ZLAB
Zai Lab Limited · Healthcare · Biotechnology
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -21.7% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 40 | -10 | 13.04M | $247.56M | +1 | −11 |
| Q1 2026 | 51 | -8 | 9.02M | $169.34M | +7 | −15 |
| Q4 2025 | 58 | 0 | 14.32M | $252.66M | +1 | −1 |
| Q3 2025 | 13 | -2 | 15.41M | $522.27M | — | −2 |
| Q2 2025 | 12 | -2 | 15.57M | $544.48M | — | −2 |
| Q1 2025 | 12 | 0 | 13.16M | $475.75M | — | — |
| Q4 2024 | 12 | 0 | 16.81M | $440.22M | +1 | −1 |
| Q3 2024 | 11 | +1 | 20.32M | $490.64M | +1 | — |
| Q2 2024 | 10 | — | 17.23M | $298.54M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Capital World Investors ✦ | 6.01M | -6.6% | $217.14M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | Wellington Management ✦ | 3.65M | -45.2% | $131.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 3 | Wellington Management ✦ | 3.65M | -45.2% | $131.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | Wellington Management ✦ | 3.65M | -45.2% | $131.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | Wellington Management ✦ | 3.65M | -45.2% | $131.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | Wellington Management ✦ | 3.65M | -45.2% | $131.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | Wellington Management ✦ | 3.65M | -45.2% | $131.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | Wellington Management ✦ | 3.65M | -45.2% | $131.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | Wellington Management ✦ | 3.65M | -45.2% | $131.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | Wellington Management ✦ | 3.65M | -45.2% | $131.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 2.27M | -3.6% | $81.97M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 2.27M | -3.6% | $81.97M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | Citadel Advisors ✦ | 382.47K | +112.4% | $13.82M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | Citadel Advisors ✦ | 382.47K | +112.4% | $13.82M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | D. E. Shaw & Co. ✦ | 307.95K | +319.5% | $11.13M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | State Street Global Advisors ✦ (passive) | 137.65K | -2.2% | $4.97M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | Millennium Management ✦ | 97.08K | -21.3% | $3.51M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | Point72 Asset Management ✦ | 88.17K | -68.9% | $3.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Renaissance Technologies ✦ | 84.50K | -55.0% | $3.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passive) | 58.49K | +5.3% | $2.11M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | Two Sigma Investments ✦ | 55.84K | +87.7% | $2.02M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 22 | Marshall Wace ✦ | 27.93K | -90.3% | $1.01M | 0.0% | ▼ Trim | 2 | 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
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 97 holders, 28.24M shares, $515.77M 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 · 260 sh · $7,020
Director · 8.51K sh · $212,650
Officer · 619 sh · $15,475
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology