# Clumio funding: rounds and investors

> Clumio has raised $261M across 3 rounds since 2019. Investors include Index Ventures, Sutter Hill Ventures and Altimeter. Every round with its source.

Source: https://millionrounds.com/company/clumio (Millionrounds; every figure on the page links to its filing or article)

United States · [Series D startup](https://millionrounds.com/companies)

# Who invested in *Clumio*

3 rounds we have observed, with the 5 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.

Cybersecurity

Funding summary Updated 26 Oct 2026

**$261M** raised across 3 rounds since 2019, from 3 sources

**$51M** Round **$135M** Series C **$75M** Series D

- **Latest round:** Series D, $75M Feb 2024
- **Biggest round:** $135M Series C · Nov 2019
- **Investors:** 5 (3 led)

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2020 2021 2022 2023 2024

**$51M** Round

**$135M** Series C

**$75M** Series D

- **First round:** Round, $51M
- **Biggest round:** $135M
- **Usual gap between rounds:** 4.2 years

## The rounds

- **Feb 2024** Series D **$75M** *1 new* *1 returning* [Index Ventures](https://millionrounds.com/fund/index-ventures) [Human Capital](https://millionrounds.com/fund/human-capital-2) Source recorded
- **Nov 2019** Series C **$135M** *1 new* *2 returning* [Sutter Hill Ventures](https://millionrounds.com/fund/sutter-hill-ventures) Lead [Altimeter](https://millionrounds.com/fund/altimeter-capital) Lead [Index Ventures](https://millionrounds.com/fund/index-ventures) Reported by FinSMEs
- **Aug 2019** Round **$51M** *3 new* [Index Ventures](https://millionrounds.com/fund/index-ventures) Lead [Sutter Hill Ventures](https://millionrounds.com/fund/sutter-hill-ventures) Lead [Mark Leslie](https://millionrounds.com/fund/mark-leslie) Reported by FinSMEs

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Round** 2019 **Series C** 2019 **Series D** 2024 [Index Ventures](https://millionrounds.com/fund/index-ventures) L [Sutter Hill Ventures](https://millionrounds.com/fund/sutter-hill-ventures) L L [Altimeter](https://millionrounds.com/fund/altimeter-capital) L [Human Capital](https://millionrounds.com/fund/human-capital-2) [Mark Leslie](https://millionrounds.com/fund/mark-leslie)

## Everyone who backed them

[Index Ventures](https://millionrounds.com/fund/index-ventures) VC firm **3** rounds, led 1

[Sutter Hill Ventures](https://millionrounds.com/fund/sutter-hill-ventures) VC firm **2** rounds, led 2

[Altimeter](https://millionrounds.com/fund/altimeter-capital) VC firm **1** round, led 1

[Human Capital](https://millionrounds.com/fund/human-capital-2) Growth equity **1** round

[Mark Leslie](https://millionrounds.com/fund/mark-leslie) Angel **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=clumio).

## Also claim to have backed them

This firm lists Clumio as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Human Capital](https://millionrounds.com/fund/human-capital) VC firm Per its own site

## Quick answers about Clumio

### Who invested in Clumio?

Clumio's investors include Index Ventures, Sutter Hill Ventures, Altimeter, Human Capital and Mark Leslie.

### How much has Clumio raised?

Clumio has raised $261M across 3 rounds since 2019.

### When did Clumio last raise?

Clumio's most recent round was a Series D of $75M in Feb 2024.

### What was Clumio's biggest round?

Clumio's largest round on record is $135M (Series C), in Nov 2019, led by Sutter Hill Ventures.

### Who backed Clumio first?

Clumio's first round on record, in Aug 2019, was backed by Index Ventures, Sutter Hill Ventures and Mark Leslie.

### What stage is Clumio at?

Clumio's latest named round is a Series D, in Feb 2024.

### Where is Clumio based?

Clumio is based in the United States.

### Who led Clumio's rounds?

Index Ventures led the Undisclosed round in 2019; Sutter Hill Ventures led the Series C in 2019.

## Companies like Clumio

In the same sector, and raised in the last eighteen months.

[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Opsin** $21M · Oct 2026](https://millionrounds.com/company/opsin)[**Harmonic Security** $68M · Oct 2026](https://millionrounds.com/company/harmonic-security)[**Reach Security** $60M · Oct 2026](https://millionrounds.com/company/reach-security)[**Persona** $210M · Oct 2026](https://millionrounds.com/company/persona)[**Hilt** $4.7M · Oct 2026](https://millionrounds.com/company/hilt)

## Find investors like these

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