# Haystack funding: rounds and investors > Haystack has raised $602K across 2 rounds since 2022. Investors include Y Combinator, SV Angel and BoxGroup. Every round with its source. Source: https://millionrounds.com/company/haystack (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Venture startup](https://millionrounds.com/companies) # Who invested in *Haystack* 2 rounds we have observed, with the 7 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. Data Infrastructure Funding summary Updated 26 Oct 2026 **$602K** raised across 2 rounds since 2022, from 2 sources - **Latest round:** Venture Jun 2025 - **Biggest round:** $602K Seed · Aug 2022 - **Investors:** 7 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. 2023 2024 2025 **$602K** Seed **?** Venture - **First round:** Seed, $602K - **Biggest round:** $602K - **Between rounds:** 2.8 years ## The rounds - **Jun 2025** Venture **Amount undisclosed** *5 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [SV Angel](https://millionrounds.com/fund/sv-angel) [BoxGroup](https://millionrounds.com/fund/boxgroup) [Greycroft](https://millionrounds.com/fund/greycroft) [Coatue](https://millionrounds.com/fund/coatue-management) Source recorded - **Aug 2022** Seed **$602K** *2 new* [Northstar Ventures](https://millionrounds.com/fund/northstar-ventures) [Mercia Tech](https://millionrounds.com/fund/mercia-tech) Source recorded ## 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** 2022 **Venture** 2025 [Y Combinator](https://millionrounds.com/fund/y-combinator) [SV Angel](https://millionrounds.com/fund/sv-angel) [BoxGroup](https://millionrounds.com/fund/boxgroup) [Greycroft](https://millionrounds.com/fund/greycroft) [Coatue](https://millionrounds.com/fund/coatue-management) [Northstar Ventures](https://millionrounds.com/fund/northstar-ventures) [Mercia Tech](https://millionrounds.com/fund/mercia-tech) ## Everyone who backed them [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round [SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round [BoxGroup](https://millionrounds.com/fund/boxgroup) VC firm **1** round [Greycroft](https://millionrounds.com/fund/greycroft) VC firm **1** round [Coatue](https://millionrounds.com/fund/coatue-management) VC firm **1** round [Northstar Ventures](https://millionrounds.com/fund/northstar-ventures) VC firm **1** round [Mercia Tech](https://millionrounds.com/fund/mercia-tech) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=haystack). ## Also claim to have backed them These 3 firms list Haystack 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. [Draft Ventures](https://millionrounds.com/fund/draft-ventures) VC firm Per its own site [OVNI Capital](https://millionrounds.com/fund/ovni-capital) VC firm Per its own site [Jetstream](https://millionrounds.com/fund/jetstream) VC firm Per its own site ## Quick answers about Haystack ### Who invested in Haystack? Haystack's investors include Y Combinator, SV Angel, BoxGroup, Greycroft and Coatue, and 2 more on record. ### How much has Haystack raised? Haystack has raised $602K across 2 rounds since 2022. One round did not disclose an amount, so the total is a floor. ### When did Haystack last raise? Haystack's most recent round was a Venture in Jun 2025. ### What was Haystack's biggest round? Haystack's largest round on record is $602K (Seed), in Aug 2022. ### Who backed Haystack first? Haystack's first round on record, in Aug 2022, was backed by Northstar Ventures and Mercia Tech. ### What stage is Haystack at? Haystack's latest named round is a Venture, in Jun 2025. ### Where is Haystack based? Haystack is based in the United Kingdom. ## Companies like Haystack In the same sector, and raised in the last eighteen months. [**Foundational** $19M · Oct 2026](https://millionrounds.com/company/foundational)[**PlayerData** $12M · May 2026](https://millionrounds.com/company/playerdata)[**SurrealDB** $44M · Feb 2026](https://millionrounds.com/company/surrealdb)[**Eolas Medical** $20M · Jan 2026](https://millionrounds.com/company/eolas-medical)[**Crisp** $108M · Dec 2025](https://millionrounds.com/company/crisp)[**Fragment** $22M · Oct 2026](https://millionrounds.com/company/fragment) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app