InvestorLens

ASPI — ASP ISOTOPES INC

Public company

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying ASPI?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
67
Institutional Conviction
Strong distribution · 1 buying vs 2 selling last quarter
22
Macro Tailwind
Macro conditions are mixed for this sector
56
Why? — Evidence & Confidence ▾

Of 3 tracked investors who changed their ASPI position last quarter, 1 bought and 2 sold (33% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).

Supporting evidence
  • +1 tracked investor added or increased positions last quarter (Steve Cohen)
  • +2 tracked investors reported holding ASPI at their latest filing
  • +Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource
Contradicting evidence — always shown
  • −2 tracked investors reduced or exited last quarter (1 reduced, 1 sold out)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.

About ASP ISOTOPES INC (ASPI)

ASP ISOTOPES INC (ASPI) appears in the most recent 13F filings of 2 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $29M. Across recent filings, tracked investors recorded 5 new positions, 7 increased, 2 reduced, and 4 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in ASPI

67
/100
Institutional Accumulation
Added / Increased12
Reduced2
Exited4
BearishBullish
Crowded Trade Score™

How many top investors track ASPI

13
/100
Undiscovered
2investors

Only 2 tracked investors report this position.

UndiscoveredCrowded
151015+

ASPI Ownership Composition

How ASP ISOTOPES INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Multi-Strategy / Quant
100% of tracked value
Institutions
2
tracked investors
Total Reported
$11.7M
combined 13F value
Types1
  • Multi-Strategy / Quant100.0%
Multi-Strategy / Quant(2)
100.0%

Tracked investors currently reporting ASPI

2 tracked investors have since exited this position — listed separately below.

  • Ken GriffinJun 30, 2026
    Citadel Advisors
    Shares
    1.7M
    Value
    $10.7M
    % Portfolio
    0.00%
  • Steve CohenJun 30, 2026
    Point72 Asset Management
    Shares
    164.3K
    Value
    $1M
    % Portfolio
    0.00%

Previously held ASPI

These investors reported ASPI in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

InvestorFirmLast reported sharesValue thenLast held
Paul Tudor JonesTudor Investment Corp161K$711.8KMar 31, 2026
Izzy EnglanderMillennium Management246K$2.4MSep 30, 2025

Recent activity

Frequently asked questions

How many institutional investors hold ASPI?
2 tracked institutional investors disclosed a position in ASPI (ASP ISOTOPES INC) in their most recent 13F filing.
Who is the largest institutional holder of ASPI?
Ken Griffin, Citadel Advisors, holds the largest disclosed position in ASPI, valued at $29M.
Did institutional ownership of ASPI increase or decrease?
Across recent 13F filings, tracked investors recorded 5 new positions, 7 increased, 2 reduced, and 4 fully exited ASPI.
Where does this ASPI ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.