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 2025
Institutional positions in ASP Isotopes Inc. as of Dec 31, 2025. 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
- 173
- +18 vs. Q3 2025
- Shares held
- 58.6M
- +5.67M (+10.7%) vs. Q3 2025
- Total value
- $313.2M
- −$195.4M (−38.4%) vs. Q3 2025
- New holders
- 49
- 77 more added
- Sold out
- 31
- 35 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 185 | $406.1M |
| Q1 2026 | 177 | $282.5M |
| Q4 2025 | 173 | $313.2M |
| Q3 2025 | 157 | $508.9M |
| Q2 2025 | 130 | $305.5M |
| Q1 2025 | 100 | $152.8M |
| Q4 2024 | 95 | $147.3M |
| Q3 2024 | 69 | $62.4M |
| Q2 2024 | 51 | $26.9M |
| Q1 2024 | 31 | $15.6M |
| Q4 2023 | 19 | $3.01M |
| Q3 2023 | 11 | $292.9K |
| Q2 2023 | 4 | $1.02M |
| Q1 2023 | 6 | $2.77M |
| Q4 2022 | 3 | $75.3K |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding ASP Isotopes Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rothschild Investment LLC | 6 | $32 | 0.00% | +6 | New |
| Massmutual Trust Co FSB | 17 | $91 | 0.00% | +17 | New |
| Quarry LP | 34 | $182 | 0.00% | +34 | New |
| Islay Capital Management, LLC | 39 | $209 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 50 | $268 | 0.00% | +45+900.0% | Added |
| The PNC Financial Services Group, Inc. | 93 | $498 | 0.00% | +15+19.2% | Added |
| Larson Financial Group LLC | 163 | $872 | 0.00% | +163 | New |
| SJS Investment Consulting Inc. | 200 | $1.07K | 0.00% | 00.0% | Unchanged |
| Armstrong Advisory Group, Inc | 216 | $1.16K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 256 | $1.37K | 0.00% | +58+29.3% | Added |
| SRS Capital Advisors, Inc. | 283 | $1.51K | 0.00% | +163+135.8% | Added |
| CIBC Private Wealth Group, LLC | 300 | $1.60K | 0.00% | 00.0% | Unchanged |
| ORG Partners LLC | 387 | $2.07K | 0.00% | −198−33.8% | Reduced |
| Optiver Holding B.V. | 409 | $2.19K | 0.00% | −179−30.4% | Reduced |
| Sterling Capital Management LLC | 576 | $3.08K | 0.00% | +390+209.7% | Added |
| Copia Wealth Management | 730 | $3.91K | 0.00% | +730 | New |
| Strive Financial Group ,LLC | 742 | $3.97K | 0.00% | +742 | New |
| CWM, LLC | 921 | $5.00K | 0.00% | +772+518.1% | Added |
| Hanson & Doremus Investment Management | 1,000 | $5.00K | 0.00% | +1,000 | New |
| Global Retirement Partners, LLC | 1,000 | $5.35K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,038 | $5.55K | 0.00% | −44,200−97.7% | Reduced |
| Signaturefd, LLC | 1,124 | $6.01K | 0.00% | +124+12.4% | Added |
| Parallel Advisors, LLC | 1,536 | $8.22K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,627 | $8.70K | 0.00% | −23,576−93.5% | Reduced |
| Bank of New Hampshire | 2,000 | $10.7K | 0.00% | +2,000 | New |
| Federation des caisses Desjardins du Quebec | 2,180 | $11.7K | 0.00% | −500−18.7% | Reduced |
| Amalgamated Bank | 2,906 | $16.0K | 0.00% | +1,098+60.7% | Added |
| Rockefeller Capital Management L.P. | 4,121 | $22.0K | 0.00% | +1,000+32.0% | Added |
| Jones Financial Companies LLLP | 4,883 | $26.1K | 0.00% | +2,594+113.3% | Added |
| Evelyn Partners Investment Management LLP | 5,000 | $26.8K | 0.00% | −5,000−50.0% | Reduced |
| Ameritas Investment Partners, Inc. | 6,463 | $34.6K | 0.00% | 00.0% | Unchanged |
| Close Asset Management Ltd | 7,500 | $40.0K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 9,000 | $48.1K | 0.00% | +9,000 | New |
| PEAK6 LLC | 9,280 | $49.6K | 0.00% | +9,280 | New |
| Creative Planning | 10,429 | $55.8K | 0.00% | −306,336−96.7% | Reduced |
| Victory Capital Management Inc | 11,234 | $60.1K | 0.00% | +11,234 | New |
| Pictet Asset Management Holding SA | 11,334 | $60.6K | 0.00% | +11,334 | New |
| Chicago Capital, LLC | 12,000 | $64.2K | 0.00% | 00.0% | Unchanged |
| KKM Financial LLC | 12,000 | $64.2K | 0.01% | 00.0% | Unchanged |
| DRW Securities, LLC | 12,350 | $66.1K | 0.01% | −3,091−20.0% | Reduced |
| FMR LLC | 12,710 | $68.0K | 0.00% | −18−0.1% | Reduced |
| Guggenheim Capital LLC | 13,415 | $71.8K | 0.00% | +13,415 | New |
| Steward Partners Investment Advisory, LLC | 13,765 | $73.6K | 0.00% | +13,765 | New |
| Caption Management, LLC | 13,800 | $73.8K | 0.00% | +13,800 | New |
| SummitTX Capital, L.P. | 14,128 | $75.6K | 0.00% | +14,128 | New |
| Two Sigma Securities, LLC | 14,275 | $76.4K | 0.01% | +14,275 | New |
