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
- +8.95M (+27.5%) vs. Q1 2025
- Total value
- $305.7M
- +$152.8M (+100.0%) vs. Q1 2025
- New holders
- 44
- 49 more added
- Sold out
- 13
- 25 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 | $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 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 |
|---|---|---|---|---|---|
| Alyeska Investment Group, L.P. | 4,179,934 | $30.8M | 0.11% | +4,179,934 | New |
| BlackRock, Inc. | 4,028,715 | $29.7M | 0.00% | −22,365−0.6% | Reduced |
| AWM Investment Company, Inc. | 3,931,186 | $28.9M | 3.24% | −580,000−12.9% | Reduced |
| Vanguard Group Inc | 3,275,739 | $24.1M | 0.00% | +187,687+6.1% | Added |
| Capital Research Global Investors | 2,868,062 | $21.1M | 0.00% | 00.0% | Unchanged |
| Philadelphia Financial Management of San Francisco, LLC | 2,670,211 | $19.7M | 4.36% | −837,851−23.9% | Reduced |
| Rovida Investment Management Ltd | 2,200,000 | $16.1M | 2.99% | +1,850,000+528.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,965,484 | $14.5M | 0.04% | −1,672,731−46.0% | Reduced |
| UBS Group AG | 1,428,276 | $10.5M | 0.00% | +412,812+40.7% | Added |
| Telemark Asset Management, LLC | 1,425,000 | $10.5M | 1.11% | −50,000−3.4% | Reduced |
| Driehaus Capital Management LLC | 1,405,414 | $10.3M | 0.08% | +1,405,414 | New |
| Geode Capital Management, LLC | 1,348,072 | $9.92M | 0.00% | +94,751+7.6% | Added |
| Exchange Traded Concepts, LLC | 1,303,414 | $9.59M | 0.12% | +1,303,414 | New |
| State Street Corp | 1,114,200 | $8.20M | 0.00% | +66,856+6.4% | Added |
| Group One Trading, L.P. | 706,788 | $5.20M | 0.17% | +437,160+162.1% | Added |
| Invesco Ltd. | 471,219 | $3.47M | 0.00% | +450,776+2,205.0% | Added |
| Morgan Stanley | 451,329 | $3.32M | 0.00% | +188,866+72.0% | Added |
| Northern Trust Corp | 433,288 | $3.19M | 0.00% | −27,441−6.0% | Reduced |
| Gsa Capital Partners LLP | 384,326 | $2.83M | 0.20% | −185,252−32.5% | Reduced |
| Two Sigma Investments, LP | 342,912 | $2.52M | 0.00% | +139,845+68.9% | Added |
| Tudor Investment Corp Et Al | 334,998 | $2.47M | 0.02% | +184,975+123.3% | Added |
| Diametric Capital, LP | 269,527 | $1.98M | 1.06% | −123,498−31.4% | Reduced |
| Simplex Trading, LLC | 240,150 | $1.77M | 0.05% | +237,572+9,215.4% | Added |
| Voloridge Investment Management, LLC | 225,249 | $1.66M | 0.01% | +225,249 | New |
| JPMorgan Chase & Co | 219,105 | $1.61M | 0.00% | −9,601−4.2% | Reduced |
| Rathbone Brothers plc | 208,149 | $1.53M | 0.01% | +2,220+1.1% | Added |
| Barclays PLC | 175,948 | $1.29M | 0.00% | +91,407+108.1% | Added |
| Polen Capital Management LLC | 175,138 | $1.29M | 0.00% | +175,138 | New |
| Charles Schwab Investment Management Inc | 174,928 | $1.29M | 0.00% | +9,564+5.8% | Added |
| Options Solutions, LLC | 175,138 | $1.29M | 0.46% | +153,138+696.1% | Added |
| Creative Planning | 172,770 | $1.27M | 0.00% | +172,770 | New |
| Bank of New York Mellon Corp | 153,154 | $1.13M | 0.00% | +10,897+7.7% | Added |
| Jane Street Group, LLC | 149,434 | $1.10M | 0.00% | +149,434 | New |
| Citadel Advisors LLC | 145,203 | $1.07M | 0.00% | +145,203 | New |
| Bank of America Corp | 132,556 | $975.6K | 0.00% | +30,880+30.4% | Added |
| Nuveen, LLC | 131,997 | $971.5K | 0.00% | +767+0.6% | Added |
| Omers Administration Corp | 121,800 | $896.4K | 0.01% | +121,800 | New |
| Prelude Capital Management, LLC | 105,452 | $776.1K | 0.08% | −48,318−31.4% | Reduced |
| Susquehanna International Group, LLP | 102,291 | $752.9K | 0.00% | −175,555−63.2% | Reduced |
| Alliancebernstein L.P. | 98,870 | $727.7K | 0.00% | +69,340+234.8% | Added |
| Farther Finance Advisors, LLC | 95,999 | $706.6K | 0.01% | +95,999 | New |
| Virtu Financial LLC | 93,287 | $687.0K | 0.04% | +93,287 | New |
| Steward Partners Investment Advisory, LLC | 81,700 | $601.3K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 78,994 | $581.4K | 0.00% | +13,668+20.9% | Added |
| EAM Investors, LLC | 76,716 | $564.6K | 0.09% | +76,716 | New |
| IMC-Chicago, LLC | 75,277 | $554.0K | 0.01% | +75,277 | New |
