Funding round
Fractile Series B
Fractile, which works in AI compute system design and development in Thatcham, raised $220M in a Series B round announced on 13 May 2026, led by Accel, Factorial Funds and Founders Fund. 9 firms took part. It is Fractile's third venture round on record; the one before was a Series A in May 2026.
$220M
Amount raised
Not disclosed
Post-money valuation
9
Investors
3 leads
Valuation
What this round says about the price
Fractile did not disclose a valuation in this round. It is 48% of the $455M Fractile has raised in the venture rounds on record. No later venture round is on record for Fractile.
Fractile's funding rounds
Fractile has 3 venture rounds on record. This one is highlighted.
Investors
Who put money in
Accel, Factorial Funds and Founders Fund led the round with 6 other firms.
Lead investors
- Accel backs 581 venture-backed companies new investor
- backs 3 venture-backed companies new investor
- Founders Fund backs 368 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to product development and scaling operations.
- Product development
- Scaling operations
Comparable rounds
How it compares
459 Series B rounds in Tech Companies within a year either side disclosed an amount; the median was $40M, and this round was 5.5 times the median. The closest in time, other companies' Series B rounds in Tech Companies:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Armada Tech Companies | 19 May 2026 | $230M | $2.00B | Overmatch Ventures and BlackRock |
| Tech Companies | 19 May 2026 | $170M | $1.00B | Gideon Strategic Partners and Nimble Partners |
| Tech Companies | 11 May 2026 | $100M | $1.20B | Founders Fund |
| Tech Companies | 5 May 2026 | $82M | not disclosed | not named |
| Tech Companies | 11 May 2026 | $70M | not disclosed | Balderton Capital |
| Tech Companies | 5 May 2026 | $60M | not disclosed | AVP |
| Tech Companies | 11 May 2026 | $56M | not disclosed | Sequoia Capital and Sea |
| Tech Companies | 4 May 2026 | $55M | not disclosed | United Ventures and CDP Venture Capital |
Sources
Where this comes from
Reported by 2 sources.
Questions
Frequently asked
How much did Fractile raise in its Series B round?
Fractile raised $220M in its Series B round, announced in May 2026.
Who led Fractile's Series B round?
Accel, Factorial Funds and Founders Fund led it, with Conviction, Gigascale Capital, 01A, Felicis and Buckley Ventures and 1 more.
What was Fractile's valuation at the Series B round?
It was not disclosed.
How does it compare with other Series B rounds in Tech Companies?
459 Series B rounds in Tech Companies within a year either side disclosed an amount; the median was $40M, and this round was 5.5 times the median.