US Startup Funding: June 2026
US Startup Funding in June 2026: From $9M Seed to $12B – The Complete List of Who Raised What 492+ deals, $12B+ in mega-rounds alone, and a seed boom in AI, robotics, and voice – every...
US Startup Funding in June 2026: From $9M Seed to $12B – The Complete List of Who Raised What
492+ deals, $12B+ in mega-rounds alone, and a seed boom in AI, robotics, and voice – every major US raise with founder names
Table Of Content
By TheFounders+ Research | Published: July 2, 2026 | 9 min read
June 2026 was not a month of cautious checks. It was a month of concentration. Across the US, venture dollars chased bottlenecks – AI inference, physical AI, semiconductor metrology, data security, and energy infrastructure. The result: billion-dollar rounds returned, while seed rounds stayed highly active.
Intellizence tracked June as dominated by mega funding rounds across AI, defense tech, robotics, prediction markets, drug discovery, energy infrastructure, and enterprise automation. At the same time, NYC accounted for 24.4% of all US venture dollars in June 2026 — its highest national share on record — with 12 rounds of $100M or more.
The $1 Billion+ Club – US Leads Global Mega-Rounds
| Company | Amount | Stage / Valuation | HQ | Founders |
|---|---|---|---|---|
| Prometheus | $12B | Series B at $41B | San Francisco, CA | Physical AI startup led by Jeff Bezos and former Google exec Vik Bajaj – building artificial general engineer for manufacturing |
| Baseten | $1.5B | Series F at $11B / $13B tranches | San Francisco, CA | Tuhin Srivastava, Amir Sadoughi, Philip Howes, Ulrik Stig Hansen – AI inference infrastructure |
| AppsFlyer | $1B+ | Series E at $2.7B | San Francisco, CA | Oren Kaniel, Reshef Mann – strategic from Google, Meta, Unity |
| Etched | $800M | Venture at $5B | San Jose, CA | Gavin Uberti, Chris Zhu, Robert Wachen – AI inference chips |
| Ramp | $750M | Series F at $44B | New York, NY | Eric Glyman, Karim Atiyeh, Michael Sindicich |
$400M – $600M Tier – Data Security and Enterprise AI Dominate
| Company | Amount | Stage | Founders / Co-founders |
|---|---|---|---|
| Cyera | $600M | Series G – Total $2.3B | Yotam Segev, Tamar Bar-Ilan, Yonatan Itai, Haffiz Bachok – NYC data security platform |
| Supabase | $500M | Series F – $10.5B valuation | Paul Copplestone and Anthony Wilson (Ant Wilson) – Founded 2020, backed by GIC, Accel, Stripe, Salesforce Ventures |
| Impulse Space | $500M | Series D – Total $1.0B | Tom Mueller – Redondo Beach, spacecraft propulsion |
| Flourish | $500M | Series A | Vish Sivakumar – NYC, AI + human coaching, backed by Lux Capital, GV, Jeff Bezos |
| DriveNets | $410M | Series D – Total $997M | Hillel Kobrinsky and Ido Susan – AI networking infrastructure |
| Generalist AI | $400M | Series B – Total $553M | Andrew Barry, Andy Zeng, Pete Florence – San Mateo robotics, founded 2024 |
| Suno | $400M | Series D – Total $775M | Georg Kucsko, Keenan Freyberg, Martin Camacho, Mikey Shulman – Cambridge, AI music creation |
| NinjaOne | $400M | Series C – Total $1.2B | Christopher Matarese, Eric Herrera, Sal Sferlazza – Austin, founder-led, majority control remains with Sal Sferlazza and Chris Matarese |
| Ionic Digital | $400M | Venture | Coral Gables – digital infrastructure for AI & HPC data centers |
$100M+ Rounds – Infrastructure, Defense and AI Governance
| Company | Amount | Stage / HQ | Founder Note |
|---|---|---|---|
| Upscale AI | $190M | Series A-1, $2B val, Santa Clara | AI networking – investors Nvidia, Salesforce Ventures, Temasek |
| Twenty | $100M | Series B, Arlington, VA | Defense / intel platform – backers Accel, Point72, General Catalyst |
| Scaled Cognition | $100M | Series A | Khosla Ventures, Genesys |
| Trase | $107M | Seed, McLean, VA | Bio – ARCH Venture Partners, Red Cell Partners |
| AlphaSense | Growth round | June 3, 2026 | Jack Kokko, Raj Neervannan – market intelligence unicorn, investors Vitruvian, CapitalG, Goldman Sachs |
Seed to $50M – Where Future Unicorns Started in June
| Company | Amount | Stage / Date | Founder / Sector |
|---|---|---|---|
| Hang Ten Systems | $32M | Seed – June 24 | Palo Alto – Enterprise AI transformation |
| Runlayer | $30M | Series A – June 24 | Felicis, Khosla Ventures – total $42M |
| Architect Labs | $24M | Seed – June 18 | Palo Alto – chip design acceleration, investors Kindred, TQ Ventures, Jeff Dean, OpenAI/Nvidia execs |
| Caplight | $16M | Series A – June 24 | San Francisco – private market data infrastructure, investors BlackRock, Fin Capital, UBS |
| Baz | $9M | Extended Seed – June 29 | San Francisco – Dev tools, AI code security, Battery Ventures, Boldstart |
| Goldenrod Therapeutics | $6.5M | Seed – June 8 | Ataxia Ventures, Fannin Partners |
| Queue | $12.6M | Seed – June 30 | Palo Alto – AlleyCorp lead |
Editorial Take: What June Means for H2 2026
June proved three theses: First, inference is the new training – Baseten at $13B and Etched at $800M show investors will pay sovereign-scale prices for who controls model serving cost. Second, data security is no longer a feature, it’s a platform – Cyera at $600M and Supabase at $10.5B show AI agents need secure data backends. Third, physical AI graduated from demo to deployment – Prometheus at $12B and Generalist AI at $400M mark the start of AI that builds real things.
For founders raising in Q3, the signal is clear: show bottleneck ownership. The market is not funding wrappers. It is funding infrastructure, metrology, and networking that makes AI production real.
Sources: AlleyWatch June 2026 Global Funding Report, TechStartups Daily Roundups June 8-29 2026, Intellizence Startup Funding Trends June 2026, Company announcements.
