signal/raiseTrack rounds

28 startup funding rounds, 7 to 13 September 2026: Mistral AI's $3.5bn Series D+ leads

Startups raised $13.32bn across 28 rounds. AI drew the most money, and North America led by region.

Mistral AIImage: Mistral AI
Raised$13.32bn
Rounds28
Median round$85m
$1bn+ valuations8

We tracked 28 startup funding rounds announced from 7 to 13 September 2026, worth $13.32bn in disclosed funding.

The largest was Mistral AI's $3.5bn Series D+ round, led by Samsung Electronics and Scaleup Europe Fund. The Boring Company followed with $3bn.

AI startups raised $6.53bn across 7 rounds, and those based in North America raised $8.94bn.

13 September 2026

FortaegisSeries A · Cybersecurity · Amsterdam · led by Serendipity Capital$50m

10 September 2026

PositronSeries C · AI · Reno · led by NEA$875mMach IndustriesSeries C · Defence & space · Huntington Beach$600mKapitalSeries C · Fintech · Mexico City · led by Tru Arrow Partners$125mInspirenSeries C · Healthtech & bio · United States · led by NewView Capital$70mArlequin AISeries A · AI · Paris · led by redalpine$32.5mVecna RoboticsGrowth · Robotics & hardware · Waltham · led by Unless$31m

9 September 2026

The Boring CompanySeries D+ · Mobility & logistics · Bastrop · led by United Arab Emirates$3bnHarveySeries D+ · Legal & compliance · San Francisco · led by Diffusion$550mCeleroSeries C · Robotics & hardware · Irvine · led by Atreides Management$275mEncoded TherapeuticsSeries D+ · Healthtech & bio · South San Francisco · led by GV$275mClaySeries D+ · AI · New York · led by Wellington Management$115mLatitudeSeries A · Fintech · United States · led by Oak HC/FT$35mCymphonySeries A · Cybersecurity · Israel · led by Sequoia Capital$25mQNu LabsSeries A · Cybersecurity · Bengaluru · led by National Quantum Mission$21mZeroRiskSeries A · Cybersecurity · Dublin · led by MiddleGame Ventures$10mHelmGuardSeed · Legal & compliance · London · led by Infinity Ventures$7.3m

8 September 2026

Mistral AISeries D+ · AI · Paris · led by Samsung Electronics$3.5bnCognitionSeries D+ · AI · San Francisco · led by Andreessen Horowitz$2bnStoke SpaceSeries D+ · Defence & space · Kent · led by Point72 Ventures$1bnThe Exploration CompanySeries C · Defence & space · Munich · led by Bessemer Venture Partners$450mBrainChild BioSeries A · Healthtech & bio · Seattle$116mArc RideSeries A · Mobility & logistics · Nairobi · led by Novastar Ventures$33.3mGround APre-seed · Defence & space · Germany · led by Vsquared Ventures$10.6mGaiaPre-seed · AI · Saudi Arabia · led by Seedra Ventures$1.5m

7 September 2026

PixxelSeries C · Defence & space · Bengaluru · led by Temasek$100mMagnarSeries A · Legal & compliance · Chile · led by 6 Degrees Capital$8mCatoSeed · AI · Milan · led by Keen Venture Partners$7m