Series B aimed at AI and defense needs and Base Power’s $1B home-battery Series D. This reflects two macro forces – climate/energy transition and an AI-driven energy arms race – converging.

Investor psychology is sharpening too. Backers appear willing to write very large checks into capital-intensive hardware and deep tech, provided there’s an AI or national security angle. Capital concentration remains extreme: venture gurus note that early-stage counts are not growing as fast, even as mega-rounds proliferate. Founders in sectors like enterprise AI and autonomous systems face intense competition for top investors (as seen with Zenity and HappyRobot), but also richer opportunities if their solution enables other AI winners. At the same time, public markets are thawing, improving exit prospects and easing LP pressure; this likely emboldens funds to double down on frontier areas. In sum, we’re in a high-stakes environment where a few “infrastructure and AI” winners will capture a disproportionate share of capital.

Top Funding Rounds:

Valar Atomics raises $1.0B in funding to build modular nuclear reactors for AI data centers

Valar Atomics, a hardware-first nuclear startup spun out of Los Alamos research, secured a $1 billion Series B led by Sequoia Capital. The round (at an implied $6B valuation) included new investors like Apandion, Riot Ventures, Atreides, Valor Equity and corporate backers, plus a parallel $200M credit facility for growth. Valar is developing standardized small nuclear reactors (“Ward 250”) specifically to power energy-intensive AI and industry use cases. Its founders point out that traditional nuclear is too slow and costly, so they are vertically integrating design, construction, and fuel to scale reactors like assembly-line products. Key to Valar’s pitch is the recent demonstration of a reactor powering an NVIDIA AI supercomputer and plans for a waterless 30 MW AI power “factory”. This Series B will fund commercial-scale production of reactors to meet surging AI/data-center power demand. Notably, national-security themes resonated with investors: the company highlights U.S. DOE partnerships and frames the round around AI and defense needs. The scale and speed here mark a notable shift – a nuclear startup on startup speed.

Funding Details Startup: Valar Atomics Investors: Sequoia Capital (lead), Apandion Capital, Conviction, Dream Ventures, HOF Capital, Point72, Riot Ventures, Snowpoint, Valor Equity Partners, others (plus $200M credit from JPMorgan-led syndicate) Amount Raised: $1,000,000,000 Total Raised: $1.2B (including credit facility) Funding Stage: Series B Funding Date: August 4, 2026 Headquarters: Los Alamos, NM (USA) Sector: Advanced Nuclear Energy

Base Power raises $1.0B in funding to accelerate home battery production

Austin-based Base Power announced a $1 billion Series D at a $13 billion post-money valuation. The round was led by a consortium including Ribbit Capital, Addition, Valor Equity and JPMorgan’s Strategic Investment Group (which is investing via its Security & Resiliency arm), with participation from Altimeter, D1 Capital, Sands Capital, Coatue, Layer Global and Energy Impact Partners. Base builds residential backup batteries (“Base Core”) designed for quick installation and all-weather resilience. Its CEO emphasizes that Core offers 39–78 kWh capacity and can seamlessly cover outages while aiding grid stability. Base already has over 500 MWh of deployed capacity in North America and utility partnerships (Austin Energy, El Paso Electric, etc.).

The new funding (bringing total Base has raised over $2.5B) will scale manufacturing to meet growing U.S. demand for home energy storage. The big raise reflects Base’s position in the national push for distributed storage – after a $1B Series C in late 2025, the company now looks to become the “Tesla of home batteries.” The round’s investors underscore strong confidence in battery-backed backup power as extreme weather and AI data-center loads increase grid stress.

Funding Details Startup: Base Power Investors: Ribbit Capital, Addition, Valor Equity Partners, JPMorgan Chase Strategic Investment Group (lead syndicate), plus Altimeter, D1 Capital, Sands Capital, Coatue, Layer Global, Energy Impact Partners; existing backers (Thrive, a16z, Lightspeed, Trust, CapitalG) also participated. Amount Raised: $1,000,000,000 Total Raised: ~$2,500,000,000+ to date Funding Stage: Series D Funding Date: August 4, 2026 Headquarters: Austin, TX (USA) Sector: Energy Storage (Home Batteries)

HappyRobot raises $150M in funding to scale enterprise AI workforce platform

HappyRobot, a Madrid/New York-based startup that automates operational tasks with AI “workers,” has closed a $150 million Series C funding round at a $1.2 billion valuation. The round was co-led by Prysm Capital and Eurazeo, with participation from Andreessen Horowitz (a16z), Base10, Y Combinator, Koch Disruptive Tech, Orange, Deutsche Telekom’s T.Capital, Bankinter, Endeavor Catalyst, Kfund and others. HappyRobot’s platform uses autonomous AI agents to handle complex workflows — making calls, scheduling, data entry and logistics coordination — across voice, email and enterprise systems. Its agents work end‑to‑end in supply-chain and operational settings (clients include DHL, Uber, etc.).

