QDEL
QuidelOrtho Corporation · Healthcare · Medical - Specialties
Momentum inputs (comparable managers):
holder breadth -7.1% ·
share flow +1.2% ·
net new positions -7.7%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 16.42K | $203,809 | n/a | n/a |
| Q2 2026 | 83 | +5 | 50.79M | $889.84M | +12 | −8 |
| Q1 2026 | 82 | -2 | 47.90M | $787.78M | +7 | −10 |
| Q4 2025 | 85 | -1 | 49.13M | $1.40B | +2 | −2 |
| Q3 2025 | 15 | 0 | 30.61M | $901.42M | +1 | −2 |
| Q2 2025 | 13 | -1 | 30.01M | $864.94M | +1 | −2 |
| Q1 2025 | 11 | -2 | 9.03M | $313.14M | n/a | −2 |
| Q4 2024 | 13 | 0 | 9.23M | $411.10M | n/a | n/a |
| Q3 2024 | 12 | +1 | 5.88M | $267.97M | +2 | −1 |
| Q2 2024 | 11 | n/a | 4.30M | $142.83M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 10.22M | n/a | $294.57M | 0.0% | n/c | 1 | SEC ↗ ×16 |
| 2 | The Vanguard Group ✦ (passive) | 7.80M | n/a | $224.69M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 2.70M | +23.3% | $77.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 2.62M | n/a | $75.38M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 5 | D. E. Shaw & Co. ✦ | 2.01M | +49.4% | $57.83M | 0.1% | ▲ Add | 5 | SEC ↗ ×2 |
| 6 | AQR Capital Management ✦ | 1.82M | -31.6% | $52.37M | 0.0% | ▼ Trim | 5 | SEC ↗ ×5 |
| 7 | Geode Capital Management ✦ (passive) | 1.68M | +46.1% | $48.39M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 8 | Gotham Asset Management ✦ | 480.48K | +123.2% | $13.85M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 9 | Norges Bank ✦ (passive) | 321.65K | -38.8% | $9.27M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 10 | GAMCO Investors ✦ | 223.76K | -2.8% | $6.45M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 56.71K | +21.4% | $1.64M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | Citadel Advisors ✦ | 46.98K | -92.8% | $1.35M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | Arrowstreet Capital ✦ | 45.57K | New | $1.31M | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $1.31M | 0.0% |
Exited
| Millennium Management | $733,601 | was 0.0% |
| Marshall Wace | $210,205 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 232 holders, 80.48M shares, $1.22B 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.