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 2025
Institutional positions in ASP Isotopes Inc. as of Jun 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
- 130
- +31 vs. Q1 2025
- Shares held
- 41.5M
- +8.94M (+27.4%) vs. Q1 2025
- Total value
- $305.5M
- +$152.7M (+100.0%) vs. Q1 2025
- New holders
- 44
- 50 more added
- Sold out
- 13
- 24 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding ASP Isotopes Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Options Solutions, LLC | 175,138 | $1.29M | 0.46% | +153,138+696.1% | Added |
| Charles Schwab Investment Management Inc | 174,928 | $1.29M | 0.00% | +9,564+5.8% | Added |
| Polen Capital Management LLC | 175,138 | $1.29M | 0.00% | +175,138 | New |
| Barclays PLC | 175,948 | $1.29M | 0.00% | +91,407+108.1% | Added |
| Rathbone Brothers plc | 208,149 | $1.53M | 0.01% | +2,220+1.1% | Added |
| JPMorgan Chase & Co | 219,105 | $1.61M | 0.00% | −9,601−4.2% | Reduced |
| Voloridge Investment Management, LLC | 225,249 | $1.66M | 0.01% | +225,249 | New |
| Simplex Trading, LLC | 240,150 | $1.77M | 0.05% | +237,572+9,215.4% | Added |
| Diametric Capital, LP | 269,527 | $1.98M | 1.06% | −123,498−31.4% | Reduced |
| Tudor Investment Corp Et Al | 334,998 | $2.47M | 0.02% | +184,975+123.3% | Added |
| Two Sigma Investments, LP | 342,912 | $2.52M | 0.00% | +139,845+68.9% | Added |
| Gsa Capital Partners LLP | 384,326 | $2.83M | 0.20% | −185,252−32.5% | Reduced |
| Northern Trust Corp | 433,288 | $3.19M | 0.00% | −27,441−6.0% | Reduced |
| Morgan Stanley | 451,329 | $3.32M | 0.00% | +188,866+72.0% | Added |
| Invesco Ltd. | 471,219 | $3.47M | 0.00% | +450,776+2,205.0% | Added |
| Group One Trading, L.P. | 706,788 | $5.20M | 0.17% | +437,160+162.1% | Added |
| State Street Corp | 1,114,200 | $8.20M | 0.00% | +66,856+6.4% | Added |
| Exchange Traded Concepts, LLC | 1,303,414 | $9.59M | 0.12% | +1,303,414 | New |
| Geode Capital Management, LLC | 1,348,072 | $9.92M | 0.00% | +94,751+7.6% | Added |
| Driehaus Capital Management LLC | 1,405,414 | $10.3M | 0.08% | +1,405,414 | New |
| Telemark Asset Management, LLC | 1,425,000 | $10.5M | 1.11% | −50,000−3.4% | Reduced |
| UBS Group AG | 1,428,276 | $10.5M | 0.00% | +412,812+40.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,965,484 | $14.5M | 0.04% | −1,672,731−46.0% | Reduced |
| Rovida Investment Management Ltd | 2,200,000 | $16.1M | 2.99% | +1,850,000+528.6% | Added |
| Philadelphia Financial Management of San Francisco, LLC | 2,670,211 | $19.7M | 4.36% | −837,851−23.9% | Reduced |
| Capital Research Global Investors | 2,868,062 | $21.1M | 0.00% | 00.0% | Unchanged |
| Vanguard Group Inc | 3,275,739 | $24.1M | 0.00% | +187,687+6.1% | Added |
| AWM Investment Company, Inc. | 3,931,186 | $28.9M | 3.24% | −580,000−12.9% | Reduced |
| BlackRock, Inc. | 4,028,715 | $29.7M | 0.00% | −22,365−0.6% | Reduced |
| Alyeska Investment Group, L.P. | 4,179,934 | $30.8M | 0.11% | +4,179,934 | New |
| CenterBook Partners LP | 0 | $0 | 0.00% | −175,959−100.0% | Sold out |
| Sculptor Capital LP | 0 | $0 | 0.00% | −95,800−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −86,600−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −55,749−100.0% | Sold out |
| Pekin Hardy Strauss, Inc. | 0 | $0 | 0.00% | −28,450−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −26,776−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Fortitude Advisory Group L.L.C. | 0 | $0 | 0.00% | −13,600−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −14,107−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −12,128−100.0% | Sold out |
| Snowden Capital Advisors LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Hanson & Doremus Investment Management | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −105−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |