ASPI — ASP ISOTOPES INC

Ownership history in DRIEHAUS CAPITAL MANAGEMENT LLC  ·  2 quarters on record

This page tracks every 13F SEC filing in which DRIEHAUS CAPITAL MANAGEMENT LLC reported a position in ASP ISOTOPES INC (ASPI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.1% (2025 Q3)
Avg. % of fund
0.09%
First filed
2025 Q2
Last filed
2025 Q3
Quarters held
2
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 1,419,837 +14,423 +1.0% 0.10% $13.7M $9.62
2025 Q2 INITIATED 1,405,414 — — 0.08% $10.3M $7.36
% of Fund (quarterly)    ASPI price (monthly, adj. close)

Other funds also holding ASPI

As of 2025 Q4 — sorted by position size

SOUTHPORT MANAGEMENT, L.L.C. 3Y 7Y 1.59% AWM Investment Company, Inc. 3Y 7Y 1.1% Diametric Capital, LP 3Y 7Y 1.06% WIM INVESTMENT MANAGEMENT Ltd 0.83% Telemark Asset Management, LLC 3Y 7Y 0.44% Shay Capital LLC 3Y 0.32% CANNELL CAPITAL LLC 3Y 7Y 0.29% Crawford Fund Management, LLC 0.17% Shay Capital LLC 3Y 0.17% HITE Hedge Asset Management LLC 3Y 7Y 0.15%
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