# Pypestream funding: rounds and investors

> Pypestream has raised $22M across 3 rounds since 2015. Investors include Plug and Play, Jonah Goodhart and Michael Walrath. Every round with its source.

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

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

# Who invested in *Pypestream*

3 rounds we have observed, with the 11 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.

AI

Funding summary Updated 26 Oct 2026

**$22M** raised across 3 rounds since 2015, from 3 sources

**$2.0M** Seed **$15M** Round **$4.7M** Venture

- **Latest round:** Venture, $4.7M Jul 2021
- **Biggest round:** $15M Round · Mar 2017
- **Investors:** 11

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.

2016 2017 2018 2019 2020 2021

**$2.0M** Seed

**$15M** Round

**$4.7M** Venture

- **First round:** Seed, $2.0M
- **Biggest round:** $15M
- **Usual gap between rounds:** 4.3 years

## The rounds

- **Jul 2021** Venture **$4.7M** *1 new* [Plug and Play](https://millionrounds.com/fund/plug-and-play) Source recorded SEC filing: $4.7M sold, first sale Jul 2021
- **Mar 2017** Round **$15M** *2 new* Chatterjee Group Rick Braddock Reported by FinSMEs SEC filing: $2.4M sold, first sale Jan 2017
- **Oct 2015** Seed **$2.0M** *8 new* [Jonah Goodhart](https://millionrounds.com/fund/jonah-goodhart) [Michael Walrath](https://millionrounds.com/fund/michael-walrath) [Michael LaJoie](https://millionrounds.com/fund/michael-lajoie) [SouthWinston](https://millionrounds.com/fund/southwinston) Jim Ellsworth Rick Sirvaitis Tim Calveley Trevor Harris From a historical funding record SEC filing: $1.1M sold, first sale Sept 2015

## 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.

**Seed** 2015 **Round** 2017 **Venture** 2021 [Plug and Play](https://millionrounds.com/fund/plug-and-play) [Jonah Goodhart](https://millionrounds.com/fund/jonah-goodhart) [Michael Walrath](https://millionrounds.com/fund/michael-walrath) [Michael LaJoie](https://millionrounds.com/fund/michael-lajoie) [SouthWinston](https://millionrounds.com/fund/southwinston) Chatterjee Group Jim Ellsworth Rick Braddock Rick Sirvaitis Tim Calveley

## Everyone who backed them

[Plug and Play](https://millionrounds.com/fund/plug-and-play) Accelerator **1** round

[Jonah Goodhart](https://millionrounds.com/fund/jonah-goodhart) VC firm **1** round

[Michael Walrath](https://millionrounds.com/fund/michael-walrath) VC firm **1** round

[Michael LaJoie](https://millionrounds.com/fund/michael-lajoie) Angel **1** round

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

Chatterjee Group no record of our own yet **1** round

Jim Ellsworth no record of our own yet **1** round

Rick Braddock no record of our own yet **1** round

Rick Sirvaitis no record of our own yet **1** round

Tim Calveley no record of our own yet **1** round

Trevor Harris 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=pypestream).

## Also claim to have backed them

This firm lists Pypestream as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Riverside Acceleration Capital](https://millionrounds.com/fund/riverside-acceleration-capital) Growth equity Per its own site

## Quick answers about Pypestream

### Who invested in Pypestream?

Pypestream's investors include Plug and Play, Jonah Goodhart, Michael Walrath, Michael LaJoie and SouthWinston, and 6 more on record.

### How much has Pypestream raised?

Pypestream has raised $22M across 3 rounds since 2015.

### When did Pypestream last raise?

Pypestream's most recent round was a Venture of $4.7M in Jul 2021.

### What was Pypestream's biggest round?

Pypestream's largest round on record is $15M (Undisclosed round), in Mar 2017.

### Who backed Pypestream first?

Pypestream's first round on record, in Oct 2015, was backed by Jonah Goodhart, Michael Walrath and Michael LaJoie and 5 others.

### What stage is Pypestream at?

Pypestream's latest named round is a Venture, in Jul 2021.

### Where is Pypestream based?

Pypestream is based in the United States.

## Companies like Pypestream

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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