ASP Isotopes Inc
ASPI5.905USD
-0.045-0.76%
Market hours （ET）Quotes delayed by 15 min
551.39MMarket Cap
LossP/E TTM
More Details of ASP Isotopes Inc Company
ASP Isotopes Inc. is a development stage advanced materials company. The Company is engaged in the development of technology and processes to produce isotopes for use in multiple industries. The Company employs proprietary technology, the Aerodynamic Separation Process (ASP technology). Its initial focus is on producing and commercializing highly enriched isotopes for the healthcare and technology industries. Its Nuclear Fuels segment is focused on research and development of technologies and methods used to produce high-assay low-enriched uranium (HALEU) and Lithium-6 for the advanced nuclear fuels target end market. Its Specialist Isotopes and Related Services segment is focused on research and development of technologies and methods used to separate high-value, low-volume isotopes (such as C-14, Mo-100, and Si-28) for highly specialized target end markets other than advanced nuclear fuels, including pharmaceuticals and agrochemicals, nuclear medical imaging, and others.
ASP Isotopes Inc Info
Ticker SymbolASPI
Company nameASP Isotopes Inc
IPO dateNov 10, 2022
CEOAinscow (Robert)
Number of employees136
Security typeOrdinary Share
Fiscal year-endNov 10
Address601 Pennsylvania Avenue Nw
CityWASHINGTON
Stock exchangeNASDAQ OMX - NASDAQ BASIC
CountryUnited States of America
Postal code20004
Phone12027562245
Websitehttps://aspisotopes.com/
Ticker SymbolASPI
IPO dateNov 10, 2022
CEOAinscow (Robert)
Company Executives of ASP Isotopes Inc
Name
Name/Position
Position
Shareholding
Change
Mr. Paul Elliot Mann
Mr. Paul Elliot Mann
Executive Chairman of the Board, Chief Executive Officer, Co-Founder
Executive Chairman of the Board, Chief Executive Officer, Co-Founder
7.76M
-2.05%
Dr. Hendrik Strydom, Ph.D.
Dr. Hendrik Strydom, Ph.D.
Chief Technology Officer
Chief Technology Officer
2.30M
-2.39%
Mr. Robert Ainscow
Mr. Robert Ainscow
Co-Founder, Chief Operating Officer
Co-Founder, Chief Operating Officer
1.55M
-5.62%
Dr. Duncan Moore, Ph.D.
Dr. Duncan Moore, Ph.D.
Independent Director
Independent Director
994.55K
--
Ms. Heather Kiessling
Ms. Heather Kiessling
Chief Financial Officer
Chief Financial Officer
812.50K
--
Dr. Todd Wider, M.D.
Dr. Todd Wider, M.D.
Independent Director
Independent Director
735.70K
+3.59%
Mr. Donald G. Ainscow
Mr. Donald G. Ainscow
Executive Vice President, General Counsel, Company Secretary
Executive Vice President, General Counsel, Company Secretary
100.00K
--
Prof. Michael (Mike) Gorley, Ph.D.
Prof. Michael (Mike) Gorley, Ph.D.
Independent Director
Independent Director
81.36K
--
Mr. Sipho Nkosinathi Maseko
Mr. Sipho Nkosinathi Maseko
Independent Director
Independent Director
22.42K
--
Mr. Ralph L. Hunter, Jr.
Mr. Ralph L. Hunter, Jr.
Independent Director
Independent Director
--
--
View more
Name
Name/Position
Position
Shareholding
Change
Mr. Paul Elliot Mann
Mr. Paul Elliot Mann
Executive Chairman of the Board, Chief Executive Officer, Co-Founder
Executive Chairman of the Board, Chief Executive Officer, Co-Founder
7.76M
-2.05%
Dr. Hendrik Strydom, Ph.D.
Dr. Hendrik Strydom, Ph.D.
Chief Technology Officer
Chief Technology Officer
2.30M
-2.39%
Mr. Robert Ainscow
Mr. Robert Ainscow
Co-Founder, Chief Operating Officer
Co-Founder, Chief Operating Officer
1.55M
-5.62%
Dr. Duncan Moore, Ph.D.
Dr. Duncan Moore, Ph.D.
Independent Director
Independent Director
994.55K
--
Ms. Heather Kiessling
Ms. Heather Kiessling
Chief Financial Officer
Chief Financial Officer
812.50K
--
Dr. Todd Wider, M.D.
Dr. Todd Wider, M.D.
Independent Director
Independent Director
735.70K
+3.59%
Revenue Breakdown
Relevant data have not been disclosed by the company yet.
Relevant data have not been disclosed by the company yet.
By Business
By Region
Relevant data have not been disclosed by the company yet.
Shareholding Stats
Updated: Sun, Nov 30
Updated: Sun, Nov 30
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Mann (Paul Elliot)
7.00%
BlackRock Institutional Trust Company, N.A.
4.53%
AK Jensen Investment Management Ltd
4.47%
The Vanguard Group, Inc.
4.08%
Rovida Investment Management Ltd
2.89%
Other
77.04%
Shareholders
Shareholders
Proportion
Mann (Paul Elliot)
7.00%
BlackRock Institutional Trust Company, N.A.
4.53%
AK Jensen Investment Management Ltd
4.47%
The Vanguard Group, Inc.
