Top Funding Rounds Week of September 7th
Mistral AI and The Boring Company lead a week of multi-billion dollar funding rounds. See the full breakdown of top venture deals and market trends.
Published September 14, 2026 by Jacob Klionsky
- 01$3.5BSeries D
Mistral AI, a French AI company, raised €3 billion in a Series D at a post-money valuation of more than €21 billion led by Samsung Electronics with Scaleup Europe Fund (managed by EQT) and PSG Equity as co-leads, and participation from Advent, BlackRock-managed funds and accounts, the Grand Duchy of Luxembourg, and numerous existing investors.
- 02$3BSeries D
The Boring Company, tunneling startup, raised $3 billion Series D at a $23 billion valuation led by the United Arab Emirates with participation from Andreessen Horowitz, Sequoia Capital, Human Capital, Vy Capital, and Valor Equity Partners.
- 03$2BSeries E
Cognition, the developer of autonomous coding agent Devin, raised $2 billion in a Series E at a $48 billion valuation led by Andreessen Horowitz and Accel, with participation from Founders Fund, General Catalyst, Avenir, Benchmark, Bessemer, Kleiner Perkins, Greylock and Nvidia.
- 04$1.3BEquity
Motive, the AI platform for physical operations, secured more than $1.3 billion in growth financing from General Catalyst’s Customer Value Fund (CVF).
- 05$1BEquity
Adani Airport Holdings, one of India’s largest private airport operators, raised approximately $1 billion of primary equity capital at an $18 billion pre-money valuation from Alpha Wave Global, Premji Invest, Temasek and BlackRock-managed funds
- 06$1BSeries E
Stoke Space, a rocket startup, raised $1 billion in a Series E led by Point72 Ventures and Spark Capital
- 07$875MSeries C
Positron, an AI inference hardware company, raised $875 million in a Series C at a $5 billion post-money valuation co-led by NEA, Atreides Management, Valor Equity Partners, Andra Capital, SemiAnalysis Capital (Dylan Patel) and Jim Clark
- 08$835MEquity
Suniva, U.S. solar cell manufacturer, raised $835 million in a debt and equity capital raise led by funds managed by Goldman Sachs Alternatives and I Squared Capital with participation from JBA Asset Management, Electron Capital Partners, Orion Infrastructure Capital, Rubric Capital Management, Lion Point Capital, and other investors.
- 09$600MSeries C Extension
Mach Industries, a defense tech startup, raised $600 million in a Series C extension at a $3.7 billion valuation from investors including Ribbit Capital, Infinite Capital, Bedrock Capital and Sequoia.
- 10$550MEquity
Harvey, a legal AI startup helping law firms and in-house legal teams build and own their intelligence, raised $550M in a funding round at a $15.5B valuation co-led by Diffusion and Lightspeed Venture Partners and participated in by Sequoia, Kleiner Perkins, a16z, Coatue, Conviction, Elad Gil, Evantic, GIC, Goldman Sachs Alternatives, Verified Capital, WNDR, Sapphire Ventures, and Whale Rock
- 11$500MSeries A
Fab2, a semiconductor startup that builds and mass-produces small chip fabs, raised a $500 million Series A at a $3.7 billion valuation led by Fundomo and joined by Corner Capital, Paradigm, Duquesne Family Office, Maverick Silicon, StepStone Group, Protagonist, UDC Ventures, and angel investor Naval Ravikant.
- 12$450MSeries C
The Exploration Company, a European space company developing reusable spacecraft and propulsion systems, raised $450M Series C co-led by Bessemer Venture Partners, Atomico and the Scaleup Europe Fund (managed by EQT) with participation from Balderton, Plural, Cherry and Red River West.
- 13$325.4MEquity
Algomatic Dynamics, a robotics and physical AI company, secured ¥50 billion in its first fundraising underwritten by DMM.com.
- 14$275MSeries F
Encoded Therapeutics, a clinical-stage precision genetic medicines company, raised $275 million in a Series F co-led by GV and another healthcare fund with participation from ARCH Venture Partners, Braidwell LP, Farallon Capital Management, Illumina Ventures, Invus, Janus Henderson Investors, Matrix Capital Management, Nolan Capital, RTW Investments, SoftBank Vision Fund 2, and Venrock
- 15$275MSeries C
Celero Communications, advanced coherent DSP technology for AI infrastructure, raised $275 million Series C at a valuation of more than $3 billion led by Atreides Management, Valor Equity Partners and CapitalG, with participation from Sutter Hill Ventures and Maverick Silicon.
- 16$250MEquity
Covenant, a developer of long-range, heavy-payload precision strike weapon systems, raised more than $250 million across three funding rounds led by Andreessen Horowitz, Founders Fund, Lux, 8VC, Aleph and Lightspeed.
- 17$225MSeries A
Solstice Oncology, a clinical-stage immuno-oncology company, raised $225 million Series A led by RA Capital Management with participation from Canaan Partners, Forbion and other investors
- 18$161MGrant
Antares, a nuclear microreactor startup, received a $161 million Strategic Breakthrough defense grant from the U.S. Space Force.
- 19$160MEquity
PEX, an expense management fintech, raised $160 million in a debt and equity funding round led by Bluff Point Associates with the credit portion provided by Clear Haven Capital Management.
- 20$155MEquity
TabaPay, a money movement platform, raised $155M in a growth capital round led by FTV Capital.