Revenue has quintupled since the prior round last year, and retention is very high. The Series C will fund deeper enterprise integrations, engineering and deployment teams globally. Competitive dynamics: incumbent RPA and CRM players are taking notice, but HappyRobot’s integration of speech, translation, and LLMs into a unified agent differentiates it. For enterprises suffering from “information sprawl,” investors see HappyRobot as an AI automation enabler. The funding cements supply‑chain AI as a hot sector, with founder Pablo Palafox framing the vision as “enterprise superintelligence” powered by AI agents.

Funding Details Startup: HappyRobot Investors: Prysm Capital (lead), Eurazeo (co-lead); with a16z, Base10, YC, Koch Disruptive Technologies, Orange, Deutsche Telekom’s T.Capital, Bankinter, Endeavor Catalyst, KFund, Wave-X, and others Amount Raised: $150,000,000 Total Raised: ~$200,000,000 (all rounds) Funding Stage: Series C Funding Date: August 4, 2026 Headquarters: Madrid, Spain (with operations globally) Sector: Enterprise AI (Autonomous Supply-Chain Agents)

Zenity raises $125M in funding for AI agent security and governance

Zenity, a Tel Aviv, Israel-based startup, has secured a $125 million Series C funding round led by Norwest Ventures. Norwest partnered with growth fund Qumra Capital, SoftBank Vision Fund 2, Hitachi Ventures and LG Technology Ventures; existing backers (Vertex, Third Point Ventures, DTCP and Intel Capital) also invested. Zenity provides an “identity and security” platform for generative AI agents, letting enterprises define policies and monitor autonomous workflows. It pioneered tools like “AgentFlayer” to expose novel AI vulnerabilities.

The founders highlight that Zenity’s software is now protecting Fortune 500 customers across finance, healthcare, energy and more. Tripling revenues annually, Zenity will use the capital to expand its R&D (based in Tel Aviv) and sales presence (NYC/Europe) to meet surging demand for AI agent controls. With major enterprises deploying AI assistants internally, Zenity is positioning itself as the incumbent security layer for agentic AI. The company’s strategy — treating AI agents like apps that must be managed and “firewalled” — resonated with investors who expect autonomous AI to become pervasive.

Funding Details Startup: Zenity Investors: Norwest Ventures (lead), Qumra Capital, SoftBank Vision Fund 2, Hitachi Ventures, LG Technology Ventures, plus existing (Vertex, Third Point, DTCP, Intel Capital). Amount Raised: $125,000,000 Total Raised: ~$200,000,000 (all rounds) Funding Stage: Series C Funding Date: August 4, 2026 Headquarters: New York, NY (R&D in Tel Aviv, Israel) Sector: Enterprise Cybersecurity (AI Agent Protection)

Convex raises $57M to power agentic software development

Convex builds a cloud database optimized for “AI-assisted” software development. It closed a $57 million Series B led by Insight Partners, with participation from Etna Labs, Spark Capital, a16z, and investor Justin Kan. The founders frame Convex as the new backend for applications written by developers and their AI agents together. Convex offers ACID transactions, automatic caching, and type-safe real-time queries in JavaScript/TypeScript, aiming to replace complex state-management code (Redux, Postgres, etc.) in modern web apps.

Usage has jumped as more teams deploy code-generation agents: millions of Convex instances now run in production. The Series B funds product scaling (support for multi-tenant enterprise use, EU hosting, etc.) and growing the team. Convex competes with legacy databases and emerging “AI databases,” but its pitch is attracting agent-enabled startups that want correctness by default. Backers see Convex as an early infrastructure piece for the next generation of software development, betting that agentic coding will become mainstream.

