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Altos Ventures

Investor profile

Investment firm

Altos Ventures has backed 7 European tech companies across 9 funding rounds between 2016 and 2026, joining rounds totalling €61M. Most active in Software and Telecom. Data as of 4 Nov 2026.

Deals
9
distinct rounds
Companies
7
backed
Active span
2016–2026
11 yrs
Total round €
€61M
sum of rounds joined

Deals by year

distinct rounds / year
Altos Ventures — deals by year — interactive chart.
Data table
Altos Ventures — deals by year
20162
20181
20212
20252
20262

Top sectors

by deals
Altos Ventures — top sectors — interactive chart.
Data table
Altos Ventures — top sectors
Software6
Telecom2
Sports1
Healthtech1

Stages

by deals
Altos Ventures — stages — interactive chart.
Data table
Altos Ventures — stages
Other3
Series A2
Series C2
Growth/Late1
Series B1

Countries

by deals
Altos Ventures — countries — interactive chart.
Data table
Altos Ventures — countries
Estonia2
Sweden2
Switzerland2
Belarus1
Germany1
Spain1

Co-investment network

shared rounds
Co-investment network — interactive chart.
Altos Ventures — 9 dealsAltos VenturesVertex Ventures — 2 shared deals · click to openVertex VenturesArche Capital — 1 shared deals · click to openArche CapitalBetter Tomorrow Ventures (BTV) — 1 shared deals · click to openBetter Tomorrow Ventures (BTV)Borderless Capital — 1 shared deals · click to openBorderless CapitalData Collective — 1 shared deals · click to openData CollectiveDefinition — 1 shared deals · click to openDefinitionDialectic — 1 shared deals · click to openDialecticG Squared — 1 shared deals · click to openG SquaredGreycroft Partners — 1 shared deals · click to openGreycroft PartnersKorea Telekom — 1 shared deals · click to openKorea TelekomM12 — 1 shared deals · click to openM12North Island Ventures — 1 shared deals · click to openNorth Island VenturesOMERS Growth Equity — 1 shared deals · click to openOMERS Growth EquityOne Peak Partners — 1 shared deals · click to openOne Peak PartnersRembrandt Venture Partners — 1 shared deals · click to openRembrandt Venture PartnersRipple — 1 shared deals · click to openRippleScenius Capital — 1 shared deals · click to openScenius CapitalSEB Venture Capital — 1 shared deals · click to openSEB Venture Capital

Hover a node for shared-deal counts; click a co-investor to open its profile.

Best viewed on a larger screen.

Frequent co-investors

shared rounds

Portfolio

top 30 by total round €
CompanyCountryRoundsTotal €
SalsaSpain1€18M
TestlioEstonia2€16M
BeProGermany1€8.8M
QuartrSweden2€8.7M
SquidSwitzerland1€5.2M
ProteoMediXSwitzerland1€4.6M
PandaDocBelarus1€0

Biggest deals

top 10 by amount
CompanyStageAmountDate
SalsaSeries A€18M2025-04
TestlioSeries B€10M2021-10
BeProOther€8.8M2018-08
QuartrOther€8.7M2025-07
TestlioSeries A€5.5M2016-04
SquidOther€5.2M2026-05
ProteoMediXSeries C€4.6M2016-08
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