ASP Isotopes Inc.

Historical 13F Holders

Symbol
ASPI
CUSIP
00218A105
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Shares Held, Excluding Options
Total Filers

13D/G Filers

Each filer's latest filing for 00218A105 since 12/18/2024, largest first.

Filer % of Class Filed
Mann Paul Elliot 13G/A 7.0% 2/17/2026
Event 12/31/2025
BlackRock, Inc. 13G/A 6.6% 4/27/2026
Event 3/31/2026
AWM Investment Company, Inc. 13G/A 5.8% 2/13/2026
Event 12/31/2025
AK Jensen Investment Management Ltd 13G/A 5.4% 11/14/2025
Event 9/30/2025
Encompass Capital Advisors LLC 13G
5.1% 1/23/2026
Event 1/16/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (2)
BNP Paribas Asset Management UK Ltd 13G/A 0.9% 2/9/2026
Event 12/31/2025
Vanguard Group Inc 13G/A 0% 3/26/2026
Event 3/13/2026

13F Holders by Quarter

Period Filers Shares, Excl. Options Value, Excl. Options
2026 Q3 125 49.0 M $130M
2026 Q2 193 65.4 M $406M
2026 Q1 183 63.9 M $283M
2025 Q4 180 58.6 M $313M
2025 Q3 163 52.9 M $509M
2025 Q2 135 41.5 M $306M
2025 Q1 106 32.6 M $153M
2024 Q4 101 32.5 M $147M
2024 Q3 70 22.4 M $62.4M
2024 Q2 52 8.80 M $26.9M
2024 Q1 32 3.77 M $15.6M
2023 Q4 20 1.67 M $3.01M
2023 Q3 12 308 k $293k
2023 Q2 5 551 k $1.02M
2023 Q1 7 3.25 M $2.77M
2022 Q4 4 47.2 k $75.3k