Nov 2, 2026
Startups

Fractile Series C filings show £577.4m in cash share issuances

A fuller review of Companies House allotments puts Fractile’s unannounced Series C at £577.4m, above the earlier £540m count.

Ingrid Halvorsen

By Ingrid Halvorsen · Venture Capital Reporter

· 2 min read

Fractile Series C filings show £577.4m in cash share issuances
Photo: Sifted

Fractile Series C funding filings indicate that the London AI inference-hardware company issued £577.4 million of preferred shares for cash, according to a later analysis of Companies House allotments. The figure revises an earlier filing-based report of £540 million upward and matters because Fractile has not publicly announced the financing, named its investors or disclosed a final valuation.

EUVC reported on October 30 that the £577.4 million total covered three Series C share classes allotted from September 9 through October 23. The analysis puts £147.8 million in Series C-1 shares, £37.4 million in Series C-2 shares and £392.2 million in Series C-3 shares.

Sifted had reported one day earlier that Fractile raised £540 million, or about $721 million, based on company filings. EUVC said that earlier count preceded the analysis of a fuller set of allotments. The two figures therefore describe different counts from the filing record, rather than separately announced financings.

Why do Fractile Series C funding reports show £540m and £577.4m?

The £540 million figure was an initial tally of filings, while the £577.4 million figure includes three reported Series C preferred-share classes in the later review. The filings support that shares were issued for cash, but they do not establish a company-announced round total, the identities of the buyers, or how much each investor contributed.

That distinction is material. Fractile had not confirmed the Series C publicly or identified its backers, according to EUVC. A Seedtable account of the filings also said Fractile had not announced the round or confirmed investors. Reports naming prospective or estimated investors should not be treated as confirmation of this issuance.

August reporting by Bloomberg described Fractile as being in advanced talks to raise roughly $600 million at a $6.5 billion pre-money valuation, citing people familiar with the matter. Bloomberg said the proposal included money invested at a lower valuation. At the time, the round was still in discussion and subject to change, so that report does not verify the valuation or terms of the later share issuances.

What does Fractile build?

Fractile develops chips and systems for AI inference, the work of running trained models to generate outputs. In its own materials, the company says it is building hardware intended to improve inference speed, but its performance targets are company statements rather than independently verified results.

The reported Series C follows Fractile’s $220 million financing in May, which the company announced as funding for its inference-hardware work. No public statement in the available record sets out the purpose of the later £577.4 million issuance. Semiconductor companies generally face substantial design, verification, manufacturing and software costs, but the filings alone do not say how Fractile will use this capital.

This story draws on original reporting from Sifted.

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