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HiddenLayer logo

Startup · United States

HiddenLayer

HQ AustinFounded 202251-200 employees

Secure your AI with HiddenLayer’s end-to-end platform that detects threats, protects models, and ensures safe, compliant AI adoption at scale.

Website

Funding3 rounds · $156M

Equity raised
$156M
Latest
$100MSeries B · Sep 2, 2026
Last valuation
$383MPost-money · Series B · Sep 2, 2026
Cumulative raised$156M
Jul 19, 2022Sep 2, 2026
Valuation over time$383M · Sep 2, 2026
Valuation over timeReported valuation rose from $20.2M (Jul 19, 2022) to $383M (Sep 2, 2026) across 3 valued rounds. All are post-money.
Valuations by round
AnnouncedStageValuationBasis
Jul 19, 2022Seed$20.2MPost-money
Sep 19, 2023Series A$223MPost-money
Sep 2, 2026Series B$383MPost-money

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Systems5

AI Attack Simulation

AI attack-simulation module in the HiddenLayer platform.

Maturity not rated

AI Discovery

AI-asset inventory module in the HiddenLayer platform.

Maturity not rated

AI Runtime Security

Runtime monitoring and response module in the HiddenLayer platform.

Maturity not rated

AI Supply Chain Security

Model-integrity and supply-chain analysis module in the HiddenLayer platform.

Maturity not rated

HiddenLayer AI Security Platform

A platform that secures agentic, generative, and predictive AI applications across the entire lifecycle.

Maturity not rated

Newest unveiled first. Open a system for its milestone timeline, components and sources.

Sources11

Show all 11 sources and supporting evidence

Profile4

  1. 1

    PitchBook · Supports Organization · employee range, Organization · founded year, Organization · linkedin url, Organization · x url

    “employee_range: 51-200 (profile: 175)”
  2. 2

    Sixth-Domain · Supports Organization · country, Organization · kind

    “{"country": "USA", "hq_iso2": "US", "id": "13b50c9f-0b38-48f5-9f57-fbb586ede317"}”
  3. 3

    LinkedIn · Supports Organization · employee range, Organization · founded year, Organization · hq city, Organization · linkedin url

    “employee_range: 51-200 (profile: 51-200 employees)”
  4. 4

    Owler · Supports Organization · founded year, Organization · linkedin url, Organization · x url

    “founded_year: 2022”

Systems2

  1. 5

    HiddenLayer · Supports Organization · description, Organization · name, Organization · website, System

    “Secure your AI with HiddenLayer’s end-to-end platform that detects threats, protects models, and ensures safe, compliant AI adoption at scale.”
  2. 6

    HiddenLayer · Supports System

    “#### AI Supply Chain Security Secure AI models before deployment by validating integrity and supply chain.”

Funding4

  1. 7

    TechCrunch · Sep 2, 2026 · Supports Funding round · amount, Organization · ownership

    “has now raised $100 million in a Series B funding round that was led by Delta-v Capital”
  2. 8

    TechCrunch · Sep 19, 2023 · Supports Funding round · amount

    “raised $50 million in a funding round co-led by M12 and Moore Strategic Ventures”
  3. 9

    FinSMEs · Jul 19, 2022 · Supports Funding round · amount

    “raised $6M in Seed funding”
  4. 10

    Forge Global · Supports Funding round · post money valuation usd

    “09/19/2023 Series A $50.25M $9.09 $222.93M”

People1

  1. 11

    Crunchbase · Supports Organization · hq city, Organization · linkedin url, Organization · x url, Role

    “hq_city: Austin”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.