# Immusoft funding: rounds and investors

> Immusoft has raised $29M across 6 rounds since 2012. Investors include Founders Fund, Alexandria Real Estate Equities and DEFTA Partners.

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

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

# Who invested in *Immusoft*

6 rounds we have observed, with the 10 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

Funding summary Updated 26 Oct 2026

**$29M** raised across 6 rounds since 2012, from 6 sources

**$350K** Grant **$2.4M** Series A **$375K** Debt **$2.7M** Round **$20M** Series B **$3.0M** Series B

- **Latest round:** Series B, $3.0M Jan 2018
- **Biggest round:** $20M Series B · Jan 2018
- **Investors:** 10

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.

2012 2013 2014 2015 2016 2017 2018

**$350K** Grant

**$2.4M** Series A

**$375K** Debt

**$2.7M** Round

**$20M** Series B

**$3.0M** Series B

- **First round:** Grant, $350K
- **Biggest round:** $20M
- **Usual gap between rounds:** 15 months

## The rounds

- **Jan 2018** Series B **$3.0M** *1 new* 600 Mile Challenge Fund Reported by FinSMEs SEC filing: $3.6M sold, first sale Jan 2018
- **Jan 2018** Series B **$20M** *5 new* [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [DEFTA Partners](https://millionrounds.com/fund/defta-partners) [RBV Capital](https://millionrounds.com/fund/rbv-capital) [Mesa Verde](https://millionrounds.com/fund/mesa-verde) Breakout Reported by FinSMEs SEC filing: $3.6M sold, first sale Jan 2018
- **Nov 2016** Round **$2.7M** *2 new* [Founders Fund](https://millionrounds.com/fund/founders-fund) Technium Partners Reported by FinSMEs SEC filing: $2.7M sold, first sale Oct 2016
- **Aug 2015** Debt **$375K** No investor was named in the report. From a historical funding record SEC filing: $375K sold, first sale Aug 2015
- **Aug 2014** Series A **$2.4M** *1 new* [FF Science](https://millionrounds.com/fund/ff-science) From a historical funding record SEC filing: $2.4M sold, first sale Aug 2014
- **Apr 2012** Grant **$350K** *1 new* [The Thiel Foundation](https://millionrounds.com/fund/the-thiel-foundation) Reported by finsmes.com

## Founders and team

From Immusoft's own website and the SEC filings it signed: 1 founder, 3 on the team.

**Matthew Scholz** Founder, Board Member *Named on its 2024 Form D*

- **Sean Ainsworth** Chief Executive Officer
- **Lou Arcudi** Chief Financial Officer
- **Julia Moore** Board Member

On the board, as filed i *Anthony Sun* *Cam Gallahger*

## 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.

**Grant** 2012 **Series A** 2014 **Debt** 2015 **Round** 2016 **Series B** 2018 **Series B** 2018 [Founders Fund](https://millionrounds.com/fund/founders-fund) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [DEFTA Partners](https://millionrounds.com/fund/defta-partners) [The Thiel Foundation](https://millionrounds.com/fund/the-thiel-foundation) [FF Science](https://millionrounds.com/fund/ff-science) [RBV Capital](https://millionrounds.com/fund/rbv-capital) [Mesa Verde](https://millionrounds.com/fund/mesa-verde) 600 Mile Challenge Fund Breakout Technium Partners

## Everyone who backed them

[Founders Fund](https://millionrounds.com/fund/founders-fund) VC firm **1** round

[Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) VC firm **1** round

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

[The Thiel Foundation](https://millionrounds.com/fund/the-thiel-foundation) Family office **1** round

[FF Science](https://millionrounds.com/fund/ff-science) VC firm **1** round

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

[Mesa Verde](https://millionrounds.com/fund/mesa-verde) Growth equity **1** round

600 Mile Challenge Fund no record of our own yet **1** round

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

Technium Partners 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=immusoft).

## Also claim to have backed them

These 7 firms list Immusoft 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.

[Boston Harbor Angels](https://millionrounds.com/fund/boston-harbor-angels) Angel network Per its own site

[Breakout Ventures](https://millionrounds.com/fund/breakout-ventures) VC firm Per its own site

[NYBC Ventures](https://millionrounds.com/fund/nybc-ventures) Corporate VC Per its own site

[Invariantes Fund](https://millionrounds.com/fund/invariantes-fund) VC firm Per its own site

[RV Invest](https://millionrounds.com/fund/rv-invest) VC firm Per its own site

[Global Source Ventures, LLC](https://millionrounds.com/fund/global-source-ventures-llc) VC firm Per its own site

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

## Quick answers about Immusoft

### Who invested in Immusoft?

Immusoft's investors include Founders Fund, Alexandria Real Estate Equities, DEFTA Partners, The Thiel Foundation and FF Science, and 5 more on record.

### How much has Immusoft raised?

Immusoft has raised $29M across 6 rounds since 2012.

### When did Immusoft last raise?

Immusoft's most recent round was a Series B of $3.0M in Jan 2018.

### What was Immusoft's biggest round?

Immusoft's largest round on record is $20M (Series B), in Jan 2018.

### Who backed Immusoft first?

Immusoft's first round on record, in Apr 2012, was backed by The Thiel Foundation.

### What stage is Immusoft at?

Immusoft's latest named round is a Series B, in Jan 2018.

### Where is Immusoft based?

Immusoft is based in the United States.

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

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