# Digital Horizon (slim)

> Digital Horizon's investments in AI tools on Anchor Terminal, Ably Realtime Ltd, with each listing's grade and the founders behind it.

- Full: https://www.anchorterminal.com/investors/digital-horizon/index.md (~450 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/investors/digital-horizon/index.json · canonical https://www.anchorterminal.com/investors/digital-horizon/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Venture firm.

## Companies on Anchor Terminal

- **Ably Realtime Ltd**, Series B, June 2021
  - [Ably](https://www.anchorterminal.com/tools/ably.md), graded BB, 75.2/100
  - Source: https://www.insightpartners.com/ideas/ably-announces-70-million-series-b-funding-from-insight-partners-and-dawn-capital/

## Where they invest

- Event delivery & webhooks, 1

## Founders they backed

- [Matthew O’Riordan](https://www.anchorterminal.com/people/matthew-o-riordan/), Ably Realtime Ltd
- [Paddy Byers](https://www.anchorterminal.com/people/paddy-byers/), Ably Realtime Ltd

## Questions

### Which AI tools has Digital Horizon invested in?

Anchor Terminal lists Ably Realtime Ltd backed by Digital Horizon.

### How are Digital Horizon's companies graded?

On Anchor Terminal's benchmark, Ably (BB, 75.2).

Investors are named from the companies' own announcements, the investors' own pages, Y Combinator's company pages, public filings and news reports of a round, each with its source.