Funding Details Startup: Convex Investors: Insight Partners (lead), Etna Labs, Spark Capital, a16z, Justin Kan. Amount Raised: $57,000,000 Total Raised: ~$80,000,000 (incl. prior rounds) Funding Stage: Series B Funding Date: August 4, 2026 Headquarters: San Francisco, CA (USA) Sector: Developer Tools / AI Software Infrastructure

QuantHealth raises $45M in funding for AI-based clinical trial simulations

QuantHealth has closed a $45 million Series B funding round led by Israel’s Qumra Capital. Other participants included Pitango HealthTech, Sanofi Ventures, Artofin VC, Bertelsmann Healthcare Investments, GC Ventures, NewHealth Ventures, Shoni Top Ventures and Esplanade. QuantHealth provides AI-driven predictive models that simulate clinical trial outcomes. Its platform has modeled over 600 trials across dozens of indications, helping drugmakers test trial design before enrolling patients. The idea is to reduce waste in R&D by “trial in silicon.”

The Series B capital (raising total funding to $75M) will expand QuantHealth’s data assets, R&D and global partnerships. With pharmaceutical companies facing skyrocketing trial costs and failure rates, investors see AI simulation as a powerful tool to de-risk drug development. QuantHealth’s traction with large pharmas and its ties to Accenture and Sanofi bolster confidence. The round underscores a trend of applying generative/ML techniques to biotech problems – this time focusing on “in silico” validation of therapies.

Funding Details Startup: QuantHealth Investors: Qumra Capital (lead), Pitango HealthTech, Sanofi Ventures, Artofin Venture Capital, Bertelsmann Healthcare Investments, GC Ventures, NewHealth Ventures, Shoni Top Ventures, Esplanade Ventures. Amount Raised: $45,000,000 Total Raised: ~$75,000,000 (all rounds) Funding Stage: Series B Funding Date: August 4, 2026 Headquarters: New York, NY and Tel Aviv, Israel Sector: Healthtech AI (Clinical Trial Simulation)

Ore Energy raises $43M to commercialize iron-air batteries

Ore Energy develops long-duration iron-air batteries for grid storage. The Dutch startup announced a $43 million Series A co-led by Plural and HV Capital. Ore’s technology uses abundant iron for multi-day storage, aiming to balance renewables and power AI datacenters without rare materials. The funds will go toward scaling pilot systems and delivering its first product (targeting hundreds-of-kWh systems for solar, wind and backup power).

The round also included energy-sector VCs and corporates; investors are betting that multi-day storage (beyond lithium’s 8-hour range) is critical for decarbonizing grids. Ore’s iron-air approach competes with flow batteries and pumped storage; its advantage is cost and material abundance. In the current climate, backers noted, Europe’s push for energy independence and AI-friendly power means demand for overnight/grid-scale storage is very high. Ore’s raise reflects a broader “climate tech” surge aligned with AI growth.

Funding Details Startup: Ore Energy Investors: Plural (lead), HV Capital (co-lead), plus Inveno Capital, Shell Ventures, Climentum Capital and others. Amount Raised: $43,000,000 Total Raised: ~$61,000,000 (incl. prior funding) Funding Stage: Series A Funding Date: August 4, 2026 Headquarters: Eindhoven, Netherlands Sector: Energy Storage (Grid-Scale Batteries)

Ambrook raises $30M in funding to expand fintech for agriculture

Ambrook offers a bookkeeping and payments platform tailored to small farms and related SMBs. It closed a $30 million Series B led by Lachy Groom, with follow-on from Thomson Reuters Ventures, Thrive, Field Ventures, Cameron Ventures and angels (founders of Gusto, Notion, Vercel, etc.). The software replaces QuickBooks for rural businesses by handling farmer-specific taxes and irregular billing schedules. Ambrook’s CEO highlights that many multi-million-dollar farms and contractors still run on paper, and its product automates invoice capture, payment workflows, and even provides an AI assistant for bookkeeping.

The fresh capital infusion will finance growth into adjacent verticals (trucking, real estate) where many farmers are already branching. Competition is limited – incumbents have largely ignored these niches – but Ambrook will need to scale support to avoid service bottlenecks. Investors are betting that rural SMBs represent an untapped fintech market. The round signals continued VC interest in “real economy” applications, especially AI-enhanced financial tools for overlooked sectors.

Funding Details Startup: Ambrook Investors: Lachy Groom (lead), Thomson Reuters Ventures, Thrive Capital, Field Ventures, Cameron Ventures, plus angel investors (co-founders of Gusto, Notion, Vercel). Amount Raised: $30,000,000 Total Raised: ~$50,000,000 (all rounds) Funding Stage: Series B Funding Date: August 4, 2026 Headquarters: San Francisco, CA (and Denver, CO) Sector: Fintech / SMB Accounting (Agribusiness)

Buzz Solutions raises $20M in funding for AI-driven grid inspection

Buzz Solutions raised $20 million in Series A funding led by S3 Ventures, with GoPoint Ventures, HearstLab, and Blackhorn Ventures participating. The company’s AI platform analyzes utility inspection images to predict asset issues before they become outages. Buzz’s PowerAI software processes thousands of photos (from drones or site visits) to flag deteriorating infrastructure across transmission lines, substations and solar farms. Its customers include major U.S. utilities (Dominion, AEP, NYPA), and revenues have jumped as aging grid assets face strain from extreme weather and the load of new data centers.

