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March 2026 funding

Startup funding rounds announced in March 2026: 11 rounds worth $129.16bn.

Raised$129.16bn
Rounds11
Median round$500m
$1bn+ valuations8
Image: OpenAI
Biggest round · San FranciscoOpenAI closes $122bn funding round at an $852bn valuation

All 11 rounds

OpenAIGrowth · AI · San Francisco · 31 Mar$122bnRebellionsSeries D+ · Robotics & hardware · Seoul · 30 Mar$400mShield AISeries D+ · Defence & space · San Diego · 26 Mar$2bnPAVE SpaceSeed · Defence & space · Lausanne · 25 Mar$40mHalterSeries D+ · Robotics & hardware · Auckland · 24 Mar$220mKandou AISeries A · Robotics & hardware · Saint-Sulpice · 23 Mar$225mMind RoboticsSeries A · Robotics & hardware · Palo Alto · 11 Mar$500mLegoraSeries D+ · Legal & compliance · Stockholm · 10 Mar$550mNscaleSeries C · AI · London · 9 Mar$2bnAMI LabsSeed · AI · Paris · 9 Mar$1.03bnUaláGrowth · Fintech · Argentina · 4 Mar$197m

By sector

AI3 rounds$125.03bnDefence & space2 rounds$2.04bnRobotics & hardware4 rounds$1.35bnLegal & compliance1 round$550mFintech1 round$197m

By stage

Growth2 rounds$122.2bnSeries D+4 rounds$3.17bnSeries C1 round$2bnSeed2 rounds$1.07bnSeries A2 rounds$725m

By region

North America3 rounds$124.5bnEurope5 rounds$3.85bnEast Asia1 round$400mOceania1 round$220mLatin America1 round$197m

Compare months

November59 rounds$4.99bnOctober182 rounds$15.42bnSeptember125 rounds$26.72bnAugust11 rounds$11.53bnJuly10 rounds$7.15bnJune10 rounds$6.24bnMay11 rounds$75.48bnApril10 rounds$3.98bnMarch11 rounds$129.16bnFebruary9 rounds$4.45bnJanuary10 rounds$23.5bn

Rankings, reports and weekly roundups

Biggest startup funding rounds in March 2026March 2026 startup funding reportQ1 2026 startup funding report