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Hidden Level

Aerospace and Defense · Syracuse, NY · Founded 2018 · Privately Held (backing)

Developer of airspace custom-built sensor technology designed to provide safety through sensing tools. Hidden Level is based in Syracuse, NY and was founded in 2018. It was valued at $500 million at its later-stage round in Mar 2025, the last priced event on record. It has raised $130 million across 4 recorded rounds; the latest was a $66.5 million Series C in Mar 2025.

PMV mark · valuation
$500.0M
Oct 2026
Priced at
its later-stage round
Mar 2025
Total raised
$130.0M
Last round
Later Stage VC (Series C)
Mar 2025

Hidden Level key facts

as of Oct 2026
  • Developer of airspace custom-built sensor technology designed to provide safety through sensing tools.
  • Hidden Level is valued at approximately $500.0M as of Oct 2026, set at its later-stage round, Mar 2025; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $130.0M across 4 recorded rounds; the latest was Later Stage VC (Series C) ($66.5M) in Mar 2025.
  • Notable investors include United States Department of War, Friends & Family Capital, Valor Equity Partners, Costanoa Ventures, Lockheed Martin Ventures — 25 tracked in total.
  • Hidden Level has filed 5 Form Ds with the SEC since 2019, most recently Apr 2025 ($66.5M sold to 19 investors).
  • Status: Privately Held (backing).
PrivateMarketView mark
LOW confidence
$500.0M

Valued at $500.0M at its later-stage round, Mar 2025. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
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Hidden Level funding rounds

4 rounds
Mar 2025Later Stage VC (Series C)$66.5M▮
Feb 2024Early Stage VC$42.6MSEC filing▮
Jun 2021Early Stage VC$17.3MSEC filing▮
Mar 2019Seed Round$2.0MSEC filing▮
Full funding history →

Hidden Level valuation

Hidden Level was valued at $500 million at its later-stage round in Mar 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Hidden Level raised?

Hidden Level has raised $130 million across 4 recorded rounds since 2019. The largest was a $66.5 million Series C in Mar 2025.

Hidden Level has filed 5 Form Ds with the SEC since 2019, most recently in Apr 2025 ($66.5 million sold to 19 investors).

Hidden Level investors

25 investors are on record for Hidden Level, including United States Department of War, Friends & Family Capital, Valor Equity Partners and Costanoa Ventures. By type, the record holds 10 venture capital firms, 1 family office and 1 growth equity firm. The Series C in Mar 2025 drew 9 investors.

Comparable companies

Comparable aerospace and defense names by valuation on PrivateMarketView: Fleet Space Technologies ($518 million), The Exploration Company ($471 million) and TurbineOne ($300 million).

About Hidden Level

Developer of airspace custom-built sensor technology designed to provide safety through sensing tools. The company's services include classical systems engineering, data modeling and analysis, field and testing, printed circuit board (PCB) design, full product life cycle management, and monitoring for low-altitude air traffic over large geographic areas, enabling aerospace component manufacturers to accelerate technology and productivity and improve safety through sensing.

Industry
Aerospace and Defense
Sector
Business Products and Services (B2B)
HQ
Syracuse, NY, United States
Founded
2018
Employees
134
Ownership
Privately Held (backing)

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