What is PsiQuantum worth?
$4.4Bimplied by the PA Mark · Sep 2026
PsiQuantum last raised $1.0B in its Series E (Sep 2025).
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See the evidence behind this price
- ·Post-money valuations for all 9 rounds
- ·The complete investor list — 58 names
- ·Watchlist + deal alerts for PsiQuantum
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Valuation timeline
6 marks · Dec 2016 – Sep 2026Funding history
9 rounds| Date | Round | Raised | Post-money | $/share |
|---|---|---|---|---|
| Sep 2025 | Series E | $1.0B | ▮ | ▮ |
| May 2025 | Early Stage VC | $22.0M | ▮ | ▮ |
| Mar 2022 | Secondary Transaction - Private | $520K | ▮ | ▮ |
| Dec 2021 | Secondary Transaction - Private | — | ▮ | ▮ |
| Oct 2021 | Series D | $450.0M | ▮ | ▮ |
| Dec 2019 | Series C | $150.0M | ▮ | ▮ |
| + 3 earlier rounds · a free account shows the full history | ||||
How PsiQuantum'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 PsiQuantum, we compose those signals into the PA Mark — a weighted composite of 6 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 PsiQuantum worth?
- PsiQuantum's implied valuation is $4.4B, based on the PA Mark composite price of about $37 per share as of Sep 2026.
- How much has PsiQuantum raised?
- PsiQuantum has raised $1.7B in total funding across 9 recorded rounds.
- When did PsiQuantum last raise?
- PsiQuantum last raised in Sep 2025 (Series E), raising $1.0B.