Enterprise Account Executive

Hadrian lands $1.4B to mass-produce submarine parts, Whatnot hits $20B, and the week mega-rounds became a defense and hard-tech arms race. Hadrian raises $1.37B to automate defense manufacturing, Whatnot doubles to $20B valuation, and August's mega-rounds show funding flowing to factories, nuclear, and batteries - not just chatbots. Published August 8, 2026 This week's funding tracker reads like a pivot away from the AI model wars and straight into the physical world. Hadrian raised $1.37 billion in a Series D at an $8 billion valuation to build automated factories that mass-produce defense components - think submarine parts, not software subscriptions. It is one of the largest rounds in recent memory that isn't tied to training clusters or model APIs. The thesis is simple: the U.S. needs to manufacture critical defense hardware faster, and Hadrian's betting that robotics and automation can scale production without the lead times that currently plague DoD suppliers. The round signals that venture dollars are moving downstream from pure software into the capital-intensive, regulation-heavy world of making things. When a defense-tech startup commands an $8B valuation in 2026, it means LPs are pricing in geopolitical risk and reshoring demand as core investment drivers. Nuclear, batteries, and energy infrastructure take half the mega-round list. Valar Atomics closed $1 billion in Series B at a $6 billion valuation, making it the second nuclear startup to cross ten-figure funding this quarter. The company had already signed a development deal with Nvidia in June, which probably helped close the round. When GPU vendors are co-investing in reactor startups, it is a safe bet that data center power consumption is the real product roadmap. Base Power secured $1 billion in Series D at a $13 billion post-money valuation for residential battery storage. That is a higher valuation than most enterprise SaaS companies will ever see, and it reflects the fact that distributed energy storage is now a VC category with exit multiples that rival software. Residential batteries solve grid reliability, peak shaving, and EV charging - all problems that scale with housing density and vehicle electrification. The funding proves that hard-tech infrastructure can command software-like valuations when the TAM is measured in every house with a garage. Whatnot doubles its valuation in ten months by staying weird. Whatnot raised $545 million in Series G, nearly doubling its valuation from $11.5 billion in October 2025 to around $20 billion. The round was led by ICONIQ, Lightspeed, and Avra. For context, Whatnot is a live-streaming commerce app where people auction Pokémon cards, sneakers, and vintage toys in real time. It is not an AI play, not a vertical SaaS, not a fintech rails company - it is a niche social commerce platform that found product-market fit by letting obsessive collectors haggle over webcams. The valuation jump shows that consumer apps can still 10x in a downturn if they own a category no one else is serving. Whatnot's moat is community and format: live video auctions create urgency and parasocial trust in a way that static product pages cannot. When a live-commerce app is worth $20B, it means investors believe the format will expand beyond collectibles into broader retail. If you are building a consumer product in 2026, the takeaway is clear: own a behavior, not a feature set. Cybersecurity and stablecoins get funding, but at smaller checks. Horizon3 announced a $250 million Series E at a more than $2 billion valuation, led by NightDragon and NEA. That was roughly triple its Series D valuation from last year. The company does pentesting and attack surface management - basically automated red-teaming for enterprises that do not want to hire consultants every quarter. Yellow Card raised $40 million for stablecoin payments infrastructure, with backers including SC Ventures by Standard Chartered, Sony Innovation Fund, Polychain Capital, and Blockchain Capital. Stablecoin rails are now being priced as fintech plumbing - boring, regulated, but necessary if cross-border payments are going to route through USDC instead of correspondent banks. When a traditional bank like Standard Chartered is co-investing, it means the infrastructure layer is no longer speculative. Khosla led eight deals in July; Y Combinator led in volume. Khosla Ventures led eight deals of $5 million or more in July, including a $300 million Series A for Oratomic and a $120 million Series C for Norm AI. That makes Khosla the most active lead investor by reported dollars in the month. Coatue backed a $10 billion financing for Blue Origin, which probably skews the leaderboard but also shows that space infrastructure is now a VC asset class. Nvidia backed a $5 billion financing for Safe Superintelligence, continuing its pattern of writing massive checks into AI labs and anything adjacent to GPU demand. Y Combinator was the most prolific investor by deal count, which tracks with its batch model - high volume, smaller checks, spray-and-pray at the seed stage. The funding landscape in August 2026 is split: billion-dollar rounds are clustering in defense, energy, and physical infrastructure, while software and fintech are raising smaller growth rounds. If you are pitching a deck right now, the meta-strategy is obvious - either go after a hard problem that requires factories and reactors, or own a niche consumer behavior no one else is monetizing. The middle is getting squeezed.

