ASP Isotopes Ownership | Who Owns ASP Isotopes?
ASP Isotopes Ownership Summary
ASP Isotopes is owned by 19.84% institutional investors, 17.28% insiders, and 62.88% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 7.67% of ASPI shares.
ASPI Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | ASP Isotopes | 19.84% | 17.28% | 62.88% |
| Sector | Basic Materials Stocks | 32.98% | 12.17% | 54.85% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 6.79M | 7.67% | $36.32M |
| Vanguard group | 6.41M | 7.23% | $34.27M |
| Rovida investment management | 4.10M | 4.63% | $21.89M |
| Alyeska investment group | 2.82M | 3.87% | $27.15M |
| Ubs group | 2.41M | 2.72% | $12.87M |
| Geode capital management | 2.38M | 2.69% | $12.76M |
| Awm investment company | 2.12M | 2.40% | $11.37M |
| Philadelphia financial management of san francisco | 1.66M | 2.28% | $15.98M |
| Driehaus capital management | 1.42M | 1.94% | $13.66M |
| Goldman sachs group | 1.72M | 1.94% | $9.18M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Rovida investment management | 4.10M | 2.98% | $21.89M |
| Philadelphia financial management of san francisco | 1.66M | 1.79% | $15.98M |
| Diametric capital, lp | 355.68K | 1.27% | $3.42M |
| Southport management | 30.00K | 1.19% | $288.60K |
| Awm investment company | 2.12M | 1.10% | $11.37M |
| Wim investment management | 601.40K | 0.83% | $3.22M |
| Telemark asset management | 825.00K | 0.44% | $4.41M |
| Scientech research | 64.39K | 0.22% | $619.41K |
| Caitong asset management | 13.92K | 0.20% | $74.45K |
| Encompass capital advisors | 500.00K | 0.17% | $4.81M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard group | 6.41M | 0.00% | 1.89M |
| Ubs group | 2.41M | 0.00% | 1.45M |
| Blackrock funding, inc. /de | 6.79M | 0.00% | 1.33M |
| Goldman sachs group | 1.72M | 0.00% | 1.31M |
| Morgan stanley | 1.71M | 0.00% | 1.27M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rovida advisors | - | - | -2.20M |
| Capital research global investors | - | - | -2.04M |
| Alyeska investment group | 2.82M | 0.08% | -1.36M |
| Bnp paribas asset management | 663.94K | 0.02% | -1.30M |
| Philadelphia financial management of san francisco | 1.66M | 1.79% | -1.01M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Jump financial | 934.50K | 0.11% | 934.50K | $8.99M |
| Squarepoint ops | 624.81K | 0.01% | 624.81K | $6.01M |
| Wim investment management | 601.40K | 0.83% | 601.40K | $3.22M |
| Encompass capital advisors | 500.00K | 0.17% | 500.00K | $4.81M |
| Concentric capital strategies, lp | 218.05K | 0.09% | 218.05K | $2.10M |
Sold Out
| Holder | Change |
|---|---|
| Eversource wealth advisors | -12.00 |
| Us bancorp \de\ | -20.00 |
| Skopos labs | -82.00 |
| Parkside financial bank & trust | -105.00 |
| Advisornet financial | -120.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 43 | -75.00% | 17,565,242 | -66.80% | 19 | 0.38% | 34 | -70.18% | 4 | -87.50% |
| Sep 30, 2025 | 47 | -67.13% | 11,223,896 | -74.27% | 15 | 0.39% | 27 | -72.16% | 12 | -45.45% |
| Jun 30, 2025 | 139 | 34.95% | 43,501,048 | 34.24% | 62 | 1.85% | 93 | 60.34% | 22 | -12.00% |
| Mar 31, 2025 | 4 | -95.83% | 4,870,522 | -84.46% | 6 | 0.27% | 4 | -94.03% | - | -100.00% |
| Dec 31, 2024 | 99 | 50.00% | 32,397,783 | 44.75% | 52 | 3.98% | 70 | 25.00% | 18 | 200.00% |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 06, 2026 | Ainscow Robert | COO | Sell | $45.89K |
| Mar 02, 2026 | Mann Paul Elliot | Executive Chairman | Buy | $881.46K |
| Dec 18, 2025 | Kiessling Heather | Chief Financial Officer | Sell | $463.84K |
| Dec 08, 2025 | Ainscow Robert | Interim CEO and COO | Sell | $52.34K |
| Dec 01, 2025 | Mann Paul Elliot | Executive Chairman | Sell | $932.87K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 2 |
| 2025 Q4 | - | 8 |
| 2025 Q3 | - | 6 |
| 2025 Q2 | - | 6 |
| 2024 Q4 | - | - |
ASPI Ownership FAQ
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