ASP Isotopes Inc. (ASPI)

Nasdaq · Miscellaneous Chemical Products

One email a week from me: what it filed, which 13F holders added or cut, where its scores stand. Free.

Corporate structure

14 entities across 5 jurisdictions, 2 in offshore financial centres. Read directly from the company’s own 10-K EX-21 filed 2026-04-10 — see the exhibit.

Which other public companies file entities in the same places:

South Africa10 Guernsey1 Iceland1 Cayman Islands1 Hong Kong1

Subsidiaries of ASP Isotopes Inc. as disclosed in its SEC filing
Entity	Jurisdiction	Note
ASP Isotopes Guernsey Limited (formerly, PDS-Photonica Holdings (Guernsey) Limited)	Guernsey	offshore centre
ASP Isotopes South Africa (Proprietary) Limited (formerly, PDS Photonica Holdings South Africa (PTY) Limited)	South Africa
Enlightened Isotopes (Pty) Ltd**	South Africa
ASPI South Africa Asset Finance	South Africa
Enlightened Isotopes (Pty) Ltd	South Africa
ASP Isotopes ehf	Iceland
Quantum Leap Energy (Pty) Ltd	South Africa
K2025267858 (South Africa) (Pty) Ltd	South Africa
PET Labs Pharmaceuticals (Pty) Ltd**	South Africa
PET Labs Global Nuclear Medicine SEZC	Cayman Islands	offshore centre
Renergen Limited	South Africa
Tetra4 Proprietary Limited**	South Africa
Cryovation Proprietary Limited	South Africa
Skyline Builders Group Holding Limited**	Hong Kong

Financial health

Two standard screens, computed from the XBRL in FY2025 against FY2024. Every test shows the numbers behind it — a score with its inputs hidden is a number you cannot check.

Piotroski F-score

5 / 9

FAILReturn on assets positiveROA -32.1%
FAILOperating cash flow positiveOCF -38M
PASSReturn on assets improving-34.4% → -32.1%
PASSCash flow exceeds earningsOCF -38M vs NI -160M
PASSLong-term debt ratio falling1.5% → 0.3% of assets
PASSCurrent ratio improving9.31 → 12.23
FAILNo share dilution56M → 83M shares
FAILGross margin improving38.6% → 14.3%
PASSAsset turnover improving0.04× → 0.05×

Six-year record

Year	Revenue	Net income	Free cash flow	Gross margin	Shares
FY2021	—	—	—	—	—
FY2022	$0	−$4.9M	−$7.4M	—	—
FY2023	$433,026	−$16.3M	−$7.7M	32.1%	33,066,708
FY2024	$4.1M	−$32.4M	−$26.4M	38.6%	55,671,805
FY2025	$23.8M	−$159.8M	−$47.4M	14.3%	83,013,594

Ownership flow

11 institutions tracked — 7 added, 4 reduced. Index money added 1,367,905 shares while active managers cut 705,767.

Institutional holders of ASP Isotopes Inc. and their share-count change
Manager	Kind	Shares	Change	Value
CITADEL ADVISORS LLC	Hedge fund	1,712,991	−929,015	$10.7M
BlackRock, Inc.	Index	9,217,198	+889,054	$57.3M
BANK OF AMERICA CORP /DE/	Active fund	709,057	+540,060	$4.4M
MORGAN STANLEY	Active fund	1,162,320	−414,093	$7.2M
STATE STREET CORP	Index	2,595,573	+273,414	$16.1M
GEODE CAPITAL MANAGEMENT, LLC	Index	2,945,901	+205,437	$18.3M
Point72 Asset Management, L.P.	Hedge fund	164,259	+120,159	$1.0M
JPMORGAN CHASE & CO	Active fund	241,054	−32,408	$1.5M
PRICE T ROWE ASSOCIATES INC /MD/	Active fund	96,913	+16,272	$603,000
AQR CAPITAL MANAGEMENT LLC	Hedge fund	13,588	−10,209	$84,518
FMR LLC	Active fund	17,825	+3,467	$110,869

From 13F filings, which cover institutions managing over $100m and are filed up to 45 days after the quarter ends — so this is a considered position, not a live one, and it is not the whole shareholder register.

Identity

CIK: 0001921865
SIC: 2890 · Miscellaneous Chemical Products
Incorporated: DE
Headquarters: DALLAS, TX

Ownership

Institutional: 48.3%
Institutions: 284
Insiders: 10.5%

Ownership percentages are a vendor aggregate, not a filing — unlike everything else on this page.

Other miscellaneous chemical products companies

ASP Isotopes Inc. files under SIC 2890 — all 5 miscellaneous chemical products companies compared on assets and F-score.

Element Solutions IncESI CABOT CORPCBT Orion S.A.OEC WD 40 COWDFC

Questions about ASP Isotopes Inc.

