Unclassified // open-source data on US defense tech // 14 NOV 2026
Sensors & Comms sector
Sensors & Comms company in Syracuse, New York

Hidden Level

Operates passive radar and radio-frequency direction-finding networks that monitor low-altitude airspace and detect drones for defense and critical infrastructure.

Patriot air defense radar forward deployed in Poland, 2019. Photo: U.S. Army 10th AAMDC photo by Sgt. 1st Class Christopher Smith, Public domain (PD-USGov-Military-Army).

Latest round$65MSeries C, Feb 2025
Total raisedUndisclosedNot disclosed

Funding history

DateRoundAmount
Feb 2025Series C$65M

Why it matters

On contract in 2025 to support deployments for the Army, Air Force and Africa Command, among other military organizations.

Is Hidden Level publicly traded?

Hidden Level is privately held as of November 14, 2026: there is no ticker and no announced IPO. Shares are not available on public exchanges.

Information only, not investment advice.

Key figures confirmed by multiple sourcesLast verified November 14, 2026

Hidden Level: key questions

What does Hidden Level do?

Operates passive radar and radio-frequency direction-finding networks that monitor low-altitude airspace and detect drones for defense and critical infrastructure.

Where is Hidden Level based?

Hidden Level is headquartered in Syracuse, New York. It was founded in 2018.

How much funding has Hidden Level raised?

A cumulative total is not disclosed. The latest round was: Series C, $65M, Feb 2025.

Who are Hidden Level's investors?

Notable investors include DFJ Growth, Booz Allen Ventures, Revolution Growth, Costanoa Ventures, Washington Harbour Partners, Founders Circle Capital.

Is Hidden Level publicly traded?

Hidden Level is privately held as of November 14, 2026: there is no ticker and no announced IPO. Shares are not available on public exchanges.

Can you buy Hidden Level stock?

Not on a public exchange: Hidden Level is a private company. Shares of private companies change hands only in private transactions open to accredited investors, when the company allows it. This is not investment advice.

Sources

  1. washingtontechnology.com/companies/2025/02/hidden-level-closes-65m-series-c-round/402699
  2. newmarketpitch.com/blogs/news/counter-uas-funding-analysis

Figures come from company announcements, government sources and press reports. Spot an error? Send a correction. Nothing here is investment advice.