# XN (slim)

> XN's investments in AI tools on Anchor Terminal, Formagrid Inc (Airtable), Anthropic and Anthropic, PBC, with each listing's grade and the founders behind it.

- Full: https://www.anchorterminal.com/investors/xn/index.md (~850 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/investors/xn/index.json · canonical https://www.anchorterminal.com/investors/xn/
- 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.

Website: https://www.xnlp.com

## Companies on Anchor Terminal

- **Formagrid Inc (Airtable)**, Series F, December 2021, led a round
  - [Airtable](https://www.anchorterminal.com/tools/airtable.md), graded BB, 70.9/100
  - Source: https://www.airtable.com/newsroom/company/series-f
- **Anthropic**, Series F, September 2025, Series G, February 2026, Series H, May 2026, led a round
  - [Claude API](https://www.anchorterminal.com/tools/anthropic-api.md), graded BB, 77.3/100
  - [Claude Agent SDK](https://www.anchorterminal.com/tools/claude-agent-sdk.md), graded BB, 70.1/100
  - [Claude Code](https://www.anchorterminal.com/tools/claude-code.md), graded C, 59.9/100
  - Source: https://www.anthropic.com/news/anthropic-raises-series-f-at-usd183b-post-money-valuation
- **Anthropic, PBC**, Series F, September 2025, Series G, February 2026, Series H, May 2026, led a round
  - [Claude Duet](https://www.anchorterminal.com/tools/claude-duet.md), graded F, 17.9/100
  - Source: https://www.anthropic.com/news/anthropic-raises-series-f-at-usd183b-post-money-valuation

## Where they invest

- Spreadsheets & operational tables, 1
- Model APIs & inference, 1
- Agent frameworks & SDKs, 1
- Agent harnesses, 1
- Personal assistants, 1

## Founders they backed

- [Howie Liu](https://www.anchorterminal.com/people/howie-liu/), Formagrid Inc (Airtable)
- [Dario Amodei](https://www.anchorterminal.com/people/dario-amodei/), Anthropic
- [Daniela Amodei](https://www.anchorterminal.com/people/daniela-amodei/), Anthropic
- [Tom Brown](https://www.anchorterminal.com/people/tom-brown/), Anthropic
- [Jack Clark](https://www.anchorterminal.com/people/jack-clark/), Anthropic
- [Jared Kaplan](https://www.anchorterminal.com/people/jared-kaplan/), Anthropic
- [Sam McCandlish](https://www.anchorterminal.com/people/sam-mccandlish/), Anthropic
- [Chris Olah](https://www.anchorterminal.com/people/chris-olah/), Anthropic
- [Karan Ahuja](https://www.anchorterminal.com/people/karan-ahuja/), Anthropic, PBC

## Questions

### Which AI tools has XN invested in?

Anchor Terminal lists Formagrid Inc (Airtable), Anthropic and Anthropic, PBC backed by XN.

### How are XN's companies graded?

On Anchor Terminal's benchmark, Airtable (BB, 70.9), Claude API (BB, 77.3), Claude Agent SDK (BB, 70.1), Claude Code (C, 59.9) and Claude Duet (F, 17.9).

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.