LH
Labcorp Holdings Inc. · Healthcare · Medical - Diagnostics & Research
Momentum inputs (comparable managers):
holder breadth +9.1% ·
share flow -27.2% ·
net new positions +8.3%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 158 | +5 | 56.58M | $15.83B | +9 | −3 |
| Q1 2026 | 155 | +1 | 55.32M | $14.74B | +4 | −4 |
| Q4 2025 | 153 | -1 | 61.82M | $15.50B | +1 | −1 |
| Q3 2025 | 19 | 0 | 33.10M | $9.50B | — | −1 |
| Q2 2025 | 17 | -1 | 30.31M | $7.95B | +1 | −2 |
| Q1 2025 | 15 | +2 | 7.94M | $1.85B | +2 | — |
| Q4 2024 | 13 | 0 | 9.58M | $2.20B | +2 | −2 |
| Q3 2024 | 12 | +1 | 4.32M | $962.67M | +2 | −1 |
| Q2 2024 | 11 | — | 5.93M | $1.21B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 1.96M | +0.7% | $437.56M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.96M | +0.7% | $437.56M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Norges Bank ✦ (passive) | 1.04M | +1.0% | $232.49M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Wellington Management ✦ | 326.98K | -85.3% | $73.07M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Wellington Management ✦ | 326.98K | -85.3% | $73.07M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Wellington Management ✦ | 326.98K | -85.3% | $73.07M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Wellington Management ✦ | 326.98K | -85.3% | $73.07M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | Wellington Management ✦ | 326.98K | -85.3% | $73.07M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 256.70K | -9.3% | $57.16M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 256.70K | -9.3% | $57.16M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 256.70K | -9.3% | $57.16M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 256.70K | -9.3% | $57.16M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 13 | Millennium Management ✦ | 174.81K | +777.2% | $39.07M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | Bridgewater Associates ✦ | 149.88K | -27.8% | $33.49M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 133.85K | New | $29.91M | 0.0% | New | 1 | SEC ↗ |
| 16 | Citadel Advisors ✦ | 133.85K | New | $29.91M | 0.0% | New | 1 | SEC ↗ |
| 17 | T. Rowe Price ✦ | 118.17K | +1.0% | $26.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | T. Rowe Price ✦ | 118.17K | +1.0% | $26.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | D. E. Shaw & Co. ✦ | 61.58K | -13.4% | $13.76M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | Renaissance Technologies ✦ | 59.20K | New | $13.23M | 0.0% | New | 1 | SEC ↗ |
| 21 | Marshall Wace ✦ | 27.91K | +1760.3% | $6.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Marshall Wace ✦ | 27.91K | +1760.3% | $6.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | Fisher Asset Management ✦ | 1.25K | +0.2% | $279,126 | 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
| Citadel Advisors | $29.91M | 0.0% |
| Citadel Advisors | $29.91M | 0.0% |
| Renaissance Technologies | $13.23M | 0.0% |
Exited
| Adage Capital Partners | $4.25M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,014 holders, 76.41M shares, $19.36B 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 3.00K sh · $954,060
Officer, Director · 4.67K sh · $1.50M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology