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, Q2 2026
Institutional positions in ASP Isotopes Inc. as of Jun 30, 2026. 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
- 185
- +12 vs. Q1 2026
- Shares held
- 65.4M
- +1.26M (+2.0%) vs. Q1 2026
- Total value
- $406.1M
- +$122.2M (+43.0%) vs. Q1 2026
- New holders
- 40
- 74 more added
- Sold out
- 28
- 51 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $284.2M |
| Q4 2025 | 173 | $315.4M |
| Q3 2025 | 157 | $512.6M |
| Q2 2025 | 130 | $305.7M |
| Q1 2025 | 100 | $152.8M |
| Q4 2024 | 95 | $147.3M |
| Q3 2024 | 69 | $62.5M |
| Q2 2024 | 51 | $26.9M |
| Q1 2024 | 31 | $16.5M |
| 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, Q2 2026
Shares, value and share of portfolio for each institution holding ASP Isotopes Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,217,198 | $57.3M | 0.00% | +889,054+10.7% | Added |
| Encompass Capital Advisors LLC | 6,561,754 | $40.8M | 1.76% | −350,300−5.1% | Reduced |
| Vanguard Capital Management LLC | 4,982,953 | $31.0M | 0.00% | −77,511−1.5% | Reduced |
| Rovida Investment Management Ltd | 4,100,000 | $25.5M | 1.74% | 00.0% | Unchanged |
| UBS Group AG | 3,247,633 | $20.2M | 0.00% | +405,924+14.3% | Added |
| Geode Capital Management, LLC | 2,945,901 | $18.3M | 0.00% | +205,437+7.5% | Added |
| Alyeska Investment Group, L.P. | 2,843,503 | $17.7M | 0.05% | +151,337+5.6% | Added |
| State Street Corp | 2,595,573 | $16.1M | 0.00% | +273,414+11.8% | Added |
| Exchange Traded Concepts, LLC | 2,255,509 | $14.0M | 0.07% | +71,955+3.3% | Added |
| AWM Investment Company, Inc. | 1,581,490 | $9.84M | 0.85% | −543,006−25.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,577,016 | $9.81M | 0.01% | +689,771+77.7% | Added |
| Philadelphia Financial Management of San Francisco, LLC | 1,343,007 | $8.35M | 2.29% | +694,666+107.1% | Added |
| Morgan Stanley | 1,162,320 | $7.23M | 0.00% | −414,093−26.3% | Reduced |
| Vanguard Portfolio Management LLC | 1,115,391 | $6.94M | 0.00% | +138,221+14.1% | Added |
| Northern Trust Corp | 1,007,214 | $6.26M | 0.00% | +69,691+7.4% | Added |
| Charles Schwab Investment Management Inc | 935,352 | $5.82M | 0.00% | +38,116+4.2% | Added |
| Barclays PLC | 847,781 | $5.27M | 0.00% | −165,175−16.3% | Reduced |
| Marshall Wace, LLP | 835,656 | $5.20M | 0.00% | +835,656 | New |
| Man Group plc | 828,377 | $5.15M | 0.01% | +828,377 | New |
| Vanguard Fiduciary Trust Co | 788,561 | $4.90M | 0.00% | +35,245+4.7% | Added |
| Pacer Advisors, Inc. | 734,960 | $4.57M | 0.01% | +231,035+45.8% | Added |
| Bank of America Corp | 709,057 | $4.41M | 0.00% | +540,060+319.6% | Added |
| Susquehanna International Group, LLP | 705,153 | $4.39M | 0.00% | −352,187−33.3% | Reduced |
| Goldman Sachs Group Inc | 576,276 | $3.58M | 0.00% | +49,481+9.4% | Added |
| Wim Investment Management Ltd | 541,400 | $3.37M | 1.10% | −60,000−10.0% | Reduced |
| Diametric Capital, LP | 538,517 | $3.35M | 0.36% | −414,988−43.5% | Reduced |
