# Nexus Systems funding: rounds and investors

> Nexus Systems has raised $28M across 1 round since 2016. Investors include Mainsail Partners. Every round with its source.

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

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

# Who invested in *Nexus Systems*

One round we have observed, with the one investor 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.

Fintech

Funding summary Updated 26 Oct 2026

**$28M** raised across 1 round since 2016, from 1 source

- **Latest round:** Round, $28M Oct 2016
- **Investors:** 1

See who backed them

## The rounds

- **Oct 2016** Round **$28M** [Mainsail Partners](https://millionrounds.com/fund/mainsail-partners) Reported by Wdrb SEC filing: $28M sold, first sale Sept 2016

## Everyone who backed them

[Mainsail Partners](https://millionrounds.com/fund/mainsail-partners) Private equity **1** round

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

## Quick answers about Nexus Systems

### Who invested in Nexus Systems?

Nexus Systems's investors include Mainsail Partners.

### How much has Nexus Systems raised?

Nexus Systems has raised $28M across 1 round since 2016.

### When did Nexus Systems last raise?

Nexus Systems's most recent round was an Undisclosed round of $28M in Oct 2016.

### What was Nexus Systems's biggest round?

Its most recent round, $28M in Oct 2016, is also its largest on record.

### Who backed Nexus Systems first?

Nexus Systems's first round on record, in Oct 2016, was backed by Mainsail Partners.

### What stage is Nexus Systems at?

Nexus Systems's latest named round is an Undisclosed round, in Oct 2016.

### Where is Nexus Systems based?

Nexus Systems is based in the United States.

## Companies like Nexus Systems

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

[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Coast** $77M · Oct 2026](https://millionrounds.com/company/coast)[**Whop** $400M · Oct 2026](https://millionrounds.com/company/whop)[**CapitalOS** $52M · Oct 2026](https://millionrounds.com/company/capitalos)[**Gradient** $24M · Oct 2026](https://millionrounds.com/company/gradient)

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