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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 2024

Institutional positions in ASP Isotopes Inc. as of Dec 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
95
+27 vs. Q3 2024
Shares held
32.5M
+10.1M (+45.0%) vs. Q3 2024
Total value
$147.3M
+$84.9M (+135.9%) vs. Q3 2024
New holders
37
34 more added
Sold out
10
18 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 95 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 2024: $147.3M
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 2024

Shares, value and share of portfolio for each institution holding ASP Isotopes Inc.; share changes are against Q3 2024.

Institutions holding ASPI in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BNP PARIBAS ASSET MANAGEMENT Holding S.A.4,328,502$19.6M0.05%+2,080,676+92.6%Added
AWM Investment Company, Inc.4,246,186$19.2M2.34%+586,600+16.0%Added
BlackRock, Inc.3,955,388$17.9M0.00%+1,252,759+46.4%Added
Vanguard Group Inc3,181,505$14.4M0.00%+360,748+12.8%Added
Philadelphia Financial Management of San Francisco, LLC3,153,545$14.3M2.87%+2,161,682+217.9%Added
UBS Group AG1,954,897$8.86M0.00%+1,891,178+2,968.0%Added
CenterBook Partners LP1,501,044$6.80M0.41%+1,501,044New
Telemark Asset Management, LLC1,475,000$6.68M0.67%−225,000−13.2%Reduced
Geode Capital Management, LLC1,175,450$5.33M0.00%+57,027+5.1%Added
State Street Corp1,029,732$4.66M0.00%+176,037+20.6%Added
Gsa Capital Partners LLP808,711$3.66M0.27%+37,722+4.9%Added
Two Sigma Investments, LP437,185$1.98M0.00%+437,185New
Northern Trust Corp435,688$1.97M0.00%+58,525+15.5%Added
Nuveen Asset Management, LLC413,346$1.87M0.00%+359,811+672.1%Added
Susquehanna International Group, LLP384,472$1.74M0.00%+358,735+1,393.8%Added
Alyeska Investment Group, L.P.347,022$1.57M0.01%−400,000−53.5%Reduced
Morgan Stanley315,540$1.43M0.00%+76,880+32.2%Added
Diametric Capital, LP303,855$1.38M0.93%+11,886+4.1%Added
Rovida Investment Management Ltd218,972$989.8K0.31%+218,972New
JPMorgan Chase & Co211,893$959.9K0.00%+167,501+377.3%Added
Rathbone Brothers plc176,099$797.7K0.00%−29,756−14.5%Reduced
Goldman Sachs Group Inc172,581$781.8K0.00%+87,876+103.7%Added
Apis Capital Advisors, LLC172,528$781.6K0.52%+172,528New
Charles Schwab Investment Management Inc158,226$716.8K0.00%+37,948+31.6%Added
Marshall Wace, LLP147,997$670.4K0.00%−852,717−85.2%Reduced
Bank of New York Mellon Corp125,874$570.2K0.00%−8,512−6.3%Reduced
Bank of America Corp113,084$512.3K0.00%+86,075+318.7%Added
Barclays PLC107,957$489.0K0.00%+35,627+49.3%Added
Prelude Capital Management, LLC102,720$465.3K0.04%−3,608−3.4%Reduced
Sculptor Capital LP95,800$434.0K0.01%+95,800New
Two Sigma Advisers, LP88,700$401.8K0.00%+88,700New
Marex Group plc77,500$351.1K0.01%+77,500New
Group One Trading, L.P.67,121$304.1K0.01%+67,121New
Rhumbline Advisers60,363$273.4K0.00%+24,664+69.1%Added
Citigroup Inc59,051$267.5K0.00%+22,636+62.2%Added
Squarepoint Ops LLC58,834$266.5K0.00%+26,219+80.4%Added
Virtu Financial LLC58,812$266.0K0.01%+47,119+403.0%Added
Saranac Partners Ltd44,195$200.2K0.11%+44,195New
Pekin Hardy Strauss, Inc.35,450$160.6K0.02%+35,450New
Centiva Capital, LP33,714$152.7K0.01%+33,714New
Deutsche Bank AG33,587$152.1K0.00%+6,763+25.2%Added
AQR Capital Management LLC30,121$136.4K0.00%−1,933−6.0%Reduced