| New York State Common Retirement Fund | 14,300 | $76.5K | 0.00% | −2,800−16.4% | Reduced |
| Inscription Capital, LLC | 14,360 | $76.8K | 0.01% | +14,360 | New |
| MML Investors Services, LLC | 14,586 | $78.0K | 0.00% | −34,263−70.1% | Reduced |
| Corsair Capital Management, L.P. | 15,000 | $80.3K | 0.01% | −10,000−40.0% | Reduced |
| Perennial Advisors, LLC | 15,000 | $80.3K | 0.01% | 00.0% | Unchanged |
| Atomi Financial Group, Inc. | 15,334 | $82.0K | 0.00% | +15,334 | New |
| J.W. Cole Advisors, Inc. | 16,663 | $85.4K | 0.00% | +16,663 | New |
| Voya Investment Management LLC | 16,122 | $86.3K | 0.00% | +2,615+19.4% | Added |
| KLP Kapitalforvaltning AS | 16,700 | $89.3K | 0.00% | +16,700 | New |
| ProShare Advisors LLC | 16,904 | $90.4K | 0.00% | +3,803+29.0% | Added |
| Tocqueville Asset Management L.P. | 17,000 | $91.0K | 0.00% | +17,000 | New |
| Fielder Capital Group LLC | 18,066 | $96.7K | 0.02% | −40.0% | Reduced |
| Integrated Wealth Concepts LLC | 18,508 | $99.0K | 0.00% | +18,508 | New |
| Scientech Research LLC | 18,775 | $100.4K | 0.06% | −45,613−70.8% | Reduced |
| BNP Paribas Arbitrage, SA | 20,069 | $107.4K | 0.00% | +5,218+35.1% | Added |
| Sanctuary Advisors, LLC | 20,150 | $107.8K | 0.00% | −8,402−29.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 20,760 | $111.1K | 0.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 21,427 | $114.6K | 0.00% | −336−1.5% | Reduced |
| Arizona State Retirement System | 21,676 | $116.0K | 0.00% | +21,676 | New |
| Patriot Financial Group Insurance Agency, LLC | 21,825 | $116.8K | 0.01% | +21,825 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 23,600 | $126.3K | 0.00% | +23,600 | New |
| Cresset Asset Management, LLC | 25,034 | $133.9K | 0.00% | +11,428+84.0% | Added |
| Mercer Global Advisors Inc | 25,550 | $136.7K | 0.00% | +4,494+21.3% | Added |
| Fortitude Advisory Group L.L.C. | 25,995 | $139.1K | 0.06% | +25,995 | New |
| Pekin Hardy Strauss, Inc. | 26,700 | $142.8K | 0.01% | +3,750+16.3% | Added |
| Centiva Capital, LP | 27,186 | $145.4K | 0.01% | +942+3.6% | Added |
| Squarepoint Ops LLC | 27,481 | $147.0K | 0.00% | −597,326−95.6% | Reduced |
| Manufacturers Life Insurance Company, The | 28,033 | $150.0K | 0.00% | +3,036+12.1% | Added |
| Leonteq Securities AG | 28,515 | $152.6K | 0.01% | +20,515+256.4% | Added |
| AQR Capital Management LLC | 29,356 | $157.1K | 0.00% | −298,666−91.1% | Reduced |
| Intech Investment Management LLC | 29,516 | $157.9K | 0.00% | −4,846−14.1% | Reduced |
| Raymond James Financial Inc | 29,566 | $158.2K | 0.00% | +29,566 | New |
| Dark Forest Capital Management LP | 30,737 | $164.4K | 0.01% | +30,737 | New |
| Royal Bank of Canada | 32,048 | $172.0K | 0.00% | −75,671−70.2% | Reduced |
| Advisory Services Network, LLC | 34,372 | $183.9K | 0.00% | +3,134+10.0% | Added |
| Allegheny Financial Group LTD | 34,473 | $184.4K | 0.03% | +975+2.9% | Added |
| Caitong International Asset Management Co., Ltd | 34,983 | $187.2K | 0.05% | +22,361+177.2% | Added |
| Axq Capital, LP | 38,092 | $203.8K | 0.05% | +38,092 | New |
| Janus Henderson Group PLC | 39,000 | $208.5K | 0.00% | +39,000 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 42,940 | $229.7K | 0.00% | +7,342+20.6% | Added |
| Atom Investors LP | 44,661 | $238.9K | 0.02% | +44,661 | New |
| Commonwealth Equity Services, LLC | 44,899 | $240.2K | 0.00% | −20,535−31.4% | Reduced |
| LPL Financial LLC | 47,600 | $254.7K | 0.00% | +34,433+261.5% | Added |
| MH & Associates Securities Management Corp | 48,666 | $260.4K | 0.21% | +48,666 | New |
| Price T Rowe Associates Inc | 49,044 | $263.0K | 0.00% | −998,714−95.3% | Reduced |
| Resolute Capital Asset Partners LLC | 50,000 | $267.5K | 0.13% | +50,000 | New |
| Advisor Group Holdings, Inc. | 50,686 | $271.2K | 0.00% | +13,735+37.2% | Added |
| MetLife Investment Management | 52,633 | $281.6K | 0.00% | +6,916+15.1% | Added |
| D. E. Shaw & Co., Inc. | 54,037 | $289.1K | 0.00% | +54,037 | New |
| Quantinno Capital Management LP | 56,776 | $303.8K | 0.00% | +56,776 | New |
| Invesco Ltd. | 59,553 | $318.6K | 0.00% | −83,754−58.4% | Reduced |
| National Bank of Canada | 62,397 | $333.2K | 0.00% | +32,247+107.0% | Added |
| Graham Capital Management, L.P. | 66,998 | $358.4K | 0.01% | +66,998 | New |
| Deutsche Bank AG | 68,620 | $367.1K | 0.00% | +25,919+60.7% | Added |