# Alpha 311 funding: rounds and investors

> Alpha 311 has raised $151M across 8 rounds since 2021. Every round with its source.

Source: https://millionrounds.com/company/alpha-311 (Millionrounds; every figure on the page links to its filing or article)

United Kingdom · [Funded startup](https://millionrounds.com/companies)

# Who invested in *Alpha 311*

8 rounds we have observed, with the 0 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Manufacturing

Raised 8 months ago

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Funding summary Updated 15 Nov 2026

**$151M** raised across 8 rounds since 2021, from 8 sources

**$148M** Round

- **Latest round:** Round, $364K Mar 2026
- **Biggest round:** $148M Round · May 2023
- **Step-up i:** 2.5×
- **Investors:** 0

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2022 2023 2024 2025 2026

**$456K** Round

**$900K** Round

**$272K** Round

**$124K** Round

**$481K** Round

**$148M** Round

**$145K** Round

**$364K** Round

- **First round:** Round, $456K
- **Biggest round:** $148M
- **Usual gap between rounds:** 5 months

## The rounds

- **Mar 2026** Round **$364K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **May 2024** Round **$145K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **May 2023** Round **$148M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Dec 2022** Round **$481K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **May 2022** Round **$124K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Feb 2022** Round **$272K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Nov 2021** Round **$900K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Jun 2021** Round **$456K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet

## Funding filed with regulators

Alpha 311 filed 9 raises, $151M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Mar 2026 **$364K** UK share allotment
- May 2024 **$145K** UK share allotment
- May 2023 **$148M** UK share allotment
- Dec 2022 **$481K** UK share allotment
- May 2022 **$124K** UK share allotment
- Feb 2022 **$272K** UK share allotment
- Nov 2021 **$215K** UK share allotment
- Nov 2021 **$684K** UK share allotment
- Jun 2021 **$456K** UK share allotment

## Quick answers about Alpha 311

### How much has Alpha 311 raised?

Alpha 311 has raised $151M across 8 rounds since 2021.

### When did Alpha 311 last raise?

Alpha 311's most recent round, $364K, was in Mar 2026.

### What was Alpha 311's biggest round?

Alpha 311's largest round on record is $148M, in May 2023.

### Where is Alpha 311 based?

Alpha 311 is based in the United Kingdom.

## Companies like Alpha 311

In the same sector, and raised in the last eighteen months.

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