# ARX funding: rounds and investors

> ARX has raised $6.2M across 2 rounds since 2014. Investors include Inflection Point Ventures, Castle Island Ventures and 1kx. Every round with its source.

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

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

# Who invested in *ARX*

2 rounds we have observed, with the 3 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.

Web3 & Crypto

Raised 12 months ago

Funding summary Updated 26 Oct 2026

**$6.2M** raised across 2 rounds since 2014, from 2 sources

**$116K** Venture **$6.1M** Seed

- **Latest round:** Seed, $6.1M Nov 2025
- **Step-up i:** 52.7×
- **Investors:** 3

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.

2014 2016 2018 2020 2022 2024

**$116K** Venture

**$6.1M** Seed

- **First round:** Venture, $116K
- **Biggest round:** $6.1M
- **Between rounds:** 11.5 years

## The rounds

- **Nov 2025** Seed **$6.1M** *3 new* [Inflection Point Ventures](https://millionrounds.com/fund/inflection-point-ventures) [Castle Island Ventures](https://millionrounds.com/fund/castle-island-ventures) [1kx](https://millionrounds.com/fund/1kx) Source recorded
- **May 2014** Venture **$116K** No investor was named in the report. From a historical funding record

## 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.

**Venture** 2014 **Seed** 2025 [Inflection Point Ventures](https://millionrounds.com/fund/inflection-point-ventures) [Castle Island Ventures](https://millionrounds.com/fund/castle-island-ventures) [1kx](https://millionrounds.com/fund/1kx)

## Everyone who backed them

[Inflection Point Ventures](https://millionrounds.com/fund/inflection-point-ventures) VC firm **1** round

[Castle Island Ventures](https://millionrounds.com/fund/castle-island-ventures) VC firm **1** round

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

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

## Also claim to have backed them

These 3 firms list ARX 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.

[Inflection](https://millionrounds.com/fund/inflection-angel-list-syndicate) VC firm 2022, per its site

[Placeholder](https://millionrounds.com/fund/placeholder) VC firm Per its own site

[inflection.xyz](https://millionrounds.com/fund/inflection-xyz) VC firm 2022, per its site

## Quick answers about ARX

### Who invested in ARX?

ARX's investors include Inflection Point Ventures, Castle Island Ventures and 1kx.

### How much has ARX raised?

ARX has raised $6.2M across 2 rounds since 2014.

### When did ARX last raise?

ARX's most recent round was a Seed of $6.1M in Nov 2025.

### What was ARX's biggest round?

Its most recent round, $6.1M in Nov 2025, is also its largest on record.

### Who backed ARX first?

ARX's first round on record, in Nov 2025, was backed by Inflection Point Ventures, Castle Island Ventures and 1kx.

### What stage is ARX at?

ARX's latest named round is a Seed, in Nov 2025.

### Where is ARX based?

ARX is based in the United States.

## Companies like ARX

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

[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Arda** $233M · Oct 2026](https://millionrounds.com/company/arda)[**Binance.US** $300M · Oct 2026](https://millionrounds.com/company/binance-us)[**Fission** $10M · Oct 2026](https://millionrounds.com/company/fission)[**Ramp** $4.5B · Oct 2026](https://millionrounds.com/company/ramp)

## Find investors like these

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