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, Q3 2025
Institutional positions in ASP Isotopes Inc. as of Sep 30, 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
- 157
- +28 vs. Q2 2025
- Shares held
- 52.9M
- +11.4M (+27.5%) vs. Q2 2025
- Total value
- $508.9M
- +$203.5M (+66.6%) vs. Q2 2025
- New holders
- 45
- 69 more added
- Sold out
- 17
- 32 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding ASP Isotopes Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pekin Hardy Strauss, Inc. | 22,950 | $220.8K | 0.02% | +22,950 | New |
| GWM Advisors LLC | 21,900 | $210.7K | 0.00% | +21,900 | New |
| Neuberger Berman Group LLC | 21,763 | $209.4K | 0.00% | +21,763 | New |
| Mercer Global Advisors Inc | 21,056 | $202.6K | 0.00% | +1,622+8.3% | Added |
| Sig Brokerage, LP | 20,912 | $201.2K | 0.05% | +20,912 | New |
| Police & Firemen's Retirement System of New Jersey | 20,760 | $199.7K | 0.00% | +6,394+44.5% | Added |
| Fielder Capital Group LLC | 18,070 | $173.8K | 0.04% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 16,497 | $170.7K | 0.00% | +3,219+24.2% | Added |
| New York State Common Retirement Fund | 17,100 | $164.5K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 15,441 | $148.5K | 0.01% | +15,441 | New |
| Perennial Advisors, LLC | 15,000 | $144.3K | 0.02% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 14,851 | $142.9K | 0.00% | +9,302+167.6% | Added |
| Citigroup Inc | 14,753 | $141.9K | 0.00% | −5,424−26.9% | Reduced |
| Cresset Asset Management, LLC | 13,606 | $130.9K | 0.00% | +13,606 | New |
| Voya Investment Management LLC | 13,507 | $129.9K | 0.00% | −2,322−14.7% | Reduced |
| Simplex Trading, LLC | 13,397 | $128.0K | 0.00% | −226,753−94.4% | Reduced |
| LPL Financial LLC | 13,167 | $126.7K | 0.00% | −6,060−31.5% | Reduced |
| ProShare Advisors LLC | 13,101 | $126.0K | 0.00% | +1,448+12.4% | Added |
| Cetera Investment Advisers | 12,873 | $123.8K | 0.00% | +12,873 | New |
| FMR LLC | 12,728 | $122.4K | 0.00% | +2,367+22.8% | Added |
| Caitong International Asset Management Co., Ltd | 12,622 | $121.4K | 0.08% | +9,695+331.2% | Added |
| FNY Investment Advisers, LLC | 12,500 | $120.0K | 0.04% | +11,500+1,150.0% | Added |
| KKM Financial LLC | 12,000 | $115.4K | 0.04% | 00.0% | Unchanged |
| Chicago Capital, LLC | 12,000 | $115.4K | 0.00% | +12,000 | New |
| Cubist Systematic Strategies, LLC | 10,512 | $101.1K | 0.00% | +10,512 | New |
| Evelyn Partners Investment Management LLP | 10,000 | $96.2K | 0.00% | +10,000 | New |
| Once Capital Management, LLC | 9,600 | $92.4K | 0.03% | +9,600 | New |
| Legal & General Group Plc | 8,377 | $80.6K | 0.00% | +1,953+30.4% | Added |
| Leonteq Securities AG | 8,000 | $77.0K | 0.00% | −12,639−61.2% | Reduced |
| Close Asset Management Ltd | 7,500 | $72.0K | 0.00% | +7,500 | New |
| Ameritas Investment Partners, Inc. | 6,463 | $62.2K | 0.00% | +980+17.9% | Added |
| California State Teachers Retirement System | 3,767 | $36.2K | 0.00% | +2+0.1% | Added |
| Quantbot Technologies LP | 3,560 | $34.2K | 0.00% | +3,560 | New |
| Rockefeller Capital Management L.P. | 3,121 | $30.0K | 0.00% | +3,121 | New |
| Clear Street Markets LLC | 2,778 | $26.7K | 0.01% | +2,778 | New |
| Federation des caisses Desjardins du Quebec | 2,680 | $25.8K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 2,289 | $24.1K | 0.00% | +1,375+150.4% | Added |
| Amalgamated Bank | 1,808 | $17.0K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 1,536 | $14.8K | 0.00% | −1−0.1% | Reduced |
| Signaturefd, LLC | 1,000 | $9.62K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 1,000 | $9.62K | 0.00% | +1,000 | New |
| Optiver Holding B.V. | 588 | $5.66K | 0.00% | +588 | New |
| ORG Partners LLC | 585 | $5.63K | 0.00% | +350+148.9% | Added |
| CIBC Private Wealth Group, LLC | 300 | $2.89K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 220 | $2.12K | 0.00% | +220 | New |
| Armstrong Advisory Group, Inc | 216 | $2.08K | 0.00% | +216 | New |
| SJS Investment Consulting Inc. | 200 | $1.92K | 0.00% | +200 | New |
| GAMMA Investing LLC | 198 | $1.91K | 0.00% | +30+17.9% | Added |
| Rise Advisors, LLC | 193 | $1.86K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 186 | $1.79K | 0.00% | +32+20.8% | Added |
| SRS Capital Advisors, Inc. | 120 | $1.16K | 0.00% | +120 | New |
| AdvisorNet Financial, Inc | 120 | $1.15K | 0.00% | +120 | New |
| CWM, LLC | 149 | $1.00K | 0.00% | +4+2.8% | Added |
| The PNC Financial Services Group, Inc. | 78 | $750 | 0.00% | −34−30.4% | Reduced |
| Islay Capital Management, LLC | 39 | $375 | 0.00% | +39 | New |
| US Bancorp | 20 | $192 | 0.00% | −54−73.0% | Reduced |
| Allworth Financial LP | 5 | $49 | 0.00% | +5 | New |
| Activest Wealth Management | 0 | $0 | 0.00% | −480−100.0% | Sold out |
| Options Solutions, LLC | 0 | $0 | 0.00% | −175,138−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −81,700−100.0% | Sold out |
| Destination Wealth Management | 0 | $0 | 0.00% | −56,964−100.0% | Sold out |
| Saranac Partners Ltd | 0 | $0 | 0.00% | −44,195−100.0% | Sold out |
| Harbour Capital Advisors, LLC | 0 | $0 | 0.00% | −33,025−100.0% | Sold out |
| Apis Capital Advisors, LLC | 0 | $0 | 0.00% | −24,000−100.0% | Sold out |
| National Asset Management, Inc. | 0 | $0 | 0.00% | −16,380−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −14,569−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −11,311−100.0% | Sold out |
| Pale Fire Capital SE | 0 | $0 | 0.00% | −10,300−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −1,697−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −1,125−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −129−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −82−100.0% | Sold out |
| Rothschild Investment LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Avantax Advisory Services, Inc. | – | – | – | – | Not filed |