# Mighty Buildings funding: rounds and investors

> Mighty Buildings has raised $52M across 1 round since 2023. Investors include Y Combinator, Alumni Ventures and SV Angel. Every round with its source.

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

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

# Who invested in *Mighty Buildings*

One round we have observed, with the 5 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.

Advanced Manufacturing

Funding summary Updated 26 Oct 2026

**$52M** raised across 1 round since 2023, from 1 source

- **Latest round:** Series B, $52M Sept 2023
- **Investors:** 5

See who backed them

## The rounds

- **Sept 2023** Series B **$52M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [SV Angel](https://millionrounds.com/fund/sv-angel) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Gaingels](https://millionrounds.com/fund/gaingels) Source recorded

## Everyone who backed them

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

[Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round

[SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round

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

[Gaingels](https://millionrounds.com/fund/gaingels) Private equity **1** round

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

## Also claim to have backed them

These 4 firms list Mighty Buildings 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.

[Ruvento](https://millionrounds.com/fund/ruvento) VC firm Per its own site

[Peak State Ventures](https://millionrounds.com/fund/peak-state-ventures) VC firm Per its own site

[Flucas Ventures](https://millionrounds.com/fund/flucas-ventures) Angel network Per its own site

[For Good Ventures](https://millionrounds.com/fund/for-good-ventures) VC firm Per its own site

## Quick answers about Mighty Buildings

### Who invested in Mighty Buildings?

Mighty Buildings's investors include Y Combinator, Alumni Ventures, SV Angel, Khosla Ventures and Gaingels.

### How much has Mighty Buildings raised?

Mighty Buildings has raised $52M across 1 round since 2023.

### When did Mighty Buildings last raise?

Mighty Buildings's most recent round was a Series B of $52M in Sept 2023.

### What was Mighty Buildings's biggest round?

Its most recent round, $52M in Sept 2023, is also its largest on record.

### Who backed Mighty Buildings first?

Mighty Buildings's first round on record, in Sept 2023, was backed by Y Combinator, Alumni Ventures and SV Angel and 2 others.

### What stage is Mighty Buildings at?

Mighty Buildings's latest named round is a Series B, in Sept 2023.

### Where is Mighty Buildings based?

Mighty Buildings is based in the United States.

## Companies like Mighty Buildings

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

[**Ultrasonium** Sept 2026](https://millionrounds.com/company/ultrasonium)[**BILT** $272M · Sept 2026](https://millionrounds.com/company/bilt)[**HopFlyt** $2.0M · Sept 2026](https://millionrounds.com/company/hopflyt)[**FluidForm Bio** $1.7M · Aug 2026](https://millionrounds.com/company/fluidform-bio)[**unspun** $42M · Aug 2026](https://millionrounds.com/company/unspun)[**Vntana** $5.3M · Jul 2026](https://millionrounds.com/company/vntana)

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