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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, Q1 2024

Institutional positions in ASP Isotopes Inc. as of Mar 31, 2024. 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
31
+12 vs. Q4 2023
Shares held
4.00M
+2.32M (+138.6%) vs. Q4 2023
Total value
$16.5M
+$13.5M (+448.0%) vs. Q4 2023
New holders
16
12 more added
Sold out
4
3 more reduced

Compare with Q4 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 holdersQ1 2024: 31 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 heldQ1 2024: $16.5M
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, Q1 2024

Shares, value and share of portfolio for each institution holding ASP Isotopes Inc.; share changes are against Q4 2023.

Institutions holding ASPI in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc1,021,019$4.22M0.00%+844,705+479.1%Added
Millennium Management LLC356,420$1.47M0.00%+294,727+477.7%Added
Geode Capital Management, LLC304,523$1.26M0.00%+34,683+12.9%Added
Gsa Capital Partners LLP254,823$1.05M0.08%−84,900−25.0%Reduced
Goldman Sachs Group Inc220,021$908.7K0.00%+220,021New
Morgan Stanley219,981$908.5K0.00%+219,981New
Renaissance Technologies LLC162,600$672.0K0.00%+87,832+117.5%Added
JPMorgan Chase & Co155,304$641.4K0.00%+155,200+149,230.8%Added
Rathbone Brothers plc153,672$634.7K0.00%+1,922+1.3%Added
Jane Street Group, LLC141,328$583.7K0.00%+141,328New
State Street Corp116,100$479.5K0.00%+103,800+843.9%Added
HRT Financial LP115,230$475.0K0.00%+115,230New
Marshall Wace, LLP111,338$459.8K0.00%+111,338New
Qube Research & Technologies Ltd107,962$445.9K0.00%+107,962New
Virtu Financial LLC83,677$346.0K0.03%+69,176+477.0%Added
BlackRock Inc.81,969$338.5K0.00%+78,941+2,607.0%Added
Northern Trust Corp60,054$248.0K0.00%+36,828+158.6%Added
Citadel Advisors LLC50,695$209.4K0.00%−53,844−51.5%Reduced
Schonfeld Strategic Advisors LLC39,079$161.4K0.00%+39,079New
Squarepoint Ops LLC37,669$155.6K0.00%+37,669New
HTLF Bank35,538$146.8K0.02%−43,000−54.8%Reduced
Citigroup Inc31,160$128.7K0.00%+31,160New
Point72 Asia (Singapore) Pte. Ltd.29,405$121.4K0.03%+29,405New
Omers Administration Corp28,800$118.9K0.00%+28,800New
Brevan Howard Capital Management LP24,359$100.6K0.01%+24,359New
KKM Financial LLC15,600$64.4K0.03%+15,600New
Balyasny Asset Management LLC14,860$61.4K0.00%+14,860New
Tower Research Capital LLC (TRC)11,434$47.2K0.00%+5,802+103.0%Added
LMR Partners LLP10,322$42.6K0.00%+10,322New
Wells Fargo & Company221$9130.00%+3+1.4%Added
Macquarie Group Ltd990$40.00%+990New
Bank of Montreal0$00.00%−339,000−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−16,051−100.0%Sold out
UBS Group AG0$00.00%−3,277−100.0%Sold out
Bank of America Corp0$00.00%−40−100.0%Sold out