Renaissance Technologies’s ASPI Holdings & Trades

First Buy
Q2 2023
Duration Held
10 Quarters
Largest Add
Q2 2023
+479,000 Shares
Current Position
201,200 Shares
$1.94 M Value

Renaissance Technologies's ASPI Position Overview

Renaissance Technologies (via Renaissance Technologies LLC) currently holds 201,200 shares of ASP Isotopes Inc. (ASPI) worth $1.94 M, representing 0.00% of the portfolio. First purchased in 2023-Q2, this medium-term investment has been held for 10 quarters.

Based on 13F filings, Renaissance Technologies has maintained a strategic position in ASPI, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2024, adding 87,832 shares. Largest reduction occurred in Q3 2023, reducing 378,121 shares.

Analysis based on 13F filings available since 2013 Q2

Renaissance Technologies's ASP Isotopes (ASPI) Holding Value Over Time

Track share changes against reported price movement

Quarterly ASP Isotopes (ASPI) Trades by Renaissance Technologies

Report Date Bought/Sold (Sh.) % Change Qtr. End Shares Reported Price
Q2 2023 +479,000 New Buy 479,000 $0.00
Q3 2023 -378,121 Reduce 78.94% 100,879 $0.95
Q4 2023 -26,111 Reduce 25.88% 74,768 $1.79
Q1 2024 +87,832 Add 117.47% 162,600 $4.13
Q2 2024 +9,200 Add 5.66% 171,800 $3.06
Q3 2024 -171,800 Sold Out 171,800 $0.00
Q3 2025 +201,200 New Buy 201,200 $9.62

Renaissance Technologies's ASP Isotopes Investment FAQs

Renaissance Technologies first purchased ASP Isotopes Inc. (ASPI) in Q2 2023, acquiring 479,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.

Renaissance Technologies has held ASP Isotopes Inc. (ASPI) for 10 quarters since Q2 2023.

Renaissance Technologies's largest addition to ASP Isotopes Inc. (ASPI) was in Q2 2023, adding 479,000 shares worth $272.

According to the latest 13F filing for Q3 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 201,200 shares of ASP Isotopes Inc. (ASPI), valued at approximately $1.94 M.

As of the Q3 2025 filing, ASP Isotopes Inc. (ASPI) represents approximately 0.00% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings.

Renaissance Technologies's peak holding in ASP Isotopes Inc. (ASPI) was 479,000 shares, as reported at the end of Q2 2023.