Horizon3 raises $250M Series E at $2B+ valuation to lead the "AI vs. AI" Cybersecurity era. * Fundraising News * 03.08.2026 02:30 pm Horizon3, the AI-Native Proactive Security Company behind NodeZero(R), the World's Best AI Hacker(TM), today announced a $250 million Series E at a valuation of more than $2 billion, tripling its valuation from $650 million at Series D in just over a year. The oversubscribed round was co-led by existing investors NightDragon and NEA, with participation from seven new investors and five returning backers. The capital underscores accelerating global demand for safe, autonomous security validation as AI-driven cyberattacks escalate. "We invented the concept of AI Hackers and spent six years earning the right to autonomously pentest the most critical and sensitive networks in the world - with no humans in the loop," said Snehal Antani, Co-Founder and CEO of Horizon3. "Our massive data moat - built on 310,000 tests safely executed in production - combined with thousands of radical champions who love our product, has allowed us to achieve consistent top-tier financial and operational metrics. This round gives us the fuel to scale aggressively as the definitive leader of the AI vs. AI era." A Defining Moment for Autonomous Security Cyberattacks now move at the speed of AI, and traditional defenses cannot keep pace. Horizon3's NodeZero platform closes that gap by autonomously and safely attacking an organization's own production environment. It reveals exactly how adversaries chain together misconfigurations, weak credentials, and identity gaps to compromise critical systems, provides fix guidance, and instantly verifies remediation. Additionally, as NodeZero tests an environment, it can optimally deploy honeypots that are the cheapest, fastest, and most effective way of detecting AI attackers and prove they are inside. This unique approach has powered 120% year-over-year ARR growth as Horizon3 now protects over 7,000 organizations globally including multinational banks, major healthcare networks, and four Fortune 10 enterprises. Vetted, tested, and operational across large, classified government agencies and enterprises in the most highly regulated industries in the world, Horizon3 is FedRAMP(R) High authorized and helps organizations meet DORA, NIS 2, NIST CSF 2.0, HIPAA, SOC 2, and GDPR regulatory requirements. The company was also recently named the Fastest Growing Cybersecurity Company in North America by both the Deloitte Technology Fast 500 and Fast Company. Premier Global Investor Syndicate and Board Additions * The Series E round was co-led by existing investors NightDragon and NEA, with participation from a syndicate of new and returning strategic and institutional investors: * New investors: Acrew, Blue Cloud Ventures, EDBI (Singapore), Demeter Group, PSG, SAIC, and Sapphire * Existing investors: Craft Ventures, Prosperity7 Ventures, Qualcomm Ventures, Ridge Ventures, and SignalFire As part of the investment, Dave DeWalt, Founder and CEO of NightDragon and former CEO of FireEye and McAfee, and Morgan Kyauk, Managing Director at NightDragon, will join Horizon3's Board of Directors. "Horizon3 coined the concept of cyber warfare being AI vs. AI, and that future has arrived," said Dave DeWalt. "Snehal and his team have built an unparalleled proactive security platform that is fundamentally reshaping how the world defends its data. I am thrilled to join the board to help Horizon3 secure the world's most critical infrastructure and enterprises at scale." "Horizon3 has demonstrated textbook operational excellence," said Morgan Kyauk. "They have built an incredibly efficient, highly scalable go-to-market motion that will be further amplified by NightDragon's ecosystem of partners, advisors, and global customers." Use of Proceeds Horizon3 will deploy the new capital across three strategic priorities: * Aggressive GTM Scaling: Scaling go-to-market operations - sales, marketing, and channel - to meet surging global demand across enterprise, mid-market, and federal customers. * International Expansion: Strategic entry into Singapore and Australia while deepening presence across EMEA. * Next-Gen Product Innovation: Accelerating the product roadmap to build a continuous learning loop between AI Attackers and AI Defenders - including new autonomous blue-team agents that remediate findings directly from NodeZero pentests. "It has never been harder for CIOs and CISOs. Attackers are getting faster, enterprise IT is becoming more complex, and regulators and cyber insurers are becoming more punitive," Antani added. "We're about to see an explosion of vulnerabilities, most of which won't matter, but a small percentage will be immediately exploitable. The goal of running pentests isn't to find problems, it's to quickly fix exploitable problems that matter. We started with pentesting, evolved to be a proactive security platform, and will now accelerate remediation by creating AI learning loops between attackers and defenders."