# Offstream funding: rounds and investors

> Offstream has raised $500K across 1 round since 2024. Investors include Y Combinator, FundersClub and Ponderosa Ventures. Every round with its source.

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

United States · [Pre-seed startup](https://millionrounds.com/companies)

# Who invested in *Offstream*

One round we have observed, with the 3 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.

Climate Tech

Funding summary Updated 26 Oct 2026

**$500K** raised across 1 round since 2024, from 1 source

- **Latest round:** Pre-seed, $500K Sept 2024
- **Investors:** 3

See who backed them

## The rounds

- **Sept 2024** Pre-seed **$500K** [Y Combinator](https://millionrounds.com/fund/y-combinator) [FundersClub](https://millionrounds.com/fund/fundersclub) [Ponderosa Ventures](https://millionrounds.com/fund/ponderosa-ventures) Source recorded

## Founders and team

From Offstream's own website: 2 founders.

**Varsha Ramesh Walsh** CEO and Co-Founder

**Zach Janicki** CTO and Co-Founder

## Everyone who backed them

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

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

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

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

## Also claim to have backed them

These 2 firms list Offstream 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.

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

[Cool Climate Collective](https://millionrounds.com/fund/cool-climate-collective) Angel network Per its own site

## Quick answers about Offstream

### Who invested in Offstream?

Offstream's investors include Y Combinator, FundersClub and Ponderosa Ventures.

### How much has Offstream raised?

Offstream has raised $500K across 1 round since 2024.

### When did Offstream last raise?

Offstream's most recent round was a Pre-seed of $500K in Sept 2024.

### What was Offstream's biggest round?

Its most recent round, $500K in Sept 2024, is also its largest on record.

### Who backed Offstream first?

Offstream's first round on record, in Sept 2024, was backed by Y Combinator, FundersClub and Ponderosa Ventures.

### What stage is Offstream at?

Offstream's latest named round is a Pre-seed, in Sept 2024.

### Where is Offstream based?

Offstream is based in the United States.

## Companies like Offstream

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Kodama** $7.0M · Oct 2026](https://millionrounds.com/company/kodama)[**Stand** $105M · Oct 2026](https://millionrounds.com/company/stand)

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