← August 2026 · October 2026 → · all rounds in the Tech Funding Tracker
every round announced in September 2026
| Company | Raised | Round | Valuation | Investors | Sector | Date | Source |
|---|---|---|---|---|---|---|---|
| EliseAIVertical AI (housing, healthcare) | $350M | n/a | $4B | Andreessen Horowitz, Bessemer Venture Partners, Ontario Teachers' Pension Plan, Sapphire Ventures, Navitas Capital | AI agents and apps | September 29, 2026 | ↗ story |
| InstinctConsumer AI agents | $1B | Series C | $10B | Sequoia Capital, Benchmark, Coatue | AI agents and apps | September 28, 2026 | ↗ story |
| Snorkel AIAI training data / RL environments | $350M | Series E | $3.5B | Insight Partners and S32 (co-leads), with March Capital, Blumberg Capital, Allegis Capital, Frontline, Standard, Third Point Ventures, Addition, Greylock, Lightspeed, GV, Factory, Prosperity7, Walden Catalyst, Wells Fargo | AI infrastructure and chips | September 22, 2026 | ↗ story |
| Kairos PowerAdvanced nuclear / AI data center power | up to $100M | Strategic investment | n/a | Samsung C&T ($70M equity + $30M in-kind engineering services) | Energy and power | September 21, 2026 | ↗ story |
| TemporalDeveloper infrastructure / durable execution for AI agents | $550M | Series E | $12.55B | Lightspeed, Wellington Management, Growth Equity at Goldman Sachs Alternatives, Tiger Global (co-leads); T. Rowe Price, SV Angel; a16z, Sequoia, Index, GIC, Sapphire Ventures, Amplify (existing) | Developer tools | September 14, 2026 | ↗ story |
| Mistral AISovereign AI / open-weight foundation models | €3B (~$3.5B) | Series D | €21B+ | Samsung Electronics (lead); Scaleup Europe Fund / EQT, PSG Equity (co-leads); Advent, BlackRock funds, Grand Duchy of Luxembourg (new); a16z, ASML, DST Global, General Catalyst, Index Ventures, Nvidia, Salesforce Ventures (existing) | AI models and labs | September 8, 2026 | ↗ story |
| PixxelSpace tech / hyperspectral Earth observation | $100M | Series C | n/a | Temasek, Seraphim Space (co-lead); 360 ONE Asset, IMM Investment (new); Radical Ventures, growX ventures (existing) | Defense and space | September 7, 2026 | ↗ story |
| Gimlet LabsAI infrastructure / multi-silicon inference orchestration | $300M | Series B | $3B | Andreessen Horowitz (lead); Arm, M12 (Microsoft) (new); Sapphire Ventures, Menlo Ventures, Factory (existing) | AI infrastructure and chips | September 5, 2026 | ↗ story |
| CrusoeAI infrastructure / cloud data centers | $3B+ | Growth (unnamed round) | $30B | Atreides Management and Valor Equity Partners (co-lead); Mubadala Capital | AI infrastructure and chips | September 3, 2026 | ↗ story |
| GuardioConsumer cybersecurity / AI-scam defense | $40M | Growth (unnamed round) | $1.1B | Assaf Rappaport (Wiz co-founder/CEO); ION Crossover Partners, Union Tech Ventures, Vintage Investment Partners, Cerca Partners, Emerge Ventures | Cybersecurity | September 3, 2026 | ↗ story |
| WonderfulEnterprise AI orchestration / AI operating system | $550M | Series C | $5B | Insight Partners (lead); Salesforce | AI agents and apps | September 2, 2026 | ↗ story |
| FelixFintech / AI-driven remittances | $200M | Series C | n/a | Andreessen Horowitz and General Catalyst (co-leads); QED Investors, Castle Island Ventures, Switch Ventures, Contour Venture Partners and Endeavor Catalyst (equity); General Catalyst's Customer Value Fund (debt facility) | Fintech and crypto | September 1, 2026 | ↗ story |
| AIR SecurityAI agent security / enterprise cybersecurity | $50M | Seed (two rounds, same day) | n/a | Sequoia Capital ($10M, first close) and Greenoaks Capital ($40M, second close); Swish Ventures, Netz, and angels including Wiz co-founder Yinon Costica, Eon co-founder Ofir Ehrlich, Cognition president Zach Frankel, Clay co-founder Varun Anand, and Anne Neuberger | Cybersecurity | September 1, 2026 | ↗ story |
by sector
- AI infrastructure and chips: $3.65B across 3 rounds
- AI models and labs: $3.5B across 1 round
- AI agents and apps: $1.9B across 3 rounds
- Developer tools: $550M across 1 round
- Fintech and crypto: $200M across 1 round
- Energy and power: $100M across 1 round
- Defense and space: $100M across 1 round
- Cybersecurity: $90M across 2 rounds
← August 2026 · October 2026 → · all rounds in the Tech Funding Tracker