ASP ISOTOPES INC (ASPI) Institutional Ownership Changes & 13F Activity

ASP ISOTOPES INC (ASPI). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Polen Capital Management and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Polen Capital ManagementSell-16,541122,970$543,527
Q4 2025Polen Capital ManagementSell-93,402139,511$746,384
Q3 2025Polen Capital ManagementBuy57,775232,913$2,240,623
Q3 2025Renaissance Technologies LLCBuy29,400201,200$1,935,544
Q2 2025Polen Capital ManagementBuy175,138175,138$1,289,016
Q2 2024Renaissance Technologies LLCBuy9,200171,800$525,708
Q1 2024Renaissance Technologies LLCBuy87,832162,600$672
Q4 2023Renaissance Technologies LLCSell-26,11174,768$134
Q3 2023Renaissance Technologies LLCSell-378,121100,879$96
Q2 2023Renaissance Technologies LLCBuy479,000479,000$272

Frequently asked questions about ASPI activity

  • Which institutional owners are buying ASPI?

    Institutional owners buying ASPI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ASPI activity?

    "Buy" means an investor increased their reported position in ASPI compared to the prior reporting period. This reflects growing exposure to ASP ISOTOPES INC (ASPI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ASPI increasing?

    Institutional interest in ASPI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.