# Stacksync funding: rounds and investors

> Stacksync has raised $500K across 1 round since 2024. Investors include Y Combinator, Pioneer Fund and Eight Capital. Every round with its source.

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

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

# Who invested in *Stacksync*

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.

IT Services

Funding summary Updated 26 Oct 2026

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

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

See who backed them

## The rounds

- **Feb 2024** Pre-seed **$500K** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Eight Capital](https://millionrounds.com/fund/eight-capital) Source recorded

## Everyone who backed them

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

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

[Eight Capital](https://millionrounds.com/fund/eight-capital) Fund of funds **1** round

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

## Also claim to have backed them

These 2 firms list Stacksync 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.

[Motier Ventures](https://millionrounds.com/fund/motier-ventures) Family office Per its own site

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

## Quick answers about Stacksync

### Who invested in Stacksync?

Stacksync's investors include Y Combinator, Pioneer Fund and Eight Capital.

### How much has Stacksync raised?

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

### When did Stacksync last raise?

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

### What was Stacksync's biggest round?

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

### Who backed Stacksync first?

Stacksync's first round on record, in Feb 2024, was backed by Y Combinator, Pioneer Fund and Eight Capital.

### What stage is Stacksync at?

Stacksync's latest named round is a Pre-seed, in Feb 2024.

### Where is Stacksync based?

Stacksync is based in the United States.

## Companies like Stacksync

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

[**Chariot Claims** $23M · Oct 2026](https://millionrounds.com/company/chariot-claims)[**Subeca** $9.0M · Oct 2026](https://millionrounds.com/company/subeca)[**FlexCompute** $53M · Oct 2026](https://millionrounds.com/company/flexcompute)[**Negosh** $3.1M · Oct 2026](https://millionrounds.com/company/negosh)[**StarLifter** $4.0M · Oct 2026](https://millionrounds.com/company/starlifter)[**Litewave.AI** $1.7M · Oct 2026](https://millionrounds.com/company/litewave-ai)

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