# HiddenLayer funding: rounds and investors

> HiddenLayer has raised $150M across 2 rounds since 2023. Investors include Eleven Ventures, Microsoft and Ten Eleven Ventures. Every round with its source.

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

United States · [Series B startup](https://millionrounds.com/companies)

# Who invested in *HiddenLayer*

2 rounds we have observed, with the 7 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.

AI Cybersecurity Enterprise Software

Raised 2 months ago

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Funding summary Updated 5 Nov 2026

**$150M** raised across 2 rounds since 2023, from 2 sources

**$50M** Series A **$100M** Series B

- **Latest round:** Series B, $100M Sept 2026
- **Led by:** Delta-v Capital
- **Step-up i:** 2×
- **Investors:** 7 (1 led)

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.

2024 2025 2026

**$50M** Series A

**$100M** Series B

- **First round:** Series A, $50M
- **Biggest round:** $100M
- **Between rounds:** 3 years

## The rounds

- **Sept 2026** Series B **$100M** *4 new* *3 returning* [Delta-v Capital](https://millionrounds.com/fund/delta-v-capital) Lead [M12](https://millionrounds.com/fund/m12) [Morgan Stanley Investment Management](https://millionrounds.com/fund/morgan-stanley-investment-management) [Eleven Ventures](https://millionrounds.com/fund/eleven-ventures-3) [Microsoft](https://millionrounds.com/fund/microsoft) [Ten Eleven Ventures](https://millionrounds.com/fund/ten-eleven-ventures) [Booz Allen Ventures](https://millionrounds.com/fund/booz-allen-ventures) Reported by Ventureburn
- **Sept 2023** Series A **$50M** *3 new* [Eleven Ventures](https://millionrounds.com/fund/eleven-ventures-3) [Microsoft](https://millionrounds.com/fund/microsoft) [Ten Eleven Ventures](https://millionrounds.com/fund/ten-eleven-ventures) Source recorded SEC filing: $50M sold, first sale Jul 2023

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Series A** 2023 **Series B** 2026 [Eleven Ventures](https://millionrounds.com/fund/eleven-ventures-3) [Microsoft](https://millionrounds.com/fund/microsoft) [Ten Eleven Ventures](https://millionrounds.com/fund/ten-eleven-ventures) [Delta-v Capital](https://millionrounds.com/fund/delta-v-capital) L [M12](https://millionrounds.com/fund/m12) [Morgan Stanley Investment Management](https://millionrounds.com/fund/morgan-stanley-investment-management) [Booz Allen Ventures](https://millionrounds.com/fund/booz-allen-ventures)

## Everyone who backed them

[Eleven Ventures](https://millionrounds.com/fund/eleven-ventures-3) VC firm **2** rounds

[Microsoft](https://millionrounds.com/fund/microsoft) Corporate VC **2** rounds

[Ten Eleven Ventures](https://millionrounds.com/fund/ten-eleven-ventures) VC firm **2** rounds

[Delta-v Capital](https://millionrounds.com/fund/delta-v-capital) Growth equity **1** round, led 1

[M12](https://millionrounds.com/fund/m12) Corporate VC **1** round

[Morgan Stanley Investment Management](https://millionrounds.com/fund/morgan-stanley-investment-management) Private equity **1** round

[Booz Allen Ventures](https://millionrounds.com/fund/booz-allen-ventures) Corporate VC **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=hiddenlayer).

## Quick answers about HiddenLayer

### Who invested in HiddenLayer?

HiddenLayer's investors include Eleven Ventures, Microsoft, Ten Eleven Ventures, Delta-v Capital and M12, and 2 more on record. Delta-v Capital led its latest round.

### How much has HiddenLayer raised?

HiddenLayer has raised $150M across 2 rounds since 2023.

### When did HiddenLayer last raise?

HiddenLayer's most recent round was a Series B of $100M in Sept 2026, led by Delta-v Capital.

### What was HiddenLayer's biggest round?

Its most recent round, $100M in Sept 2026, is also its largest on record.

### Who backed HiddenLayer first?

HiddenLayer's first round on record, in Sept 2023, was backed by Eleven Ventures, Microsoft and Ten Eleven Ventures.

### What stage is HiddenLayer at?

HiddenLayer's latest named round is a Series B, in Sept 2026.

### Where is HiddenLayer based?

HiddenLayer is based in the United States.

### Who led HiddenLayer's rounds?

Delta-v Capital led the Series B in 2026.

## Companies like HiddenLayer

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

[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)

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