# Multifactor funding: rounds and investors

> Multifactor has raised $15M across 1 round since 2025. Investors include Nexus Venture Partners, Y Combinator and Liquid 2 Ventures.

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

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

# Who invested in *Multifactor*

One round we have observed, with the 9 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.

AI Cybersecurity

Raised 11 months ago

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Funding summary Updated 5 Nov 2026

**$15M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $15M Dec 2025
- **Led by:** Nexus Venture Partners
- **Investors:** 9 (1 led)

See who backed them

## The rounds

- **Dec 2025** Seed **$15M** [Nexus Venture Partners](https://millionrounds.com/fund/nexus-venture-partners) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Flex Capital](https://millionrounds.com/fund/flex-capital) [Ritual Capital](https://millionrounds.com/fund/ritual-capital) [Honeystone Ventures](https://millionrounds.com/fund/honeystone-ventures) [Taurus Ventures](https://millionrounds.com/fund/taurus-ventures) Reported by TechStartups

## Everyone who backed them

[Nexus Venture Partners](https://millionrounds.com/fund/nexus-venture-partners) VC firm **1** round, led 1

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) VC firm **1** round

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

[U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) VC firm **1** round

[Flex Capital](https://millionrounds.com/fund/flex-capital) VC firm **1** round

[Ritual Capital](https://millionrounds.com/fund/ritual-capital) VC firm **1** round

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

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

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

## Also claim to have backed them

These 2 firms list Multifactor as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Berkeley Frontier Fund](https://millionrounds.com/fund/berkeley-frontier-fund) VC firm Per its own site

[Spot VC](https://millionrounds.com/fund/spot-vc) VC firm Per its own site

## Quick answers about Multifactor

### Who invested in Multifactor?

Multifactor's investors include Nexus Venture Partners, Y Combinator, Liquid 2 Ventures, Pioneer Fund and U.S. Venture Partners, and 4 more on record. Nexus Venture Partners led its latest round.

### How much has Multifactor raised?

Multifactor has raised $15M across 1 round since 2025.

### When did Multifactor last raise?

Multifactor's most recent round was a Seed of $15M in Dec 2025, led by Nexus Venture Partners.

### What was Multifactor's biggest round?

Its most recent round, $15M in Dec 2025, is also its largest on record.

### Who backed Multifactor first?

Multifactor's first round on record, in Dec 2025, was backed by Nexus Venture Partners, Y Combinator and Liquid 2 Ventures and 6 others.

### What stage is Multifactor at?

Multifactor's latest named round is a Seed, in Dec 2025.

### Where is Multifactor based?

Multifactor is based in the United States.

### Who led Multifactor's rounds?

Nexus Venture Partners led the Seed in 2025.

## Companies like Multifactor

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

[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)[**Trajectory** $101M · Nov 2026](https://millionrounds.com/company/trajectory)

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