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signal/raiseTrack rounds

10 startup funding rounds, 4 to 10 May 2026: Sierra's $950m Series D+ leads

Startups raised $1.42bn across 10 rounds. AI drew the most money, and North America led by region.

SierraImage: Sierra
Raised$1.42bn
Rounds10
Median round$45m
$1bn+ valuations1

We tracked 10 startup funding rounds announced from 4 to 10 May 2026, worth $1.42bn in disclosed funding.

The largest was Sierra's $950m Series D+ round, led by Tiger Global and GV. QuantWare followed with $178m.

AI startups raised $957m across 2 rounds, and those based in North America raised $1.03bn.

7 May 2026

Skyroot Aerospace logoSkyroot AerospaceGrowth · Defence & space · Hyderabad · led by Sherpalo Ventures$60mDarkhive logoDarkhiveSeries B · Defence & space · San Antonio · led by RTX Ventures$30mLunar Outpost logoLunar OutpostSeries B · Defence & space · Golden · led by Industrious Ventures$30mProntoSeries B · Consumer & media · Bengaluru · led by Lachy Groom$20m

6 May 2026

SageOx logoSageOxSeed · Developer tools · Seattle · led by Canaan Partners$15m

5 May 2026

QuantWare logoQuantWareSeries B · Robotics & hardware · Delft$178meleQtron logoeleQtronSeries A · Robotics & hardware · Germany · led by Schwarz Digits$66mZyGSeries A · Commerce & marketing · Tel Aviv · led by Accel$60mAltara logoAltaraSeed · AI · San Francisco · led by Greylock$7m

4 May 2026

Sierra logoSierraSeries D+ · AI · San Francisco · led by Tiger Global$950m