# Ark funding: rounds and investors > Ark has raised $18M across 5 rounds since 2007. Investors include Y Combinator, Andreessen Horowitz and Greylock. Every round with its source. Source: https://millionrounds.com/company/ark (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Ark* 5 rounds we have observed, with the 24 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. IT Services Raised 2 months ago Y Combinator: W12 Funding summary Updated 26 Oct 2026 **$18M** raised across 5 rounds since 2007, from 5 sources **$250K** Seed **$4.2M** Seed **$5.0M** Seed **$8.3M** Series A - **Latest round:** Series A, $8.3M Sept 2026 - **Step-up i:** 1.7× - **Investors:** 24 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. 2007 2010 2013 2016 2019 2022 2025 **?** Seed **$250K** Seed **$4.2M** Seed **$8.3M** Series A - **First round:** Seed - **Biggest round:** $8.3M - **Usual gap between rounds:** 4.8 years ## The rounds - **Sept 2026** Series A **$8.3M** *4 new* [Japan Finance Corporation](https://millionrounds.com/fund/japan-finance-corporation) [Beyond Next Ventures](https://millionrounds.com/fund/beyond-next-ventures-inc) [UntroD Capital](https://millionrounds.com/fund/untrod-capital) [Resona Bank](https://millionrounds.com/fund/resona-bank) Source recorded - **Apr 2012** Seed **$5.0M** *10 new* *5 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [SV Angel](https://millionrounds.com/fund/sv-angel) [Intel Capital](https://millionrounds.com/fund/intel-capital) [Greylock](https://millionrounds.com/fund/greylock-partners) [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) [Felicis](https://millionrounds.com/fund/felicis-ventures) [CRV](https://millionrounds.com/fund/crv) [Tengxun Touzi](https://millionrounds.com/fund/tengxun-touzi) [Atlas Venture](https://millionrounds.com/fund/atlas-venture) [Crosslink Capital](https://millionrounds.com/fund/crosslink-capital) [Lightbank](https://millionrounds.com/fund/lightbank) [Expansion Venture Capital](https://millionrounds.com/fund/expansion-venture-capital) [Transmedia Capital](https://millionrounds.com/fund/transmedia-capital) [Ryan Allis](https://millionrounds.com/fund/ryan-allis) Reported by techcrunch.com - **Apr 2012** Seed **$4.2M** *5 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Greylock](https://millionrounds.com/fund/greylock-partners) [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) [Felicis](https://millionrounds.com/fund/felicis-ventures) From a historical funding record - **Nov 2011** Seed **$250K** *5 new* [Ron Conway](https://millionrounds.com/fund/ron-conway) [Yuri Milner](https://millionrounds.com/fund/yuri-milner) Brian Coote Michael Schmidt Stuart Hunter From a historical funding record - **Jan 2007** Seed **Amount undisclosed** No investor was named in the report. From a historical funding record ## Founders and team From Ark's own website: 1 founder. **Ariel Katz** Founder & CEO, H1 ## 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** 2007 **Seed** 2011 **Seed** 2012 **Seed** 2012 **Series A** 2026 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Greylock](https://millionrounds.com/fund/greylock-partners) [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) [Felicis](https://millionrounds.com/fund/felicis-ventures) [SV Angel](https://millionrounds.com/fund/sv-angel) [Intel Capital](https://millionrounds.com/fund/intel-capital) [CRV](https://millionrounds.com/fund/crv) [Tengxun Touzi](https://millionrounds.com/fund/tengxun-touzi) [Atlas Venture](https://millionrounds.com/fund/atlas-venture) ## Everyone who backed them [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **2** rounds [Greylock](https://millionrounds.com/fund/greylock-partners) VC firm **2** rounds [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) Corporate VC **2** rounds [Felicis](https://millionrounds.com/fund/felicis-ventures) VC firm **2** rounds [SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round [Intel Capital](https://millionrounds.com/fund/intel-capital) Corporate VC **1** round [CRV](https://millionrounds.com/fund/crv) VC firm **1** round [Tengxun Touzi](https://millionrounds.com/fund/tengxun-touzi) VC firm **1** round [Atlas Venture](https://millionrounds.com/fund/atlas-venture) VC firm **1** round [Crosslink Capital](https://millionrounds.com/fund/crosslink-capital) VC firm **1** round [Japan Finance Corporation](https://millionrounds.com/fund/japan-finance-corporation) Investment firm **1** round [Lightbank](https://millionrounds.com/fund/lightbank) VC firm **1** round [Ron Conway](https://millionrounds.com/fund/ron-conway) Angel **1** round [Yuri Milner](https://millionrounds.com/fund/yuri-milner) VC firm **1** round [Expansion Venture Capital](https://millionrounds.com/fund/expansion-venture-capital) VC firm **1** round [Transmedia Capital](https://millionrounds.com/fund/transmedia-capital) VC firm **1** round [Beyond Next Ventures](https://millionrounds.com/fund/beyond-next-ventures-inc) Accelerator **1** round [UntroD Capital](https://millionrounds.com/fund/untrod-capital) VC firm **1** round [Resona Bank](https://millionrounds.com/fund/resona-bank) VC firm **1** round [Ryan Allis](https://millionrounds.com/fund/ryan-allis) Angel **1** round Brian Coote no record of our own yet **1** round Michael Schmidt no record of our own yet **1** round Stuart Hunter 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=ark). ## Quick answers about Ark ### Who invested in Ark? Ark's investors include Y Combinator, Andreessen Horowitz, Greylock, Salesforce Ventures and Felicis, and 19 more on record. ### How much has Ark raised? Ark has raised $18M across 5 rounds since 2007. One round did not disclose an amount, so the total is a floor. ### When did Ark last raise? Ark's most recent round was a Series A of $8.3M in Sept 2026. ### What was Ark's biggest round? Its most recent round, $8.3M in Sept 2026, is also its largest on record. ### Who backed Ark first? Ark's first round on record, in Nov 2011, was backed by Ron Conway, Yuri Milner and Brian Coote and 2 others. ### What stage is Ark at? Ark's latest named round is a Series A, in Sept 2026. ### Where is Ark based? Ark is based in the United States. ## Companies like Ark 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) ## 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