ATNM
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +6.3% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 23 | -4 | 3.48M | $3.41M | +1 | −5 |
| Q1 2026 | 28 | -7 | 3.90M | $3.88M | — | −7 |
| Q4 2025 | 35 | -1 | 3.99M | $5.42M | +2 | −3 |
| Q3 2025 | 13 | 0 | 3.55M | $5.68M | — | — |
| Q2 2025 | 11 | +3 | 3.57M | $4.99M | +4 | −1 |
| Q1 2025 | 5 | -1 | 1.49M | $2.40M | +1 | −2 |
| Q4 2024 | 6 | -2 | 1.63M | $2.06M | — | −2 |
| Q3 2024 | 7 | +1 | 1.43M | $2.68M | +2 | −1 |
| Q2 2024 | 6 | — | 1.06M | $7.83M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 1.37M | — | $1.92M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 1.37M | — | $1.92M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Millennium Management ✦ | 663.27K | New | $928,577 | 0.0% | New | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 467.67K | — | $654,743 | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 467.67K | — | $654,743 | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 467.67K | — | $654,743 | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 467.67K | — | $654,743 | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 467.67K | — | $654,743 | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Geode Capital Management ✦ (passive) | 329.69K | -53.7% | $461,697 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 10 | Geode Capital Management ✦ (passive) | 329.69K | -53.7% | $461,697 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | State Street Global Advisors ✦ (passive) | 222.01K | -65.6% | $310,821 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | Renaissance Technologies ✦ | 209.50K | +263.7% | $293,301 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | Marshall Wace ✦ | 98.12K | New | $137,372 | 0.0% | New | 1 | SEC ↗ |
| 14 | Marshall Wace ✦ | 98.12K | New | $137,372 | 0.0% | New | 1 | SEC ↗ |
| 15 | Marshall Wace ✦ | 98.12K | New | $137,372 | 0.0% | New | 1 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 77.22K | +22.1% | $108,107 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 77.22K | +22.1% | $108,107 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 77.22K | +22.1% | $108,107 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 77.22K | +22.1% | $108,107 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 77.22K | +22.1% | $108,107 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | Citadel Advisors ✦ | 55.01K | New | $77,008 | 0.0% | New | 1 | SEC ↗ |
| 22 | Two Sigma Investments ✦ | 46.55K | New | $65,163 | 0.0% | New | 1 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 24.32K | — | $34,044 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $928,577 | 0.0% |
| Marshall Wace | $137,372 | 0.0% |
| Marshall Wace | $137,372 | 0.0% |
| Marshall Wace | $137,372 | 0.0% |
| Citadel Advisors | $77,008 | 0.0% |
| Two Sigma Investments | $65,163 | 0.0% |
Exited
| T. Rowe Price | $21,000 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 53 holders, 5.30M shares, $4.64M 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.