AMPY
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth +8.3% ·
share flow +6.5% ·
net new positions +7.7%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | +1 | 17.92K | $82,087 | +1 | n/a |
| Q2 2026 | 61 | +6 | 13.98M | $55.66M | +11 | −5 |
| Q1 2026 | 56 | +9 | 13.31M | $83.09M | +9 | n/a |
| Q4 2025 | 47 | 0 | 10.69M | $48.84M | +1 | −1 |
| Q3 2025 | 13 | +1 | 5.59M | $29.33M | +3 | −2 |
| Q2 2025 | 9 | -2 | 4.60M | $14.71M | n/a | −2 |
| Q1 2025 | 8 | -1 | 2.91M | $10.90M | +1 | −2 |
| Q4 2024 | 9 | 0 | 2.19M | $13.17M | +1 | −1 |
| Q3 2024 | 8 | +3 | 1.60M | $10.48M | +4 | −1 |
| Q2 2024 | 5 | n/a | 1.80M | $12.21M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 2.18M | -7.8% | $11.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 2 | BlackRock ✦ (passive) | 564.15K | +0.6% | $2.96M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 3 | Marshall Wace ✦ | 541.21K | +184.2% | $2.84M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 4 | Morgan Stanley ✦ | 472.91K | n/a | $2.48M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 5 | Geode Capital Management ✦ (passive) | 419.19K | -1.7% | $2.20M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 6 | Millennium Management ✦ | 374.99K | -13.3% | $1.97M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 356.94K | New | $1.87M | 0.0% | New | 1 | SEC ↗ |
| 8 | D. E. Shaw & Co. ✦ | 194.57K | New | $1.02M | 0.0% | New | 1 | SEC ↗ ×2 |
| 9 | State Street Global Advisors ✦ (passive) | 179.56K | 0.0% | $942,674 | 0.0% | Held | 4 | SEC ↗ |
| 10 | Goldman Sachs Group ✦ | 177.13K | n/a | $929,927 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 11 | Arrowstreet Capital ✦ | 98.85K | New | $518,952 | 0.0% | New | 1 | SEC ↗ |
| 12 | Fidelity (FMR) ✦ | 29.24K | +27.9% | $153,505 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 13 | JPMorgan Chase ✦ | 8 | n/a | $42 | 0.0% | n/c | 1 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $1.87M | 0.0% |
| D. E. Shaw & Co. | $1.02M | 0.0% |
| Arrowstreet Capital | $518,952 | 0.0% |
Exited
| AQR Capital Management | $739,164 | was 0.0% |
| Renaissance Technologies | $606,298 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 131 holders, 24.76M shares, $140.50M 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.