ASP Isotopes Inc.

ASP Isotopes Inc. is a development-stage advanced materials company built around proprietary isotope-separation technologies, including Aerodynamic Separation Process (ASP) and Quantum Enrichment (QE). The company is focused on producing high-value, low-volume isotopes for specialized end markets such as pharmaceuticals, agrochemicals, nuclear medical imaging, and semiconductors. It also has a separate nuclear fuels business through Quantum Leap Energy (QLE), which is being developed around HALEU and Lithium-6 for advanced nuclear applications. In 2025, the company expanded further into construction services through its Skyline acquisition, adding a third operating segment alongside specialist isotopes and nuclear fuels.

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12.23

12.20

— ASP Isotopes Inc.
%
Specialist isotopes and related services35% Development and commercialization of high-value, low-volume isotopes and related services for medical, industrial, and semiconductor uses.
Nuclear fuels5% Research, development, and commercialization of advanced nuclear fuel products such as HALEU and Lithium-6 through QLE.
Nuclear medical doses20% Production and sale of PET scanning doses used in nuclear medical imaging, primarily through PET Labs in South Africa.
Construction services40% Civil engineering and subcontracted construction work, including road and drainage projects in Hong Kong via Skyline.

ASP Isotopes serves highly specialized customers that need isotopes with precise enrichment, purity, and supply...

  • Specialty isotope end usersprimary

    Buy enriched isotopes such as C-14, Mo-100, Si-28, and Yb-176 for pharmaceutical, agrochemical, semiconductor, and research applications.

  • Advanced nuclear fuel developerssecondary

    Seek HALEU and Lithium-6 products and related development capabilities for next-generation nuclear fuel supply chains.

  • PET imaging and nuclear medicine customerssecondary

    Purchase nuclear medical doses used in PET scanning, supporting diagnostic imaging workflows in South Africa.

  • Public infrastructure and civil engineering clientssecondary

    Buy road, drainage, and related civil engineering services in Hong Kong through Skyline/Kin Chiu Engineering.

ASP Isotopes operates through subsidiaries in the United Kingdom, South Africa, Iceland, the Cayman Islands, and...

  • United States is the parent company domicile and capital markets base
  • United Kingdom houses the technology owner and part of the nuclear fuels structure
  • South Africa is important for PET dose production and isotope-related operations
  • Hong Kong contributes construction revenue through Skyline/Kin Chiu Engineering
  • Cayman Islands, Guernsey, and Iceland are part of the subsidiary structure
  • Cross-border operations increase regulatory and execution complexity

ASP Isotopes is trying to commercialize proprietary isotope-enrichment technologies while still in a development-stage...

01
Commercialize specialist isotopesshort-term

The company needs to convert R&D into repeatable production and sales to create a durable revenue base.

02
Build the QLE nuclear fuels platformmedium-term

HALEU and Lithium-6 could become strategically important products in advanced nuclear supply chains.

03
Separate and finance businesses independentlymedium-term

A spin-out could align capital allocation with distinct regulatory and commercial profiles across business lines.

04
Grow operating revenue through acquisitionsshort-term

Adding revenue-generating businesses can reduce dependence on pre-commercial isotope development.

ASP Isotopes faces substantial execution risk because most of its core isotope businesses are still in development and...

critical

Failure to commercialize enriched isotopes

The company has not yet generated revenue from enriched isotopes, so the core business depends on successful development and scale-up.

Scope
Specialist isotopes and related services
Materiality
high
high

Regulatory and licensing delays in nuclear fuels

HALEU and Lithium-6 production is subject to a more complex regulatory landscape than medical isotopes.

Scope
Nuclear fuels
Materiality
high
high

Financing and dilution risk

Operations have been funded mainly through equity and convertible notes, and future development will likely require additional capital.

Scope
Company-wide
Materiality
high
high

Fair value volatility on convertible notes

Changes in the fair value of convertible notes can materially affect reported earnings and obscure operating performance.

Scope
Company-wide
Materiality
medium
medium

Construction execution and subcontracting risk

The Skyline business depends on project delivery, subcontractor performance, and cost control on civil engineering contracts.

Scope
Construction services
Materiality
medium
medium

Trade policy, inflation, and foreign exchange

The company operates across multiple jurisdictions and imports/exports specialized materials and services.

Scope
South Africa, United Kingdom, Hong Kong
Materiality
medium
Revenue recognition by segment
Revenue timing and gross margin
Fair value of convertible notes payable
Net loss volatility
Share liability and equity-linked awards
Other income/expense
R&D expense recognition
Operating loss
Lease accounting
EBITDA and lease obligations

: 11/08/2026