This round will accelerate product development and support new AI models; Buzz notes its customer count tripled and revenue grew 400% in the past year. Backers see grid inspection as a hot area: investors highlight the need for “smart, stable, resilient” infrastructure for the AI era. The raise underscores a trend of applying computer vision and ML to energy and critical infrastructure.

Funding Details Startup: Buzz Solutions Investors: S3 Ventures (lead), GoPoint Ventures, HearstLab, Blackhorn Ventures. Amount Raised: $20,000,000 Total Raised: $30,000,000 (incl. prior seed) Funding Stage: Series A Funding Date: August 4, 2026 Headquarters: Palo Alto / Stanford, CA (USA) Sector: Energy Infrastructure AI

Exclaim Robotics raises $4.95M in funding to automate data-center maintenance

Exclaim Robotics came out of stealth with a $4.95 million pre-seed round co-led by Playfair Capital and Founderful. Founded by robotics researcher Helen Oleynikova, the company is building robots to perform maintenance on live server racks – for example, cleaning connections and swapping failed drives – tasks too dangerous or slow for humans in high-voltage data halls.

With Europe rapidly expanding data centers for AI, Exclaim aims to reduce labor risk and improve uptime. The startup will use the funds to refine its first robot prototype and start pilot deployments in European AI/compute facilities. This raise positions Exclaim among a wave of European robotics ventures targeting industrial and infrastructure use cases. (Playfair has also funded Zurich startups Ascento and Recycleye in this vein.) Though small, the round reflects growing investor interest in operational automation at the physical layer of AI deployment.

Funding Details Startup: Exclaim Robotics Investors: Playfair Capital, Founderful (co-leads). Amount Raised: $4,950,000 Total Raised: $4,950,000 Funding Stage: Pre-Seed (Seed-equivalent) Funding Date: August 4, 2026 Headquarters: Zurich, Switzerland Sector: Robotics / AI for Datacenters

What Today’s Funding Activity Reveals

Beyond the individual wins and losses, today’s deals reveal several broader patterns. First, infrastructure and energy are back in favor thanks to AI’s power hunger. Half of today’s capital ($2B+) went into energy projects (Base, Ore, Valar, Buzz, Exclaim) aimed at stabilizing or augmenting power grids – a shift from recent years where pure software dominated. This “powering AI” theme is striking: investors are effectively betting that next-generation computing needs will fuel clean energy and storage startups.

Second, capital remains concentrated at the top but is branching out. As Crunchbase data showed, record funding is flowing primarily into blockbuster rounds. However, we see more late-stage rounds in adjacent sectors (cybersecurity, healthcare, industrial automation) that support AI’s growth. Zenity’s multi-hundred-million-dollar round and QuantHealth’s sizable raise illustrate that investors are willing to fund large companies outside core generative AI, as long as they leverage AI or solve AI-enabled problems. This suggests an emerging “tier” of moonshot-focused startups in defense, biotech and enterprise tech.

Third, the geography of VC is diversifying. While Silicon Valley still dominates, notable rounds came from Europe and Israel: Ore Energy (Netherlands), HappyRobot (Spain), Exclaim (Switzerland), Zenity and QuantHealth (Israel). European and Israeli deep-tech ecosystems are clearly tapping AI tailwinds, with local investors participating in these rounds. The cross-border nature of today’s deals also hints that leading VCs (from US or global) are comfortable backing foreign founders in strategic sectors.

Finally, investor concentration and formation of new categories stand out. In many of these deals, a few deep-pocketed firms either led or doubled down (e.g., Norwest on Zenity, Ribbit on Base, Sequoia on Valar). This reinforces a trend that mega-funds are setting agendas. It also highlights that entirely new verticals are consolidating around AI: security-for-agents, AI workforce orchestration, next-gen batteries, etc. We’re seeing the early shape of new “infrastructure categories” for AI, defined by these large financings.

