# Thirty Madison funding: rounds and investors

> Thirty Madison has raised $17M across 2 rounds since 2018. Investors include Maveron, Y Combinator and Gaingels. Every round with its source.

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

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

# Who invested in *Thirty Madison*

2 rounds we have observed, with the 14 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.

Biotech Healthcare

Valuation: $1.0B, Oct 2024

Funding summary Updated 26 Oct 2026

**$17M** raised across 2 rounds since 2018, from 2 sources

**$15M** Series A **$1.3M** Secondary

- **Latest round:** Secondary, $1.3M Apr 2024
- **Biggest round:** $15M Series A · Oct 2018
- **Investors:** 14

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.

2019 2020 2021 2022 2023 2024

**$15M** Series A

**$1.3M** Secondary

- **First round:** Series A, $15M
- **Biggest round:** $15M
- **Between rounds:** 5.5 years

## The rounds

- **Apr 2024** Secondary **$1.3M** *6 new* *1 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Gaingels](https://millionrounds.com/fund/gaingels) [First Round Capital](https://millionrounds.com/fund/first-round-capital) [Greycroft](https://millionrounds.com/fund/greycroft) [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Maveron](https://millionrounds.com/fund/maveron) [Northzone](https://millionrounds.com/fund/northzone) Source recorded
- **Oct 2018** Series A **$15M** *8 new* [Maveron](https://millionrounds.com/fund/maveron) [Era](https://millionrounds.com/fund/era) [Two River](https://millionrounds.com/fund/two-river) Ben Cogan Divya Gugnani HillCour Northzone/ Greycroft Steadfast Reported by FinSMEs

## Founders and team

From the SEC filings it signed: 1 on the team.

- **Steven Craig Gutentag** Executive Officer, Director i

On the board, as filed i *Amy Michael Schulman* *Andrew Michael Weissman* *Demetrius Michael Karagas* *Jason Michael Stoffer* *Randy Michael Scott* *Regina Michael Benjamin*

## 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.

**Series A** 2018 **Secondary** 2024 [Maveron](https://millionrounds.com/fund/maveron) [Y Combinator](https://millionrounds.com/fund/y-combinator) [Gaingels](https://millionrounds.com/fund/gaingels) [First Round Capital](https://millionrounds.com/fund/first-round-capital) [Greycroft](https://millionrounds.com/fund/greycroft) [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Northzone](https://millionrounds.com/fund/northzone) [Era](https://millionrounds.com/fund/era) [Two River](https://millionrounds.com/fund/two-river) Ben Cogan

## Everyone who backed them

[Maveron](https://millionrounds.com/fund/maveron) VC firm **2** rounds

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

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

[First Round Capital](https://millionrounds.com/fund/first-round-capital) VC firm **1** round

[Greycroft](https://millionrounds.com/fund/greycroft) VC firm **1** round

[Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **1** round

[Northzone](https://millionrounds.com/fund/northzone) VC firm **1** round

[Era](https://millionrounds.com/fund/era) Family office **1** round

[Two River](https://millionrounds.com/fund/two-river) VC firm **1** round

Ben Cogan no record of our own yet **1** round

Divya Gugnani no record of our own yet **1** round

HillCour no record of our own yet **1** round

Northzone/ Greycroft no record of our own yet **1** round

Steadfast 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=thirty-madison).

## Also claim to have backed them

These 4 firms list Thirty Madison 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.

[Rosecliff Ventures](https://millionrounds.com/fund/rosecliff) VC firm Per its own site

[Imaginary Ventures](https://millionrounds.com/fund/imaginary) VC firm Per its own site

[Audrey Capital](https://millionrounds.com/fund/audrey-capital) VC firm Per its own site

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

## Quick answers about Thirty Madison

### Who invested in Thirty Madison?

Thirty Madison's investors include Maveron, Y Combinator, Gaingels, First Round Capital and Greycroft, and 9 more on record.

### How much has Thirty Madison raised?

Thirty Madison has raised $17M across 2 rounds since 2018.

### When did Thirty Madison last raise?

Thirty Madison's most recent round was a Secondary of $1.3M in Apr 2024.

### What was Thirty Madison's biggest round?

Thirty Madison's largest round on record is $15M (Series A), in Oct 2018.

### Who backed Thirty Madison first?

Thirty Madison's first round on record, in Oct 2018, was backed by Maveron, Era and Two River and 5 others.

### What stage is Thirty Madison at?

Thirty Madison's latest named round is a Secondary, in Apr 2024.

### Where is Thirty Madison based?

Thirty Madison is based in the United States.

## Companies like Thirty Madison

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)

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