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Jim Simons's ASP Isotopes Inc. Common Stock (ASPI) position

Not anymore: Jim Simons fully exited ASPI in Q4 2025. The position peaked at an amount we cannot price in Q2 2023.
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Value at exit
an amount we cannot price
Shares at exit
201K
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

ASPI price vs Simons's position

Dates
$3.6$3.8$4$4.2$4.4← Earlier —4 purchases, 2 sells
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q4 2025 Exited −201K −100.0% 0 Feb 12, 2026
Q3 2025 New +201K 201K Nov 13, 2025
Q2 2024 Added +9K +5.7% 172K Aug 9, 2024
Q1 2024 Added +88K +117.5% 163K May 13, 2024
Q4 2023 Reduced −26K −25.9% 75K Feb 13, 2024
Q3 2023 Reduced −378K −78.9% 101K Nov 14, 2023
Q2 2023 New +479K 479K Aug 11, 2023
Data through Q4 2025 · filed Feb 12, 2026
7 grouped rows from 7 quarters

More Simons positions

Common questions

Does Jim Simons own ASPI?

Not currently. Jim Simons fully exited ASPI in Q4 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy ASPI?

Jim Simons first disclosed a ASPI position in Q2 2023; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell ASPI?

Yes. Jim Simons reduced and then fully exited ASPI by Q4 2025; the reductions are in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of ASPI does Jim Simons own?

None as of the latest filing: Jim Simons has exited ASPI. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for ASPI?

Jim Simons began building the ASPI position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.