ATEC
Alphatec Holdings, Inc. · Healthcare · Medical - Devices
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -13.2% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 98 | -8 | 75.22M | $651.29M | +3 | −11 |
| Q1 2026 | 109 | +7 | 80.20M | $874.01M | +9 | −3 |
| Q4 2025 | 102 | 0 | 84.66M | $1.78B | +2 | −1 |
| Q3 2025 | 18 | +2 | 33.33M | $484.67M | +2 | — |
| Q2 2025 | 13 | -1 | 26.04M | $289.00M | — | −1 |
| Q1 2025 | 11 | +1 | 10.43M | $105.73M | +1 | — |
| Q4 2024 | 10 | 0 | 10.18M | $93.47M | — | — |
| Q3 2024 | 9 | 0 | 9.49M | $52.77M | — | — |
| Q2 2024 | 9 | — | 10.94M | $114.34M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Millennium Management ✦ | 4.43M | +30.4% | $24.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 2.36M | -1.5% | $13.14M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 2.36M | -1.5% | $13.14M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Point72 Asset Management ✦ | 860.10K | -73.1% | $4.78M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Marshall Wace ✦ | 741.18K | -32.6% | $4.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | AQR Capital Management ✦ | 530.34K | +87.2% | $2.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 530.34K | +87.2% | $2.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 530.34K | +87.2% | $2.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 216.67K | +1135.7% | $1.20M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 172.54K | -25.3% | $959,334 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | Renaissance Technologies ✦ | 141.60K | -50.8% | $787,296 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 33.54K | +2.7% | $187,000 | 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): 1 holders, 2.51M shares, $2.48M 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.