How many subsidiaries does ASP Isotopes Inc. file with the SEC?: 14, listed in its most recent exhibit 21. They are incorporated across 5 jurisdictions, led by Guernsey, South Africa, Iceland. 2 of them sit in offshore financial centres. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.
Is ASP Isotopes Inc. financially healthy?: ASP Isotopes Inc. scores 5 out of 9 on the Piotroski F-score. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.
Who are the largest institutional holders of ASP Isotopes Inc.?: Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are BlackRock, Inc. (adding), GEODE CAPITAL MANAGEMENT, LLC (adding), STATE STREET CORP (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.

This page is one panel of the terminal

The structure map above is the Corporate Blueprint, and in the desktop it is interactive — click any entity to re-centre the map on it and walk the ownership chain. It sits alongside the screener, the scorecard and the filings lab on one desk, on your machine.

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Sourced from SEC EDGAR primary filings. Figures are as reported by the company and are not investment advice. Scores are standard published screens computed from those filings; every input is shown above so you can check the arithmetic.

Corporate structure

14 entities across 5 jurisdictions, 2 in offshore financial centres. Read directly from the company’s own 10-K EX-21 filed 2026-04-10 — see the exhibit.

Entity

Jurisdiction

Note

ASP Isotopes Guernsey Limited (formerly, PDS-Photonica Holdings (Guernsey) Limited)

Guernsey

offshore centre

ASP Isotopes South Africa (Proprietary) Limited (formerly, PDS Photonica Holdings South Africa (PTY) Limited)

South Africa

Enlightened Isotopes (Pty) Ltd**

South Africa

ASPI South Africa Asset Finance

South Africa

Enlightened Isotopes (Pty) Ltd

South Africa

ASP Isotopes ehf

Iceland

Quantum Leap Energy (Pty) Ltd

South Africa

K2025267858 (South Africa) (Pty) Ltd

South Africa

PET Labs Pharmaceuticals (Pty) Ltd**

South Africa

PET Labs Global Nuclear Medicine SEZC

Cayman Islands

offshore centre

Renergen Limited

South Africa

Tetra4 Proprietary Limited**

South Africa

Cryovation Proprietary Limited

South Africa

Skyline Builders Group Holding Limited**

Hong Kong

Financial health

Two standard screens, computed from the XBRL in FY2025 against FY2024. Every test shows the numbers behind it — a score with its inputs hidden is a number you cannot check.

Piotroski F-score

5 / 9

FAILReturn on assets positiveROA -32.1%
FAILOperating cash flow positiveOCF -38M
PASSReturn on assets improving-34.4% → -32.1%
PASSCash flow exceeds earningsOCF -38M vs NI -160M
PASSLong-term debt ratio falling1.5% → 0.3% of assets
PASSCurrent ratio improving9.31 → 12.23
FAILNo share dilution56M → 83M shares
FAILGross margin improving38.6% → 14.3%
PASSAsset turnover improving0.04× → 0.05×

Year

Revenue

Net income

Free cash flow

Gross margin

FY2021

—

FY2022

−$4.9M

−$7.4M

—

FY2023

$433,026

−$16.3M

−$7.7M

32.1%

33,066,708

FY2024

$4.1M

−$32.4M

−$26.4M

38.6%

55,671,805

FY2025

$23.8M

−$159.8M

−$47.4M

14.3%

83,013,594

Ownership flow

11 institutions tracked — 7 added, 4 reduced. Index money added 1,367,905 shares while active managers cut 705,767.

Institutional holders of ASP Isotopes Inc. and their share-count change
Manager	Kind	Shares	Change	Value
CITADEL ADVISORS LLC	Hedge fund	1,712,991	−929,015	$10.7M
BlackRock, Inc.	Index	9,217,198	+889,054	$57.3M
BANK OF AMERICA CORP /DE/	Active fund	709,057	+540,060	$4.4M
MORGAN STANLEY	Active fund	1,162,320	−414,093	$7.2M
STATE STREET CORP	Index	2,595,573	+273,414	$16.1M
GEODE CAPITAL MANAGEMENT, LLC	Index	2,945,901	+205,437	$18.3M
Point72 Asset Management, L.P.	Hedge fund	164,259	+120,159	$1.0M
JPMORGAN CHASE & CO	Active fund	241,054	−32,408	$1.5M
PRICE T ROWE ASSOCIATES INC /MD/	Active fund	96,913	+16,272	$603,000
AQR CAPITAL MANAGEMENT LLC	Hedge fund	13,588	−10,209	$84,518
FMR LLC	Active fund	17,825	+3,467	$110,869

Questions about ASP Isotopes Inc.

How many subsidiaries does ASP Isotopes Inc. file with the SEC?

14, listed in its most recent exhibit 21. They are incorporated across 5 jurisdictions, led by Guernsey, South Africa, Iceland. 2 of them sit in offshore financial centres. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.

Is ASP Isotopes Inc. financially healthy?

ASP Isotopes Inc. scores 5 out of 9 on the Piotroski F-score. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.

Who are the largest institutional holders of ASP Isotopes Inc.?

Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are BlackRock, Inc. (adding), GEODE CAPITAL MANAGEMENT, LLC (adding), STATE STREET CORP (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.