Venture Funding Table

Startup Amount Raised Sector Funding Stage Lead Investors Country Valar Atomics $1,000,000,000 Nuclear Energy / AI Power Series B Sequoia Capital, others USA Base Power $1,000,000,000 Energy Storage (Home Batteries) Series D Ribbit, Addition, Valor, JPMorgan SIG USA HappyRobot $150,000,000 AI Enterprise (Logistics) Series C Prysm Capital, Eurazeo Spain Zenity $125,000,000 AI Security (Agent Governance) Series C Norwest, Qumra Capital, others USA / Israel Convex $57,000,000 Dev Tools / AI Software Series B Insight Partners USA QuantHealth $45,000,000 Healthtech AI (Drug Trials) Series B Qumra Capital, Sanofi Ventures, others USA / Israel Ore Energy $43,000,000 Energy Storage (Iron-Air) Series A Plural, HV Capital Netherlands Ambrook $30,000,000 Fintech (Agribusiness) Series B Lachy Groom USA Buzz Solutions $20,000,000 AI / Grid Inspection Series A S3 Ventures USA Exclaim Robotics $4,950,000 Robotics (Datacenter AI) Seed (Pre-seed) Playfair Capital, Founderful Switzerland

Strategic Takeaways for Founders and Investors

  • Align with AI’s “shadow demand.” Infrastructure startups should consider how AI creates new needs. Energy, semiconductors, industrial automation and specialized manufacturing are now in investors’ crosshairs if they enable AI’s growth. Founders in these spaces should highlight AI or national-security use cases (as Valar did) to tap this capital. Likewise, enterprise B2B startups can stand out by serving AI-driven businesses (HappyRobot serves logistics-heavy firms; QuantHealth sells to pharma under R&D pressure).

  • Demonstrate defensibility with hardware or domain expertise. These rounds show investors gravitating toward hard-to-replicate solutions. Nuclear plants and novel batteries involve hardware and regulation, offering moats; AI agent security (Zenity) or biotech modeling (QuantHealth) require deep technical know-how. Startups should emphasize unique data, patents or regulatory barriers. For pure software startups, embedding into mission-critical workflows (as HappyRobot has) can justify higher valuations.

  • Focus on real customer ROI and vertical integration. Ambrook’s approach – high-touch onboarding for niche SMBs – underscores that solving concrete pain (farmers’ bookkeeping) is attractive, even with smaller checks. Founders should sharpen their value story: how much time/money their solution saves. Investors are prioritizing startups that deliver clear ROI in tangible industries (agri, energy, manufacturing), not just tech demo. Interdisciplinary teams (like Valar’s nuclear/AI founders) win trust from savvy VCs.

  • Pick the right stage and partner. Many of today’s deals were led by specialty funds (energy tech funds, deeptech VCs) or corporate venture arms, not just generalists. Founders should target investors whose thesis matches their field. And note that mega-round pricing is high: Base’s late-stage rounds valued it at ~$13B. Entering at these terms requires strong traction. If still early-stage, founders might delay raising or seek product-market fit before chasing a unicorn valuation.

  • Stay capital-efficient if you’re not in the spotlight. For smaller startups or those in crowded sectors, this market suggests caution. Capital concentrated in giants means tougher follow-on rounds for others. Founders should prioritize profitability or niche dominance over aggressive top-line growth without a plan to monetize. Show investors a path to self-sufficiency, or consider alternative financing (grants, strategic partnerships) if a VC megaround seems unlikely soon.

  • Beware generative AI hype – emphasize fundamentals. While “AI” is a magnet for dollars, investors in these deals still dug into fundamentals. For example, Zenity’s pitch isn’t generic AI security; it’s securing fully autonomous workflows. Convex isn’t just another database; it’s designed for agent-driven apps. Founders should ensure that, beyond buzzwords, their product addresses a clear technical gap or business need in the AI stack, and explain that concretely.

Conclusion

Today’s funding snapshot paints a startup ecosystem increasingly defined by AI’s physical footprint. From Intel‑backed cyberdefense to Google‑antimatter power, VCs are betting that the next big disruptions sit at the intersection of AI algorithms and the real world. For entrepreneurs and investors alike, the message is clear: deep tech and infrastructure that support AI’s rise are commanding premium valuations. Capital is flowing to companies solving the hard problems – from energy storage and grid stability to machine autonomy and industrial automation – that underpin digital transformation. In this era of “invisible” AI, the visible forces of hardware, software and policy are taking center stage. If today’s trends persist, we’re heading into a cycle where AI-enabling infrastructure is as prized as AI software itself, reshaping what it means to be a breakthrough startup in 2026 and beyond.