| Nuveen, LLC | 493,421 | $3.07M | 0.00% | +285,979+137.9% | Added |
| Group One Trading, L.P. | 458,383 | $2.85M | 0.08% | −137,242−23.0% | Reduced |
| Shay Capital LLC | 413,000 | $2.57M | 0.28% | −16,500−3.8% | Reduced |
| Rathbone Brothers plc | 381,619 | $2.37M | 0.01% | −391,513−50.6% | Reduced |
| Citadel Advisors LLC | 357,591 | $2.22M | 0.00% | −410,415−53.4% | Reduced |
| Bank of New York Mellon Corp | 356,872 | $2.22M | 0.00% | +67,863+23.5% | Added |
| CAPROCK Group, Inc. | 321,365 | $2.00M | 0.04% | +365+0.1% | Added |
| HITE Hedge Asset Management LLC | 301,837 | $1.88M | 0.10% | −24,390−7.5% | Reduced |
| Bank of Montreal | 262,560 | $1.63M | 0.00% | +30,787+13.3% | Added |
| Saba Capital Management, L.P. | 261,470 | $1.63M | 0.05% | −96,155−26.9% | Reduced |
| JPMorgan Chase & Co | 241,054 | $1.50M | 0.00% | −32,408−11.9% | Reduced |
| Headlands Technologies LLC | 240,197 | $1.49M | 0.16% | +165,031+219.6% | Added |
| Empowered Funds, LLC | 225,089 | $1.40M | 0.01% | +39,136+21.0% | Added |
| DnB Asset Management AS | 214,880 | $1.34M | 0.00% | +155,098+259.4% | Added |
| Swiss National Bank | 214,700 | $1.34M | 0.00% | +4,600+2.2% | Added |
| Invesco Ltd. | 203,976 | $1.27M | 0.00% | +147,342+260.2% | Added |
| Purewater Capital LLC | 194,387 | $1.21M | 0.87% | −17,464−8.2% | Reduced |
| Russell Investments Group, Ltd. | 181,776 | $1.13M | 0.00% | +36,149+24.8% | Added |
| Chicago Partners Investment Group LLC | 265,459 | $1.07M | 0.02% | −108,619−29.0% | Reduced |
| Stifel Financial Corp | 166,034 | $1.03M | 0.00% | +45,509+37.8% | Added |
| Aquatic Capital Management LLC | 163,978 | $1.02M | 0.04% | +163,978 | New |
| UBS Asset Management Americas Inc | 161,219 | $1.00M | 0.00% | +48,743+43.3% | Added |
| SBI Securities Co., Ltd. | 159,346 | $991.1K | 0.02% | −5,293−3.2% | Reduced |
| Cetera Investment Advisers | 152,965 | $951.4K | 0.00% | +38,148+33.2% | Added |
| Polen Capital Management LLC | 149,559 | $930.3K | 0.01% | +26,589+21.6% | Added |
| Rhumbline Advisers | 141,284 | $878.8K | 0.00% | +23,606+20.1% | Added |
| Squarepoint Ops LLC | 123,951 | $771.0K | 0.00% | +53,354+75.6% | Added |
| Citigroup Inc | 121,309 | $754.5K | 0.00% | +46,147+61.4% | Added |
| California State Teachers Retirement System | 121,243 | $754.1K | 0.00% | +43,031+55.0% | Added |
| Deutsche Bank AG | 120,367 | $748.7K | 0.00% | +26,709+28.5% | Added |
| Point72 Asset Management, L.P. | 120,159 | $747.4K | 0.00% | +120,159 | New |
| Wells Fargo & Company | 116,119 | $722.3K | 0.00% | +66,386+133.5% | Added |
| Polymer Capital Management (US) LLC | 105,494 | $656.2K | 0.10% | +105,494 | New |
| Marex Group plc | 100,100 | $622.6K | 0.00% | +8,400+9.2% | Added |
| Canal Insurance CO | 100,000 | $622.0K | 0.14% | 00.0% | Unchanged |
| National Bank of Canada | 100,000 | $622.0K | 0.00% | +13,880+16.1% | Added |
| Price T Rowe Associates Inc | 96,913 | $603.0K | 0.00% | +16,272+20.2% | Added |
