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ASP Isotopes Inc.

ASPI
Exchange
Nasdaq
Industry
Miscellaneous Chemical Products
SEC CIK
0001921865

In the last 90 days, ASP Isotopes Inc. insiders filed 0 open-market purchases and 8 sales; 185 institutions reported holding it in 13F filings for Q2 2026, worth $406.1M in total; no superinvestor holds it.

13F holders, Q4 2023

Institutional positions in ASP Isotopes Inc. as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
19
+8 vs. Q3 2023
Shares held
1.67M
+1.37M (+443.6%) vs. Q3 2023
Total value
$3.01M
+$2.72M (+928.1%) vs. Q3 2023
New holders
10
6 more added
Sold out
2
3 more reduced

Compare with Q3 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ASPI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2023: 19 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 3 institutionsQ1 2023: 6 institutionsQ2 2023: 4 institutionsQ3 2023: 11 institutionsQ4 2023: 19 institutionsQ1 2024: 31 institutionsQ2 2024: 51 institutionsQ3 2024: 69 institutionsQ4 2024: 95 institutionsQ1 2025: 100 institutionsQ2 2025: 130 institutionsQ3 2025: 157 institutionsQ4 2025: 173 institutionsQ1 2026: 177 institutionsQ2 2026: 185 institutions
Value heldQ4 2023: $3.01M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $75.3KQ1 2023: $2.77MQ2 2023: $1.02MQ3 2023: $292.9KQ4 2023: $3.01MQ1 2024: $16.5MQ2 2024: $26.9MQ3 2024: $62.5MQ4 2024: $147.3MQ1 2025: $152.8MQ2 2025: $305.7MQ3 2025: $512.6MQ4 2025: $315.4MQ1 2026: $284.2MQ2 2026: $406.1M
Institutions holding ASPI and their total value by quarter
QuarterHoldersValue
Q2 2026185$406.1M
Q1 2026177$284.2M
Q4 2025173$315.4M
Q3 2025157$512.6M
Q2 2025130$305.7M
Q1 2025100$152.8M
Q4 202495$147.3M
Q3 202469$62.5M
Q2 202451$26.9M
Q1 202431$16.5M
Q4 202319$3.01M
Q3 202311$292.9K
Q2 20234$1.02M
Q1 20236$2.77M
Q4 20223$75.3K
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding ASP Isotopes Inc.; share changes are against Q3 2023.

Institutions holding ASPI in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of Montreal339,000$620.4K0.00%+339,000New
Gsa Capital Partners LLP339,723$608.0K0.05%+339,723New
Geode Capital Management, LLC269,840$483.1K0.00%+165,526+158.7%Added
Vanguard Group Inc176,314$315.6K0.00%+155,853+761.7%Added
Rathbone Brothers plc151,750$271.6K0.00%+151,750New
Citadel Advisors LLC104,539$187.1K0.00%+104,539New
HTLF Bank78,538$140.6K0.02%+78,538New
Renaissance Technologies LLC74,768$134.0K0.00%−26,111−25.9%Reduced
Millennium Management LLC61,693$110.4K0.00%+61,693New
Northern Trust Corp23,226$41.6K0.00%+1,075+4.9%Added
Two Sigma Securities, LLC16,051$28.7K0.00%+3,974+32.9%Added
Virtu Financial LLC14,501$26.0K0.00%+14,501New
State Street Corp12,300$22.0K0.00%+12,300New
Tower Research Capital LLC (TRC)5,632$10.1K0.00%−6,192−52.4%Reduced
UBS Group AG3,277$5.87K0.00%−1,265−27.9%Reduced
BlackRock Inc.3,028$5.42K0.00%+3,028New
Wells Fargo & Company218$3900.00%+95+77.2%Added
JPMorgan Chase & Co104$1860.00%+99+1,980.0%Added
Bank of America Corp40$720.00%+40New
Warberg Asset Management LLC0$00.00%−17,000−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−14,692−100.0%Sold out