What is Quantinuum worth?
$10.8Blast known valuation
Quantinuum last raised $838.8M in its Later Stage VC (Aug 2025).
Free account
See the evidence behind this price
- ·Post-money valuations for all 1 rounds
- ·The complete investor list — 22 names
- ·Watchlist + deal alerts for Quantinuum
Create free account
No card required
Funding history
1 rounds| Date | Round | Raised | Post-money | $/share |
|---|---|---|---|---|
| Aug 2025 | Later Stage VC | $838.8M | ▮ | ▮ |
How Quantinuum's valuation is determined
Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.
For Quantinuum, we compose those signals into the PA Mark — a weighted composite of 1 recent pricing inputs, decayed by age and reset on new rounds. The implied valuation multiplies the mark by shares outstanding. Full methodology →
Frequently asked
- What is Quantinuum worth?
- Quantinuum's implied valuation is $10.8B, based on the PA Mark composite price of about $24,000 per share as of Sep 2026.
- How much has Quantinuum raised?
- Quantinuum has raised $1.2B in total funding across 1 recorded rounds.
- When did Quantinuum last raise?
- Quantinuum last raised in Aug 2025 (Later Stage VC), raising $838.8M.