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Advent | RoundOS

01 · Free data roomBuild, share and track important documents.

Data room analytics Document Analytics Pitch Deck Tracking Secure sharing Permissions NDA & agreements Watermarking Versions Branding

View all Data Room features →

02 · AI Fundraising CRMRun the work between investor meetings.

Today & next moves Follow-up Investor research Investor CRM Investor updates Imports & sources

View all Operator features →

See it workingOpen a live roomWalk a real RoundOS room.

Pricing Security

Deal rooms

Startups Venture capital M&A data room Investor relations

Beyond fundraising

Sales deals Board documents Due diligence Real estate

Fundraising

Fundraising hub Pre-seed Seed Series A

Learn

Blog Funding Customer stories Investor room template

Compare

All alternatives Best free data rooms Best DocSend alternatives Digify alternative iDeals alternative

Free tools & templates

Calculators and fundraising tools. No signup.

SAFE, dilution, runway, pipeline coverage, investor fit.

Sign inExploreData Room AI Fundraising CRM Pricing Security Document Analytics Pitch Deck TrackingData Room featuresData room analytics Secure sharing Permissions NDA & agreements Watermarking Versions BrandingUse casesFundraising hub Startups Venture capital M&A data room Investor relations Sales deals Board documents Due diligence Real estate Pre-seed Seed Series AOperatorToday & next moves Follow-up Investor research Investor CRM Investor updates Imports & sourcesMoreCustomer stories All alternatives Best free data rooms Investor room template Free tools Blog Funding Integrations

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A

Advent

Activity from announced rounds

Activity in this selection View all activity

Activity in this selectionOct 4, 2026 · Robotics · Jan 1, 2026

Rounds participated in: 2
Confirmed lead rounds: —
New companies: 2
Funding in participating rounds: $1.8B

By stage

Series C+1

Undisclosed1

By primary sector

Defense tech2

By country

Germany2

Rounds

2 in this selection

Jul 2

Quantum Systems

Makes unmanned aerial and land drones for defence and military applications

$1.2BSeries D

Role not disclosed

Jun 23

Makes weaponised drones

€500MUndisclosed

Role not disclosed

1–2 of 2

Most frequent co-investors

201 Ventures1 shared Airbus1 shared Air Street Capital1 shared Blackstone1 shared Bond1 shared Döpfner Capital1 shared Elephant Lake Ventures1 shared Fidelity1 shared Noteus1 shared

RoundOS

A free data room for modern deals, with an AI operator that runs the fundraise.

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01 · Explore

Data Room AI Fundraising CRM Pricing Security Document Analytics Pitch Deck Tracking

02 · Data Room

Data room analytics Secure document sharing Data room permissions NDA & agreements Dynamic watermarking Document versions Custom branding

03 · Operator

Fundraising hub Pre-seed fundraising Seed fundraising Series A fundraising Fundraising follow-up Investor research Investor updates Integrations

04 · Use cases

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Peter Thiel's Founders Fund1 shared

Pitching Advent? Send the deck from a free RoundOS data room and see which pages they read.

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