Germany · Series D startup
3 rounds we have observed, with the 16 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised 4 months agoValuation: $3.5B, Mar 2026
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Funding summaryUpdated 5 Nov 2026
$1.6Braised across 3 rounds since 2025, from 7 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Blackstone GroupLead
Advent InternationalLead
AirbusLead
Noteus PartnersLead
Balderton Capital
Fidelity
Wellington Management
European Investment Bank
HV Capital
Bond
Deutsche Bank
A.P. Moller CapitalReported by TechStartups and 2 others
Source recorded
Reported by Silicon Canals and 2 others
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
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These 9 firms list Quantum Systems as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quantum Systems's investors include Balderton Capital, European Investment Bank, HV Capital, Deutsche Bank and Blackstone Group, and 11 more on record. Blackstone Group led its latest round.
Quantum Systems has raised $1.6B across 3 rounds since 2025.
Quantum Systems's most recent round was a Series D of $1.2B in Jul 2026, led by Blackstone Group.
Its most recent round, $1.2B in Jul 2026, is also its largest on record.
Quantum Systems's first round on record, in Nov 2025, was backed by Balderton Capital, Notion Capital and Peter Thiel and 1 others.
Quantum Systems's latest named round is a Series D, in Jul 2026.
Quantum Systems is based in Germany.
Balderton Capital led the Series C in 2025; Blackstone Group led the Series D in 2026.
In the same sector, and raised in the last eighteen months.
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Germany · 