4.08%
Rovida Investment Management Ltd
2.89%
Other
77.04%
Shareholder Types
Shareholders
Proportion
Investment Advisor
23.90%
Investment Advisor/Hedge Fund
12.61%
Individual Investor
11.44%
Hedge Fund
8.26%
Corporation
4.47%
Research Firm
2.90%
Family Office
0.27%
Bank and Trust
0.18%
Pension Fund
0.14%
Other
35.83%
Institutional Shareholding
Updated: Mon, Dec 8
Updated: Mon, Dec 8
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q4
254
55.02M
41.64%
+130.04K
2025Q3
254
54.89M
50.15%
+10.63M
2025Q2
214
44.26M
45.99%
+7.65M
2025Q1
172
35.12M
52.48%
-2.70M
2024Q4
150
32.56M
37.29%
+10.01M
2024Q3
115
22.54M
22.87%
+11.13M
2024Q2
83
8.83M
14.02%
+5.04M
2024Q1
42
3.79M
10.02%
-1.08M
2023Q4
23
1.67M
7.12%
+1.37M
2023Q3
16
308.07K
10.05%
-243.41K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Mann (Paul Elliot)
8.08M
8.8%
+768.74K
+10.51%
Sep 09, 2025
BlackRock Institutional Trust Company, N.A.
3.68M
4.01%
-97.51K
-2.58%
Jun 30, 2025
AK Jensen Investment Management Ltd
4.71M
5.12%
-875.06K
-15.67%
Dec 31, 2024
The Vanguard Group, Inc.
3.28M
3.56%
+187.69K
+6.08%
Jun 30, 2025
Rovida Investment Management Ltd
2.20M
2.39%
+1.85M
+528.57%
Jun 30, 2025
AWM Investment Company, Inc.
3.93M
4.28%
-580.00K
-12.86%
Jun 30, 2025
Alyeska Investment Group, L.P.
4.18M
4.55%
+4.18M
--
Jun 30, 2025
Capital Research Global Investors
2.87M
3.12%
--
--
Jun 30, 2025
Geode Capital Management, L.L.C.
1.35M
1.47%
+94.75K
+7.56%
Jun 30, 2025
Philadelphia Financial Management of San Francisco, LLC
2.67M
2.91%
-837.85K
-23.88%
Jun 30, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Range Nuclear Renaissance Index ETF
2.07%
Invesco Dorsey Wright Basic Materials Momentum ETF
1.84%
JPMorgan Diversified Return U.S. Small Cap Equity ETF
0.23%
iShares Micro-Cap ETF
0.15%
Vanguard US Momentum Factor ETF
0.14%
Goldman Sachs ActiveBeta US Small Cap Equity ETF
0.06%
iShares Russell 2000 Growth ETF
0.04%
Schwab U.S. Small-Cap ETF
0.03%
Global X Russell 2000 ETF
0.03%
Proshares Ultra Russell 2000
0.03%
View more
Range Nuclear Renaissance Index ETF
Proportion2.07%
Invesco Dorsey Wright Basic Materials Momentum ETF
Proportion1.84%
JPMorgan Diversified Return U.S. Small Cap Equity ETF
Proportion0.23%
iShares Micro-Cap ETF
Proportion0.15%
Vanguard US Momentum Factor ETF
Proportion0.14%
Goldman Sachs ActiveBeta US Small Cap Equity ETF
Proportion0.06%
iShares Russell 2000 Growth ETF
Proportion0.04%
Schwab U.S. Small-Cap ETF
Proportion0.03%
Global X Russell 2000 ETF
Proportion0.03%
Proshares Ultra Russell 2000
Proportion0.03%
Dividend
A total of
0.00
USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data
Stock Split
Date
Type
Ratio
No Data
Date
Type
Ratio
No Data
FAQs
Who are the top five shareholders of ASP Isotopes Inc?
The top five shareholders of ASP Isotopes Inc are:
Mann (Paul Elliot) holds 8.08M shares, accounting for 8.80% of the total shares.
BlackRock Institutional Trust Company, N.A. holds 3.68M shares, accounting for 4.01% of the total shares.
AK Jensen Investment Management Ltd holds 4.71M shares, accounting for 5.12% of the total shares.
The Vanguard Group, Inc. holds 3.28M shares, accounting for 3.56% of the total shares.
Rovida Investment Management Ltd holds 2.20M shares, accounting for 2.39% of the total shares.
Mann (Paul Elliot) holds 8.08M shares, accounting for 8.80% of the total shares.
BlackRock Institutional Trust Company, N.A. holds 3.68M shares, accounting for 4.01% of the total shares.
AK Jensen Investment Management Ltd holds 4.71M shares, accounting for 5.12% of the total shares.
The Vanguard Group, Inc. holds 3.28M shares, accounting for 3.56% of the total shares.
Rovida Investment Management Ltd holds 2.20M shares, accounting for 2.39% of the total shares.
What are the top three shareholder types of ASP Isotopes Inc?
The top three shareholder types of ASP Isotopes Inc are:
Mann (Paul Elliot)
BlackRock Institutional Trust Company, N.A.
AK Jensen Investment Management Ltd
Mann (Paul Elliot)
BlackRock Institutional Trust Company, N.A.
AK Jensen Investment Management Ltd
How many institutions hold shares of ASP Isotopes Inc (ASPI)?
As of 2025Q4, 254 institutions hold shares of ASP Isotopes Inc, with a combined market value of approximately 55.02M, accounting for 41.64% of the total shares. Compared to 2025Q3, institutional shareholding has increased by -8.51%.
What is the biggest source of revenue for ASP Isotopes Inc?
In --, the -- business generated the highest revenue for ASP Isotopes Inc, amounting to -- and accounting for --% of total revenue.