| Marex Group plc | 75,000 | $552.0K | 0.01% | −7,535−9.1% | Reduced |
| Verition Fund Management LLC | 70,259 | $517.1K | 0.00% | +70,259 | New |
| Scientech Research LLC | 69,253 | $509.7K | 0.12% | +69,253 | New |
| Destination Wealth Management | 56,964 | $419.3K | 0.01% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 52,998 | $390.0K | 0.00% | +52,998 | New |
| Royal Bank of Canada | 49,142 | $362.0K | 0.00% | +39,070+387.9% | Added |
| MML Investors Services, LLC | 47,008 | $346.0K | 0.00% | +47,008 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 45,000 | $331.2K | 0.00% | +45,000 | New |
| Saranac Partners Ltd | 44,195 | $325.3K | 0.17% | 00.0% | Unchanged |
| Shay Capital LLC | 43,500 | $320.2K | 0.07% | +43,500 | New |
| Stifel Financial Corp | 38,452 | $283.0K | 0.00% | +38,452 | New |
| Deutsche Bank AG | 36,999 | $272.3K | 0.00% | −3,093−7.7% | Reduced |
| MetLife Investment Management | 34,897 | $256.8K | 0.00% | +3,165+10.0% | Added |
| Quest Partners LLC | 34,716 | $255.5K | 0.03% | +34,716 | New |
| Sanctuary Advisors, LLC | 34,266 | $252.2K | 0.00% | +21,082+159.9% | Added |
| Marshall Wace, LLP | 33,937 | $249.8K | 0.00% | −144,197−80.9% | Reduced |
| Allegheny Financial Group LTD | 33,891 | $249.4K | 0.06% | +33,891 | New |
| Millennium Management LLC | 32,281 | $237.6K | 0.00% | +13,968+76.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 31,678 | $233.2K | 0.00% | +65+0.2% | Added |
| Harbour Capital Advisors, LLC | 33,025 | $232.2K | 0.05% | +33,025 | New |
| Wells Fargo & Company | 29,369 | $216.2K | 0.00% | +3,254+12.5% | Added |
| Mariner, LLC | 28,645 | $210.8K | 0.00% | +28,645 | New |
| Goldman Sachs Group Inc | 28,449 | $209.4K | 0.00% | −59,058−67.5% | Reduced |
| Bank of Montreal | 27,000 | $198.7K | 0.00% | +2,000+8.0% | Added |
| Price T Rowe Associates Inc | 26,597 | $196.0K | 0.00% | +3,476+15.0% | Added |
| PFG Investments, LLC | 26,500 | $195.0K | 0.01% | +6,500+32.5% | Added |
| Intech Investment Management LLC | 25,756 | $189.6K | 0.00% | −1,196−4.4% | Reduced |
| XTX Topco Ltd | 24,155 | $177.8K | 0.01% | +24,155 | New |
| Apis Capital Advisors, LLC | 24,000 | $176.6K | 0.06% | −167,000−87.4% | Reduced |
| Belvedere Trading LLC | 23,630 | $173.9K | 0.01% | +23,630 | New |
| SBI Securities Co., Ltd. | 21,279 | $156.6K | 0.00% | +11,909+127.1% | Added |
| Manufacturers Life Insurance Company, The | 20,840 | $153.4K | 0.00% | +1,878+9.9% | Added |
| Leonteq Securities AG | 20,639 | $151.9K | 0.01% | +9,000+77.3% | Added |
| Citigroup Inc | 20,177 | $148.5K | 0.00% | −18,717−48.1% | Reduced |
| Mercer Global Advisors Inc | 19,434 | $143.0K | 0.00% | +6,243+47.3% | Added |
| LPL Financial LLC | 19,227 | $141.5K | 0.00% | +19,227 | New |
| Penn Capital Management Co Inc | 18,665 | $137.4K | 0.01% | +18,665 | New |
| Fielder Capital Group LLC | 18,070 | $133.0K | 0.04% | +10+0.1% | Added |
| New York State Common Retirement Fund | 17,100 | $125.9K | 0.00% | +13,800+418.2% | Added |
| Advisory Services Network, LLC | 13,835 | $125.5K | 0.00% | +13,835 | New |
| National Asset Management, Inc. | 16,380 | $120.6K | 0.01% | −2,400−12.8% | Reduced |
| Voya Investment Management LLC | 15,829 | $116.5K | 0.00% | −13,193−45.5% | Reduced |
| Perennial Advisors, LLC | 15,000 | $110.4K | 0.02% | +15,000 | New |
| FORA Capital, LLC | 14,569 | $107.2K | 0.01% | +14,569 | New |
| Police & Firemen's Retirement System of New Jersey | 14,366 | $105.7K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 14,035 | $103.3K | 0.00% | −9,711−40.9% | Reduced |
| Wolverine Trading, LLC | 13,278 | $98.3K | 0.00% | +13,278 | New |
| KKM Financial LLC | 12,000 | $88.3K | 0.03% | 00.0% | Unchanged |
| ProShare Advisors LLC | 11,653 | $85.8K | 0.00% | −177−1.5% | Reduced |
| GTS Securities LLC | 11,311 | $83.2K | 0.00% | +11,311 | New |
| Tower Research Capital LLC (TRC) | 10,890 | $80.2K | 0.00% | +5,353+96.7% | Added |
| Avantax Advisory Services, Inc. | 10,493 | $77.2K | 0.00% | +352+3.5% | Added |
| FMR LLC | 10,361 | $76.3K | 0.00% | +781+8.2% | Added |
| Pale Fire Capital SE | 10,300 | $75.8K | 0.01% | −400−3.7% | Reduced |