Ineffable Intelligence
PrivateLast Round
Seed
Apr 27, 2026
Est. Valuation
$5.1B
Total Funding Raised
$1.1B
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Ineffable Intelligence is an artificial intelligence research company developing reinforcement learning systems designed to discover knowledge through experience rather than human-generated data.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, Synthetic Data
Business Model
B2B
Customer Profile
Usage-Based SaaS, Government Contracts, Services & Consulting
AI Layer
Foundation
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Ineffable Intelligence Comparables
Compare Ineffable Intelligence with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Recursive Superintelligence | 91% | |
| Flapping Airplanes | 83% | |
| Safe Superintelligence Inc. | 81% |
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Ineffable Intelligence Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Apr 27, 2026 |
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Key People
Founding team and executive leadership
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Ineffable Intelligence Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| UK Department for Science, Innovation and Technology | Seed |
| DST Global | Seed |
| British Business Bank | Seed |
| EQT AB | Seed |
| Sequoia Capital | Seed |
| Seed | |
| Index Ventures | Seed |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 1, 2026
Grew from 1 to 19 employees QoQ.
- May 22, 2026
Grew 1700% QoQ, from 1 to 18 employees.
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Recent news
Latest coverage and updates
- receives_financingOct 22, 2026
Ineffable Intelligence LTD receives an initial $11M tranche from firms including Sequoia Capital at a pre-money valuation of roughly $55 million.
- is_developingOct 9, 2026
Ineffable Intelligence LTD is developing algorithms that learn through experience by acting, observing results and refining their approach, with support from the UK government and British Business Bank.
- hiresSep 7, 2026
Ineffable Intelligence LTD hires Lasse Espeholt as a cofounder, following his work on Google's MetNet weather prediction models, in United Kingdom on Sep 7th '26.
- hiresSep 7, 2026
On Sep 7th '26, Ineffable Intelligence LTD hires Junhyuk Oh as a cofounder in United Kingdom; he is a former Google DeepMind colleague of David Silver who works with Silver on the 2019 AlphaStar breakthrough.
- hiresSep 7, 2026
On Sep 7th '26, Ineffable Intelligence LTD hires Chris Apps as one of six cofounders in United Kingdom; Apps is a former Google DeepMind colleague of David Silver and worked on DeepMind's AlphaStar system.
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Ineffable Intelligence Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Ineffable Intelligence's valuation, stock price, and market status.
Is Ineffable Intelligence a public or private company?
Ineffable Intelligence is a private company.
What is the current stock price of Ineffable Intelligence?
Ineffable Intelligence is a private company, so its shares have no public market price. Caplight tracks Ineffable Intelligence's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Ineffable Intelligence worth (valuation)?
Ineffable Intelligence's valuation is estimated at $5.1B based on funding round data.
Can I buy Ineffable Intelligence stock?
Ineffable Intelligence shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Ineffable Intelligence's last funding round?
Ineffable Intelligence's most recent funding round was Seed on April 27, 2026.
Who are the main investors in Ineffable Intelligence?
Key investors in Ineffable Intelligence include Sequoia Capital, Lightspeed Venture Partners.
Will Ineffable Intelligence IPO soon?
No public IPO plans have been announced for Ineffable Intelligence.
How can I track Ineffable Intelligence secondary market activity?
Caplight tracks bids, offers, and trades in Ineffable Intelligence's shares on secondary markets.