Alliancebernstein L.P.29,530$133.8K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.28,904$130.9K0.00%+7,250+33.5%Added
Intech Investment Management LLC28,539$129.3K0.00%+28,539New
Corebridge Financial, Inc.26,039$118.0K0.00%−951−3.5%Reduced
MetLife Investment Management25,988$117.7K0.00%−5,834−18.3%Reduced
Bank of Montreal25,000$113.3K0.00%+25,000New
Paragon Associates & Paragon Associates II Joint Venture25,000$113.3K0.26%+25,000New
Wells Fargo & Company24,472$110.9K0.00%+8,925+57.4%Added
SG Americas Securities, LLC21,975$100.0K0.00%+21,975New
Price T Rowe Associates Inc21,646$99.0K0.00%+2,757+14.6%Added
Invesco Ltd.21,033$95.3K0.00%+1,690+8.7%Added
Engineers Gate Manager LP19,875$90.0K0.00%+19,875New
Manufacturers Life Insurance Company, The18,060$81.8K0.00%−503−2.7%Reduced
Fielder Capital Group LLC18,055$81.8K0.03%00.0%Unchanged
Sanctuary Advisors, LLC13,040$79.9K0.00%−10,602−44.8%Reduced
KKM Financial LLC17,250$78.1K0.03%−5,350−23.7%Reduced
Almanack Investment Partners, LLC.15,050$68.2K0.01%+15,050New
Voya Investment Management LLC15,037$68.1K0.00%−81−0.5%Reduced
Walleye Capital LLC15,000$68.0K0.00%−177,664−92.2%Reduced
ProShare Advisors LLC14,751$66.8K0.00%+14,751New
Police & Firemen's Retirement System of New Jersey14,366$65.1K0.00%+14,366New
Millennium Management LLC12,187$55.2K0.00%+12,187New
LPL Financial LLC11,990$54.3K0.00%+11,990New
Covestor Ltd11,908$54.0K0.03%+11,908New
Pale Fire Capital SE11,700$53.0K0.01%+11,700New
Leonteq Securities AG11,639$52.7K0.01%−1,700−12.7%Reduced
Boston Financial Mangement LLC11,000$49.8K0.00%+11,000New
Boston Private Wealth LLC10,765$48.8K0.00%+10,765New
Russell Investments Group, Ltd.10,221$46.3K0.00%+3,682+56.3%Added
Snowden Capital Advisors LLC10,000$45.3K0.00%−10,000−50.0%Reduced
Avantax Advisory Services, Inc.10,000$45.3K0.00%+10,000New
FMR LLC9,007$40.8K0.00%+1,406+18.5%Added
National Bank of Canada8,600$39.0K0.00%+8,600New
BNP Paribas Arbitrage, SA7,429$33.7K0.00%+7,429New
Hanson & Doremus Investment Management6,000$27.0K0.00%+6,000New
Legal & General Group Plc5,539$25.1K0.00%−541−8.9%Reduced
SBI Securities Co., Ltd.5,071$23.0K0.00%+5,071New
Tower Research Capital LLC (TRC)4,275$19.4K0.00%+447+11.7%Added
Ameritas Investment Partners, Inc.3,883$17.6K0.00%00.0%Unchanged
California State Teachers Retirement System3,765$17.1K0.00%00.0%Unchanged
New York State Common Retirement Fund3,300$14.9K0.00%+1,500+83.3%Added
Federation des caisses Desjardins du Quebec2,680$12.1K0.00%+2,680New
MAI Capital Management2,250$10.2K0.00%+2,250New
Amalgamated Bank1,371$6.00K0.00%00.0%Unchanged
Royal Bank of Canada1,073$5.00K0.00%−5,437−83.5%Reduced
Simplex Trading, LLC1,279$5.00K0.00%+1,279New
Creative Planning369$1.67K0.00%+369New
CIBC Private Wealth Group, LLC300$1.42K0.00%+300New
Nisa Investment Advisors, LLC138$6250.00%00.0%Unchanged
Sterling Capital Management LLC55$2490.00%+14+34.1%Added
US Bancorp54$2450.00%+54New
EverSource Wealth Advisors, LLC12$540.00%+12New
CWM, LLC79$00.00%+23+41.1%Added
Rovida Advisors Inc.0$00.00%−400,000−100.0%Sold out
MMCAP International Inc. SPC0$00.00%−273,143−100.0%Sold out
Fiera Capital Corp0$00.00%−260,000−100.0%Sold out
Jane Street Group, LLC0$00.00%−145,969−100.0%Sold out
Corsair Capital Management, L.P.0$00.00%−56,732−100.0%Sold out