Ineffable Intelligence
Valuation
$5.1B
Basis and date
Reported valuation · date not stated
Rank by valuation
#129
Sector · country
Artificial intelligence · United Kingdom
Valuation history
| Date | Basis | Valuation | Source |
|---|---|---|---|
| — | Reported valuation | $5.1B | Sequoia and Nvidia Back Ex-DeepMind Researcher's New AI Startup at $5.1 Billion Value ↗ |
The latest reported valuation, with the report it came from.
Funding rounds filed with the SEC
| First sale | Amount sold | Offering size | Investors | Security |
|---|---|---|---|---|
| Apr 17, 2026 | $1.1B | $1.1B | 33 | Equity |
From the company’s Form D notices (SEC filings ↗). Form D reports the amount sold, not the valuation or the investors’ names.
Executives and directors
- David Silver · Executive Officer (SEC Form D)
Founders
David Silver
IPO status
Not on the IPO Calendar.
Valuations are point-in-time marks, not trading prices, and private shares are not generally available to retail investors. Data: Wikipedia’s list of unicorn startup companies and the company’s article (CC BY-SA 4.0), and SEC Form D filings, company article. Last updated Nov 13, 2026. This is historical data, not investment advice. Report a data error