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ASP Isotopes, Inc. (ASPI)
NASDAQ:ASPI
US Market
ASPI
ASP Isotopes, Inc.
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ASP Isotopes, Inc. (ASPI) Ownership - Who Owns ASP Isotopes, Inc.?

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ASP Isotopes, Inc. (ASPI) Ownership Overview

10.27%6.56%19.46%11.63%52.09%
10.27% Insiders
6.56% Mutual Funds
19.46% Other Institutional Investors
11.63% ETFs
52.09% Public Companies and Individual Investors
The ownership structure of ASP Isotopes, Inc. (ASPI) stock is a mix of institutional, retail, and individual investors. Approximately 37.64% of the company’s stock is owned by Institutional Investors, 10.27% is owned by Insiders, and 52.09% is owned by Public Companies and Individual Investors.
The ownership structure of ASP Isotopes, Inc. (ASPI) stock is a mix of institutional, retail, and individual investors. Approximately 26.02% of the company’s stock is owned by Institutional Investors, 10.27% is owned by Insiders, and 11.63% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date
Name
Activity
Value
Dec 29, 2025
Heather Kiessling
xxxxxxxxxxxxx
$463200
Show More Insider Trading Activity >

Recent Hedge Fund Trading Activity

Date
Firm
Activity
Value
Jun 30, 2025
Saba Capital Management
xxxxxxxxxxxxx
$1580703
Show More Hedge Fund Trading Activity >

Top Shareholders

Holder
# of Shares
Type
% Holding
Value
7,597,385Insider6.03%36,771,343
5,964,943Institution4.74%28,870,324
4,540,850Institution3.61%21,977,714
4,330,635Institution3.44%20,960,273
2,248,129Institution1.79%10,880,944
1,490,317Insider1.18%7,213,134
Richard Driehaus
1,419,837Institution1.13%6,872,011
1,092,254Institution0.87%5,286,509
1,044,928Insider0.83%5,057,452
979,453Institution0.78%4,740,553

Top Mutual Fund Holders

Holder
# of Shares
Type
% Holding
Value
4,540,850Institution3.61%21,977,714
1,092,254Institution0.87%5,286,509
979,453Institution0.78%4,740,553
551,424Institution0.44%2,668,892
306,484Institution0.24%1,483,383
284,103Institution0.23%1,375,059
174,994Institution0.14%846,971
58,813Institution0.05%284,655
49,304Institution0.04%238,631
48,094Institution0.04%232,775

Top ETF Holders

Holder
# of Shares
Type
% Holding
Value
Vanguard Total Stock Market ETF
3,702,095Institution2.94%16,363,260
iShares Russell 2000 ETF
2,615,587Institution2.08%15,615,054
Range Nuclear Renaissance Index ETF
2,248,129Institution1.79%13,983,362
Vanguard Extended Market ETF
1,250,252Institution0.99%5,526,114
iShares Russell 2000 Growth ETF
934,377Institution0.74%5,578,231
Vanguard Russell 2000 ETF
559,245Institution0.44%2,471,863
Schwab U.S. Small-Cap ETF
529,513Institution0.42%3,293,571
Pacer Benchmark Data & Infrastructure Real Estate SCTR ETF
517,411Institution0.41%3,218,296
Vanguard Materials ETF
310,134Institution0.25%1,631,305
iShares Micro-Cap ETF
290,271Institution0.23%1,732,918

FAQ

Who Owns ASP Isotopes, Inc. (ASPI)?
According to the latest TipRanks data, approximately 19.46% of the company's stock is held by institutional investors, 10.27% is held by insiders, and 52.09% is held by retail investors.
    What percentage of ASP Isotopes, Inc. (ASPI) stock is held by institutional investors?
    According to the latest TipRanks data, approximately 19.46% of ASP Isotopes, Inc. (ASPI) stock is held by institutional investors.
      What percentage of ASP Isotopes, Inc. (ASPI) stock is held by retail investors?
      According to the latest TipRanks data, approximately 52.09% of ASP Isotopes, Inc. (ASPI) stock is held by retail investors.
        Who owns the most shares of ASP Isotopes, Inc. (ASPI)?
        Paul Elliot Mann owns the most shares of ASP Isotopes, Inc. (ASPI).
          What is the significance of the ownership structure for a publicly traded company?
          The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.