Funding round
Oxford Quantum Circuits Series C
Oxford Quantum Circuits, which works in quantum compute-as-a-service in Reading, raised $350M in a Series C round announced on 3 Jun 2026, led by Bullhound Capital. 21 firms took part. It is Oxford Quantum Circuits' fourth venture round on record; the one before was a Series B in Nov 2023.
$350M
Amount raised
260,000,000 GBP converted
Not disclosed
Post-money valuation
21
Investors
1 lead
Valuation
What this round says about the price
Oxford Quantum Circuits did not disclose a valuation in this round. It came 31 months after Oxford Quantum Circuits' Series B. It is 70% of the $498M Oxford Quantum Circuits has raised in the venture rounds on record. No later venture round is on record for Oxford Quantum Circuits.
Oxford Quantum Circuits' funding rounds
Oxford Quantum Circuits has 4 venture rounds on record. This one is highlighted.
Investors
Who put money in
Bullhound Capital led the round with 20 other firms.
Lead investor
- backs 9 venture-backed companies new investor
Also in the round
- British Business Bank new investor
- Fynveur new investor
- backs 5 venture-backed companies new investor
- RCM Private Markets Fund managed by Rokos Capital Management (US) LP new investor
- backs 25 venture-backed companies new investor
- Fulcrum Asset Management new investor
- Pentland Ventures new investor
- Magdalen College Oxford new investor
- Adaptive Capital Partners new investor
- backs 3 venture-backed companies new investor
- 18 West new investor
- backs 18 venture-backed companies new investor
- backs 52 venture-backed companies new investor
- backs 96 venture-backed companies new investor
- Chevron Technology Ventures new investor
- The University of Tokyo Edge Capital Partners Co. new investor
- OTIF Ventures new investor
- Invus backs 83 venture-backed companies new investor
- Mastercard new investor
- IHAG new investor
Joined the board: Per Roman (Bullhound Capital).
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, geographic expansion, scaling operations and working capital.
- Product development
- Geographic expansion
- Scaling operations
- Working capital
Comparable rounds
How it compares
173 Series C rounds in Tech Companies within a year either side disclosed an amount; the median was $68M, and this round was 5.1 times the median. The closest in time, other companies' Series C rounds in Tech Companies:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| PhysicsX Tech Companies | 8 Jun 2026 | $300M | $2.40B | Temasek |
| Tech Companies | 24 Jun 2026 | $120M | $1.20B | Menlo Ventures |
| Tech Companies | 24 Jun 2026 | $110M | not disclosed | Growth Equity at Goldman Sachs Alternatives and Goldman Sachs |
| Tech Companies | 30 Jun 2026 | $95M | not disclosed | Insight Partners |
| Tech Companies | 30 Jun 2026 | $68M | not disclosed | Sofina |
| Tech Companies | 17 Jun 2026 | $65M | $675M | Insight Partners |
| Tech Companies | 16 Jun 2026 | $52M | not disclosed | The Westly Group |
| Tech Companies | 4 Jun 2026 | $40M | not disclosed | Revaia |
Sources
Where this comes from
Reported by 4 sources.
Questions
Frequently asked
How much did Oxford Quantum Circuits raise in its Series C round?
Oxford Quantum Circuits raised $350M in its Series C round, announced in Jun 2026.
Who led Oxford Quantum Circuits' Series C round?
Bullhound Capital led it, with British Business Bank, Fynveur, COFIDES, RCM Private Markets Fund managed by Rokos Capital Management (US) LP and AlphaEdison and 15 more.
What was Oxford Quantum Circuits' valuation at the Series C round?
It was not disclosed.
How does it compare with other Series C rounds in Tech Companies?
173 Series C rounds in Tech Companies within a year either side disclosed an amount; the median was $68M, and this round was 5.1 times the median.