ASPI
ASP Isotopes Inc. Common Stock · Basic Materials · Chemicals
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -3.8% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 73 | +3 | 40.98M | $254.70M | +8 | −5 |
| Q1 2026 | 73 | 0 | 37.51M | $165.79M | +5 | −5 |
| Q4 2025 | 73 | -2 | 41.79M | $223.56M | +1 | −3 |
| Q3 2025 | 16 | +2 | 19.49M | $187.45M | +2 | — |
| Q2 2025 | 11 | +1 | 10.37M | $76.34M | +1 | — |
| Q1 2025 | 7 | 0 | 2.75M | $12.89M | — | — |
| Q4 2024 | 7 | +2 | 2.85M | $12.93M | +2 | — |
| Q3 2024 | 4 | 0 | 2.17M | $6.03M | +1 | −1 |
| Q2 2024 | 4 | — | 1.51M | $4.59M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 1.25M | +6.6% | $5.88M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 2 | State Street Global Advisors ✦ (passive) | 1.05M | +1.7% | $4.91M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Two Sigma Investments ✦ | 203.07K | -53.5% | $952,384 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Marshall Wace ✦ | 178.13K | +20.4% | $835,448 | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 5 | AQR Capital Management ✦ | 23.75K | -21.2% | $111,369 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 6 | T. Rowe Price ✦ | 23.12K | +6.8% | $109,000 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Millennium Management ✦ | 18.31K | +50.3% | $85,888 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 175 holders, 63.06M shares, $277.19M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Director · 15.00K sh @ 2.68 · $40,200
Director · 8.00K sh @ 2.70 · $21,600
Open-market sales (S)
Officer · 8.44K sh · $36,216
Officer, Director · 83.76K sh · $343,412
Officer, Director · 83.76K sh · $328,331
Officer · 23.68K sh · $92,107
Officer · 25.00K sh · $97,625
Officer, Director · 83.76K sh · $327,494
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology