LUNG
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth +9.1% ·
share flow +7.9% ·
net new positions +8.3%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 47 | -5 | 15.64M | $20.33M | +7 | −12 |
| Q1 2026 | 53 | +1 | 21.23M | $27.39M | +4 | −3 |
| Q4 2025 | 52 | 0 | 21.92M | $48.44M | n/a | n/a |
| Q3 2025 | 16 | -1 | 20.59M | $33.36M | n/a | −2 |
| Q2 2025 | 15 | 0 | 18.55M | $48.06M | n/a | n/a |
| Q1 2025 | 12 | +1 | 8.97M | $60.37M | +1 | n/a |
| Q4 2024 | 11 | -1 | 8.31M | $56.45M | n/a | −1 |
| Q3 2024 | 11 | 0 | 7.58M | $62.82M | +1 | −1 |
| Q2 2024 | 11 | n/a | 8.38M | $53.14M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | PRIMECAP Management ✦ | 5.41M | -1.8% | $36.44M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 927.54K | +2.8% | $6.24M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 3 | State Street Global Advisors ✦ (passive) | 760.75K | +0.2% | $5.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | D. E. Shaw & Co. ✦ | 486.56K | +23.9% | $3.27M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 5 | Marshall Wace ✦ | 459.94K | New | $3.10M | 0.0% | New | 1 | SEC ↗ ×2 |
| 6 | Millennium Management ✦ | 208.48K | +13.9% | $1.40M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 183.61K | +81.0% | $1.24M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 8 | Renaissance Technologies ✦ | 165.30K | -25.0% | $1.11M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 154.78K | +453.3% | $1.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | Norges Bank ✦ (passive) | 151.20K | 0.0% | $1.02M | 0.0% | Held | 4 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 36.14K | +7.6% | $244,000 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 21.20K | -25.1% | $142,649 | 0.0% | ▼ Trim | 4 | SEC ↗ ×5 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $3.10M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 112 holders, 31.36M shares, $39.99M 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)
Officer, Director · 4.10K sh · $9,261
Officer, Director · 37.78K sh · $85,392
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology