ASP Isotopes Ownership | Who Owns ASP Isotopes?
ASP Isotopes Ownership Summary
ASP Isotopes is owned by 54.70% institutional investors, 11.08% insiders, and 34.22% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 7.62% of ASPI shares. Vanguard Morn Total Stk Mkt Idx Investor is the top mutual fund, with 2.85% of its assets in ASP Isotopes shares.
ASPI Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | ASP Isotopes | 54.70% | 11.08% | 34.22% |
| Sector | Basic Materials Stocks | 59.04% | 12.67% | 28.29% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 9.22M | 7.62% | $57.33M |
| Vanguard group | 6.41M | 7.23% | $34.27M |
| Encompass capital advisors | 6.56M | 5.42% | $40.81M |
| Vanguard capital management | 4.98M | 4.12% | $30.99M |
| Rovida investment management | 4.10M | 3.39% | $25.50M |
| Ubs group | 3.25M | 2.68% | $20.20M |
| Geode capital management | 2.95M | 2.43% | $18.33M |
| Alyeska investment group | 2.84M | 2.35% | $17.69M |
| State street | 2.60M | 2.15% | $16.14M |
| Driehaus capital management | 1.42M | 1.94% | $13.66M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Rovida investment management | 4.10M | 1.74% | $25.50M |
| Philadelphia financial management of san francisco | 1.34M | 1.68% | $8.35M |
| Encompass capital advisors | 6.56M | 1.45% | $40.81M |
| Southport management | 30.00K | 1.19% | $288.60K |
| Wim investment management | 541.40K | 1.10% | $3.37M |
| Awm investment company | 1.58M | 0.85% | $9.84M |
| Diametric capital, lp | 538.52K | 0.35% | $3.35M |
| Olympiad research lp | 18.61K | 0.24% | $115.73K |
| Fny investment advisers | 80.10K | 0.18% | $498.00K |
| Shay capital | 413.00K | 0.17% | $2.57M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard group | 6.41M | 0.00% | 1.89M |
| Sixth street partners management company | 935.35K | 0.00% | 935.35K |
| Blackrock funding, inc. /de | 9.22M | 0.00% | 889.05K |
| Marshall wace, llp | 835.66K | 0.00% | 835.66K |
| Man group | 828.38K | 0.01% | 828.38K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rovida advisors | - | - | -2.20M |
| Capital research global investors | - | - | -2.04M |
| Telemark asset management | - | - | -825.00K |
| Jane street group | 21.09K | - | -663.38K |
| Sara-bay financial | - | - | -586.67K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sixth street partners management company | 935.35K | 0.00% | 935.35K | $5.82M |
| Man group | 828.38K | 0.01% | 828.38K | $5.15M |
| Concentric capital strategies, lp | 218.05K | 0.09% | 218.05K | $2.10M |
| Aquatic capital management | 163.98K | 0.04% | 163.98K | $1.02M |
| Point72 asset management | 120.16K | 0.00% | 120.16K | $747.39K |
Sold Out
| Holder | Change |
|---|---|
| Root financial partners | -26.00 |
| Mai capital management | -28.00 |
| Islay capital management | -39.00 |
| Massmutual trust co fsb/adv | -72.00 |
| Parkside financial bank & trust | -105.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 199 | 3.65% | 66,183,728 | 3.67% | 54 | 1.96% | 115 | -7.26% | 51 | 30.77% |
| Mar 31, 2026 | 188 | - | 58,990,484 | 0.74% | 71 | 1.63% | 122 | -2.40% | 38 | -2.56% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 3.59M | 2.85% | - |
| Vanguard Total Stock Mkt Idx Inv | 3.59M | 2.85% | - |
| iShares Russell 2000 ETF | 3.63M | 2.37% | -41.79K |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.59M | 2.34% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 1.27M | 0.98% | 2.52K |
| Fidelity Small Cap Index | 1.28M | 0.83% | 11.32K |
| American Beacon GLG Natrl Res ETF | 1.23M | 0.80% | - |
| iShares Russell 2000 Growth ETF | 1.12M | 0.73% | -1.42K |
| BNP Clean Energy Solutions C D | 966.00K | 0.63% | -58.00 |
| Russell 2000 Equity Index Fund B | 778.65K | 0.62% | 66.30K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 16, 2026 | Kiessling Heather | Chief Financial Officer | Sell | $47.81K |
| Oct 14, 2026 | Ainscow Robert | COO | Sell | $47.56K |
| Sep 30, 2026 | Ryan Robert John Andrew | - | Buy | $40.20K |
| Sep 28, 2026 | Ryan Robert John Andrew | - | Buy | $21.60K |
| Sep 08, 2026 | Ainscow Robert | COO | Sell | $36.22K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | 2 | 7 |
| 2026 Q2 | - | 11 |
| 2026 Q1 | - | 3 |
| 2025 Q4 | - | 8 |
| 2025 Q3 | - | 6 |
ASPI Ownership FAQ
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