| Winton Group Ltd | 94,512 | $587.9K | 0.02% | +94,512 | New |
| Advisor Group Holdings, Inc. | 89,876 | $559.0K | 0.00% | +35,904+66.5% | Added |
| Legal & General Group Plc | 86,951 | $540.8K | 0.00% | +31,525+56.9% | Added |
| FNY Investment Advisers, LLC | 80,100 | $498.0K | 0.18% | −6,500−7.5% | Reduced |
| Alliancebernstein L.P. | 107,790 | $476.4K | 0.00% | +69,030+178.1% | Added |
| Pekin Hardy Strauss, Inc. | 74,450 | $463.1K | 0.04% | −14,000−15.8% | Reduced |
| Vanguard Asset Management, Ltd | 74,308 | $462.2K | 0.00% | 00.0% | Unchanged |
| Penn Capital Management Co Inc | 70,757 | $440.1K | 0.03% | −8,065−10.2% | Reduced |
| SEI Investments Co | 69,796 | $434.1K | 0.00% | −78,852−53.0% | Reduced |
| MetLife Investment Management | 69,727 | $433.7K | 0.00% | +6,140+9.7% | Added |
| Fort Washington Investment Advisors Inc | 67,136 | $417.6K | 0.00% | +67,136 | New |
| Prelude Capital Management, LLC | 66,505 | $413.7K | 0.03% | −87,145−56.7% | Reduced |
| Farther Finance Advisors, LLC | 62,618 | $389.5K | 0.00% | −87,598−58.3% | Reduced |
| MH & Associates Securities Management Corp | 62,265 | $387.3K | 0.35% | +12,169+24.3% | Added |
| Creative Planning | 55,779 | $346.9K | 0.00% | +14,199+34.1% | Added |
| Kingsview Wealth Management, LLC | 54,102 | $336.5K | 0.00% | +54,102 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 53,638 | $333.6K | 0.00% | +306+0.6% | Added |
| Bleakley Financial Group, LLC | 49,954 | $310.7K | 0.00% | +49,954 | New |
| American Century Companies Inc | 48,021 | $298.7K | 0.00% | +48,021 | New |
| Vanguard Global Advisers, LLC | 43,019 | $267.6K | 0.00% | 00.0% | Unchanged |
| Ninety One SA (PTY) Ltd | 40,489 | $251.8K | 0.01% | +40,489 | New |
| Brevan Howard Capital Management LP | 39,576 | $246.2K | 0.00% | +22,110+126.6% | Added |
| Jupiter Topco LLC | 39,000 | $242.8K | 0.00% | +39,000 | New |
| PFG Investments, LLC | 38,400 | $238.8K | 0.01% | −113,900−74.8% | Reduced |
| Royal Bank of Canada | 38,232 | $238.0K | 0.00% | +278+0.7% | Added |
| Advisory Services Network, LLC | 34,162 | $212.5K | 0.00% | −6,086−15.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 33,888 | $210.8K | 0.00% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 32,195 | $200.3K | 0.00% | +7,580+30.8% | Added |
| KLP Kapitalforvaltning AS | 31,600 | $196.6K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 31,526 | $196.1K | 0.01% | −5,018−13.7% | Reduced |
| Quantinno Capital Management LP | 31,087 | $193.4K | 0.00% | −1,980−6.0% | Reduced |
| CenterBook Partners LP | 30,907 | $192.2K | 0.01% | +30,907 | New |
| Manufacturers Life Insurance Company, The | 30,656 | $190.7K | 0.00% | +153+0.5% | Added |
| Intech Investment Management LLC | 30,655 | $190.7K | 0.00% | +4,204+15.9% | Added |
| LPL Financial LLC | 30,084 | $187.1K | 0.00% | −14,085−31.9% | Reduced |
| Valeo Financial Advisors, LLC | 30,000 | $186.6K | 0.00% | +30,000 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 30,000 | $186.6K | 0.00% | +30,000 | New |