DGX
Quest Diagnostics Incorporated · Healthcare · Medical - Diagnostics & Research
Momentum inputs (comparable managers):
holder breadth -13.3% ·
share flow +2.5% ·
net new positions -15.4%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 154 | +1 | 78.04M | $16.53B | +7 | −6 |
| Q1 2026 | 156 | -1 | 76.50M | $14.98B | +4 | −6 |
| Q4 2025 | 156 | +4 | 87.42M | $15.15B | +5 | — |
| Q3 2025 | 16 | -1 | 54.97M | $10.47B | — | −2 |
| Q2 2025 | 15 | -3 | 44.54M | $8.00B | — | −3 |
| Q1 2025 | 15 | +2 | 17.80M | $3.01B | +3 | −1 |
| Q4 2024 | 13 | -2 | 18.37M | $2.77B | — | −2 |
| Q3 2024 | 14 | -1 | 12.70M | $1.97B | — | −1 |
| Q2 2024 | 15 | — | 9.75M | $1.33B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | T. Rowe Price ✦ | 5.49M | +42.5% | $828.26M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 2 | T. Rowe Price ✦ | 5.49M | +42.5% | $828.26M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 5.22M | — | $787.72M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 2.69M | +2.8% | $404.76M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 2.69M | +2.8% | $404.76M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Wellington Management ✦ | 1.78M | -23.5% | $269.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | Wellington Management ✦ | 1.78M | -23.5% | $269.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | Wellington Management ✦ | 1.78M | -23.5% | $269.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Wellington Management ✦ | 1.78M | -23.5% | $269.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Wellington Management ✦ | 1.78M | -23.5% | $269.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 11 | Wellington Management ✦ | 1.78M | -23.5% | $269.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | Norges Bank ✦ (passive) | 1.27M | -1.8% | $191.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | Marshall Wace ✦ | 796.08K | -20.4% | $120.10M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 14 | Marshall Wace ✦ | 796.08K | -20.4% | $120.10M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 15 | Marshall Wace ✦ | 796.08K | -20.4% | $120.10M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 16 | Millennium Management ✦ | 653.77K | +302.8% | $98.63M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 17 | Adage Capital Partners ✦ | 194.43K | -27.8% | $29.33M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 146.59K | -44.3% | $22.11M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 146.59K | -44.3% | $22.11M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 146.59K | -44.3% | $22.11M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 146.59K | -44.3% | $22.11M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | D. E. Shaw & Co. ✦ | 79.37K | +2570.6% | $11.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | Bridgewater Associates ✦ | 21.89K | -75.3% | $3.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | Two Sigma Investments ✦ | 21.89K | -0.7% | $3.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | Gotham Asset Management ✦ | 1.34K | -28.1% | $202,303 | 0.0% | ▼ Trim | 3 | 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
| Citadel Advisors | $116.15M | was 0.1% |
| Renaissance Technologies | $5.92M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 41.40K shares, $8,113 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.