# Phosphorus Cybersecurity funding: rounds and investors

> Phosphorus Cybersecurity has raised across 1 round since 2025. Investors include MassMutual Ventures, Evolution Equity Partners and SYN Ventures.

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

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

# Who invested in *Phosphorus Cybersecurity*

One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Enterprise Software

Funding summary Updated 26 Oct 2026

**Undisclosed** raised across 1 round since 2025, from 1 source

- **Latest round:** Venture Apr 2025
- **Investors:** 3

See who backed them

## The rounds

- **Apr 2025** Venture **Amount undisclosed** [MassMutual Ventures](https://millionrounds.com/fund/massmutual-ventures) [Evolution Equity Partners](https://millionrounds.com/fund/evolution-equity-partners) [SYN Ventures](https://millionrounds.com/fund/syn-ventures) Source recorded

## Founders and team

From the SEC filings it signed: 3 on the team.

- **Christopher Rouland** Executive Officer, Director i
- **Earle Ady** Executive Officer, Director i
- **Martin LeRoy** Executive Officer i

On the board, as filed i *Arthur Coviello* *Charles Andros* *JR Smith*

## Everyone who backed them

[MassMutual Ventures](https://millionrounds.com/fund/massmutual-ventures) VC firm **1** round

[Evolution Equity Partners](https://millionrounds.com/fund/evolution-equity-partners) VC firm **1** round

[SYN Ventures](https://millionrounds.com/fund/syn-ventures) VC firm **1** round

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

## Quick answers about Phosphorus Cybersecurity

### Who invested in Phosphorus Cybersecurity?

Phosphorus Cybersecurity's investors include MassMutual Ventures, Evolution Equity Partners and SYN Ventures.

### How much has Phosphorus Cybersecurity raised?

Phosphorus Cybersecurity has raised 1 round since 2025, none with a disclosed amount.

### When did Phosphorus Cybersecurity last raise?

Phosphorus Cybersecurity's most recent round was a Venture in Apr 2025.

### Who backed Phosphorus Cybersecurity first?

Phosphorus Cybersecurity's first round on record, in Apr 2025, was backed by MassMutual Ventures, Evolution Equity Partners and SYN Ventures.

### What stage is Phosphorus Cybersecurity at?

Phosphorus Cybersecurity's latest named round is a Venture, in Apr 2025.

### Where is Phosphorus Cybersecurity based?

Phosphorus Cybersecurity is based in the United States.

## Companies like Phosphorus Cybersecurity

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

[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**AuxoAI** $21M · Oct 2026](https://millionrounds.com/company/auxoai)[**Qualitate** $32M · Oct 2026](https://millionrounds.com/company/qualitate)[**RapidCanvas** $53M · Oct 2026](https://millionrounds.com/company/rapidcanvas)[**Labelbox** $224M · Oct 2026](https://millionrounds.com/company/labelbox)[**Albert** $57M · Oct 2026](https://millionrounds.com/company/albert)

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