Security record · archived quarter
ATEC
Alphatec Holdings, Inc. · Healthcare · Medical - Devices
13Tracked holders
-1Δ holders
26.04MShares held
$289.00MReported value
+0New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth -7.1% ·
share flow -2.2% ·
net new positions -7.7%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| 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 | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 9.52M | — | $105.63M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 6.66M | — | $73.89M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 6.66M | — | $73.89M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 6.66M | — | $73.89M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 6.66M | — | $73.89M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 6.66M | — | $73.89M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | State Street Global Advisors ✦ (passive) | 2.76M | -2.3% | $30.67M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passive) | 2.70M | +7.4% | $29.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 21 | Geode Capital Management ✦ (passive) | 2.70M | +7.4% | $29.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 22 | Two Sigma Investments ✦ | 1.13M | +74.2% | $12.53M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Marshall Wace ✦ | 865.98K | -49.7% | $9.61M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 24 | Marshall Wace ✦ | 865.98K | -49.7% | $9.61M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 25 | Marshall Wace ✦ | 865.98K | -49.7% | $9.61M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 26 | Renaissance Technologies ✦ | 744.20K | +243.8% | $8.26M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | AQR Capital Management ✦ | 612.07K | -9.6% | $6.79M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 28 | AQR Capital Management ✦ | 612.07K | -9.6% | $6.79M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 29 | AQR Capital Management ✦ | 612.07K | -9.6% | $6.79M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 30 | AQR Capital Management ✦ | 612.07K | -9.6% | $6.79M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 612.07K | -9.6% | $6.79M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 32 | Millennium Management ✦ | 484.96K | +44.8% | $5.38M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 33 | Point72 Asset Management ✦ | 309.50K | -44.8% | $3.44M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 34 | Citadel Advisors ✦ | 168.15K | -69.9% | $1.87M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 35 | T. Rowe Price ✦ | 78.40K | +17.9% | $871,000 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 36 | Fidelity (FMR) ✦ | 10.31K | — | $114,400 | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Fidelity (FMR) ✦ | 10.31K | — | $114,400 | 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
| No new tracked buyers this quarter. |
Exited
| D. E. Shaw & Co. | $3.08M | was 0.0% |
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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2025 ·
Methodology ·
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