Xairos Systems, Inc.

Denver, CO · Quantum · Private

Space-based quantum key distribution system using entangled photons from a medium Earth orbit satellite for secure key distribution between ground stations

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Updated Oct 23, 2026 · xairos.com

Sector: Quantum
Headquarters: Denver, CO
Total capital: $5.2M

Federal grants: $3.2M; 5 awards · 2019–2024; Rank in peer group#1 of 14
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $2M; 2 awards · Defense; Rank in Quantum#25 of 112
Granted patents: 2; 1 pending · first 2023; Rank in peer group#4 of 14

Capital timeline

Latest events

Jul 2024Federal contractDefense · SF241-D025 Alternative Position, Navigation And Timing. Xairos Systems, Inc. Propose A Fusion Position, Navigation, And Timing (pnt) System Consisting Of Quantum And Optical Synchronization Of Compact Stable Clock Ensembles.$1.9M
Jul 2024Federal grantDefense · Phase II · SF241-D025 Alternative Position, Navigation And Timing. Xairos Systems, Inc. Propose A Fusion Position, Navigation, And Timing (pnt) System Consisting Of Quantum And Optical Synchronization Of Compact Stable Clock Ensembles.$1.9M
Aug 2020Federal grantDefense · Phase II · Low SWaP Pulsed Entanglement Source for Quantum Networking$1M
Aug 2020Federal contractDefense · COVID-19 Dib Small Business Innovative Research Design, Prototype And Deliver Entangled Photon Sources Closely Adapted To The Research Objectives Of Afrl-rd Quantum Networking Projects.$101K
Aug 2020Federal grantNASA · Phase I · Quantum Clock Synchronization$125K
Jun 2020Federal grantDefense · Phase I · Satellite Constellations for Entanglement-Based Time Distribution$150K
Dec 2019Federal grantDefense · Phase I · Open Call for Innovative Defense-Related Dual-Purpose Technologies/Solutions with a Clear Air Force Stakeholder Need$50K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 14 peers

Line = median

Quantum · System

Federal grants#1 · top 7%
Granted patents#4 · top 29%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

No founders are linked to this company yet.

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Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 2 granted of 3

Nov 12, 2024GrantedQuantum Secure Network Clock SynchronizationUSPTOUS 12,143,203
Feb 7, 2023GrantedQuantum Secure Network Clock SynchronizationUSPTOUS 11,575,456
PendingQuantum Secure Network Clock SynchronizationUSPTOApplication PCTUS2021037497

Boulder Precision Electro-opticsSimilar federal contract value in Quantum · $2.5M in contracts
SC SOLUTIONS, INC.Similar federal contract value in Quantum · $2.2M in contracts
STAR CRYOELECTRONICS, LLCSimilar federal contract value in Quantum · $2M in contracts
ADVANCED RESEARCH SYSTEMS, INC.Similar federal contract value in Quantum · $1.9M in contracts
ATLANTIC QUANTUM CORPSimilar federal contract value in Quantum · $1.9M in contracts
QUNNECT, INCSimilar federal contract value in Quantum · $1.9M in contracts

Regulatory activity · Quantum

Sector-level, not company-level

24 Apr 2026Eliminating Regulations Establishing Fellowships in Laboratory Standardization and Testing for Foreign CitizensNational Institute of Standards and Technology
19 Feb 2026Eliminating Obsolete Marking Requirements for Toy, Look-Alike, and Imitation FirearmsNational Institute of Standards and Technology
19 Feb 2026Eliminating Obsolete Regulations Related to the Advanced Technology Program and the Technology Innovation ProgramNational Institute of Standards and Technology

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.