May 4 – 10, 2026 Startup Funding Weekly

4 European funding rounds and $459.2M disclosed. QuantWare leads the edition; explore the companies, investors and stage breakdown.

· RoundOS Funding
May 4–May 10, 2026 · 4 announced rounds
4Funding rounds
$459.2MDisclosed capital · 4 rounds
$113.3MMedian disclosed round
01 / The takeaways

The funding announcements

01

QuantWare leads disclosed funding

Its $177.6M round represents 39% of the $459.2M disclosed across this edition. QuantWare engages in designing, developing, and fabricating hardware to enable quantum computing.

02

Deeptech: 3 rounds

eleQtron, Quantum Motion, QuantWare are among the companies in the most active sector by number of rounds in this edition.

03

1 early-stage rounds

Pre-seed, seed and Series A account for 1 of the 4 announcements. These rounds total $66.6M in disclosed funding.

02 / The full selection

All funding rounds

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4 rounds · $459.2M disclosed · $113.3M median

Startup funding rounds
CompanyAmountStage / sectorLead investorAnnounced
Quantum Motion

Development of silicon quantum processors.

$160MSeries C+
Deeptech
—
eleQtron

Develops, produces, operates and markets computing time on ion trap-based quantum computers.

€57MSeries A
Deeptech
—
QuantWare

QuantWare engages in designing, developing, and fabricating hardware to enable quantum computing.

€152MSeries B
Deeptech
—
Smartness

Smartness eventually expanded its offering from intelligent pricing management into CRM, payments, a property management system, guest communication, and operational AI solutions.

€47MSeries B
Travel
—

Development of silicon quantum processors.

Series C+ · Deeptech
eleQtron€57M

Develops, produces, operates and markets computing time on ion trap-based quantum computers.

Series A · Deeptech
QuantWare€152M

QuantWare engages in designing, developing, and fabricating hardware to enable quantum computing.

Series B · Deeptech
Smartness€47M

Smartness eventually expanded its offering from intelligent pricing management into CRM, payments, a property management system, guest communication, and operational AI solutions.

Series B · Travel
03 / Further reading

Related reports

monthly briefing

May 2026 Startup Funding Report

47 European funding rounds and $4.1B disclosed. Isomorphic Labs leads the edition; explore the companies, investors and stage breakdown.