We tracked 11 startup funding rounds in March 2026, together worth $129.16bn in disclosed funding. The median disclosed round was $500m.
The largest was OpenAI's $122bn Growth round, led by SoftBank and Andreessen Horowitz, at a $852bn valuation. 10 rounds reached $100m or more and accounted for 100% of the money.
AI led by sector with $125.03bn across 3 rounds. By region, North America took $124.5bn (96%).
8 companys raised at a valuation of $1bn or more: Ualá, Nscale, Legora, Mind Robotics, Halter, Shield AI and others.
The biggest rounds
- 1OpenAIGrowth · AI · San Francisco$122bn
- 2NscaleSeries C · AI · London$2bn
- 3Shield AISeries D+ · Defence & space · San Diego$2bn
- 4AMI LabsSeed · AI · Paris$1.03bn
- 5LegoraSeries D+ · Legal & compliance · Stockholm$550m
- 6Mind RoboticsSeries A · Robotics & hardware · Palo Alto$500m
- 7RebellionsSeries D+ · Robotics & hardware · Seoul$400m
- 8Kandou AISeries A · Robotics & hardware · Saint-Sulpice$225m
- 9HalterSeries D+ · Robotics & hardware · Auckland$220m
- 10UaláGrowth · Fintech · Argentina$197m
Figures cover the rounds in our tracker, which records disclosed amounts converted to US dollars at announcement. See the methodology.