# WhiteSource funding: rounds and investors

> WhiteSource has raised $46M across 3 rounds since 2013. Investors include M12, David Strohm and 83North/ Microsoft. Every round with its source.

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

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

# Who invested in *WhiteSource*

3 rounds we have observed, with the 4 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

**$46M** raised across 3 rounds since 2013, from 3 sources

**$1.0M** Seed **$10M** Series B **$35M** Round

- **Latest round:** Round, $35M Oct 2018
- **Step-up i:** 3.5×
- **Investors:** 4

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.

2013 2014 2015 2016 2017 2018

**$1.0M** Seed

**$10M** Series B

**$35M** Round

- **First round:** Seed, $1.0M
- **Biggest round:** $35M
- **Usual gap between rounds:** 4.3 years

## The rounds

- **Oct 2018** Round **$35M** *2 new* [M12](https://millionrounds.com/fund/m12) Susquehanna Growth Equity/ 83North Reported by FinSMEs
- **Jun 2017** Series B **$10M** *2 new* [David Strohm](https://millionrounds.com/fund/david-strohm) 83North/ Microsoft Reported by FinSMEs
- **Mar 2013** Seed **$1.0M** No investor was named in the report. Reported by geektime.com

## 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.

**Seed** 2013 **Series B** 2017 **Round** 2018 [M12](https://millionrounds.com/fund/m12) [David Strohm](https://millionrounds.com/fund/david-strohm) 83North/ Microsoft Susquehanna Growth Equity/ 83North

## Everyone who backed them

[M12](https://millionrounds.com/fund/m12) Corporate VC **1** round

[David Strohm](https://millionrounds.com/fund/david-strohm) Angel **1** round

83North/ Microsoft no record of our own yet **1** round

Susquehanna Growth Equity/ 83North no record of our own yet **1** round

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

## Quick answers about WhiteSource

### Who invested in WhiteSource?

WhiteSource's investors include M12, David Strohm, 83North/ Microsoft and Susquehanna Growth Equity/ 83North.

### How much has WhiteSource raised?

WhiteSource has raised $46M across 3 rounds since 2013.

### When did WhiteSource last raise?

WhiteSource's most recent round was an Undisclosed round of $35M in Oct 2018.

### What was WhiteSource's biggest round?

Its most recent round, $35M in Oct 2018, is also its largest on record.

### Who backed WhiteSource first?

WhiteSource's first round on record, in Jun 2017, was backed by David Strohm and 83North/ Microsoft.

### What stage is WhiteSource at?

WhiteSource's latest named round is an Undisclosed round, in Oct 2018.

### Where is WhiteSource based?

WhiteSource is based in the United States.

## Companies like WhiteSource

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)

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