AMPY
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth -11.1% ·
share flow +30.0% ·
net new positions -12.5%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 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 | Geode Capital Management ✦ (passive) | 889.29K | +2.9% | $3.33M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 2 | State Street Global Advisors ✦ (passive) | 817.28K | -1.3% | $3.06M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | AQR Capital Management ✦ | 393.49K | +38.4% | $1.47M | 0.0% | ▲ Add | 4 | SEC ↗ ×4 |
| 4 | Citadel Advisors ✦ | 235.50K | +97.0% | $880,785 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 5 | Millennium Management ✦ | 220.31K | New | $823,952 | 0.0% | New | 1 | SEC ↗ |
| 6 | Renaissance Technologies ✦ | 180.70K | +1499.1% | $675,818 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Marshall Wace ✦ | 160.80K | +585.2% | $601,396 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 16.84K | +12.8% | $63,000 | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $823,952 | 0.0% |
Exited
| Wellington Management | $156,558 | was 0.0% |
| Two Sigma Investments | $132,942 | 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.