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NASDAQ: ASPI
Asp Isotopes Inc Stock Ownership - Who owns Asp Isotopes?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Asp Isotopes Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Robert AinscowCOO2026-03-068,438$5.44
$45.89kSell
Paul Elliot MannExecutive Chairman2026-03-02162,153$5.44
$881.46kSell
Heather KiesslingChief Financial Officer2025-12-1880,000$5.80
$463.84kSell
Robert AinscowInterim CEO and COO2025-12-088,438$6.20
$52.34kSell
Paul Elliot MannExecutive Chairman2025-12-01162,153$5.75
$932.87kSell
Robert AinscowInterim CEO and COO2025-11-2525,000$5.77
$144.23kSell
Paul Elliot MannExecutive Officer2025-11-2550,000$5.77
$288.45kSell
Paul Elliot MannExecutive Officer2025-11-17112,500$7.51
$844.54kSell
Robert AinscowInterim CEO and COO2025-11-1767,500$7.51
$506.72kSell
Robert AinscowInterim CEO and COO2025-10-1422,500$13.60
$305.98kSell

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Net Insider Buy/Sell (L12M) Ownership

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ASPI Shareholders

What type of owners hold Asp Isotopes Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Sergey Vasnetsov7.43%8,238,607$36.00MInsider
Paul Elliot Mann6.85%7,597,385$33.20MInsider
Hendrik Strydom6.67%7,394,846$32.32MInsider
Blackrock Inc6.13%6,789,417$29.67MInstitution
Ak Jensen Investment Management Ltd6.06%6,716,874$29.35MInsider
Vanguard Group Inc5.78%6,406,244$28.00MInstitution
Alyeska Investment Group LP4.42%4,895,546$21.39MInstitution
Rovida Investment Management Ltd3.70%4,100,000$17.92MInstitution
Einar Ronander3.25%3,597,424$15.72MInsider
Ubs Group Ag2.17%2,406,457$10.52MInstitution

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ASPI vs Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ASPI52.83%35.73%Net SellingNet Selling
VHI0.06%99.94%Net Buying
ASIX89.02%6.32%Net BuyingNet Buying
RYAM66.73%8.43%Net BuyingNet Selling
WLKP11.04%88.96%Net Selling
View Top Chemical Stocks

Asp Isotopes Stock Ownership FAQ

Who owns Asp Isotopes?

Asp Isotopes (NASDAQ: ASPI) is owned by 52.83% institutional shareholders, 35.73% Asp Isotopes insiders, and 11.44% retail investors. Sergey Vasnetsov is the largest individual Asp Isotopes shareholder, owning 8.24M shares representing 7.43% of the company. Sergey Vasnetsov's Asp Isotopes shares are currently valued at $36.00M.

If you're new to stock investing, here's how to buy Asp Isotopes stock.
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