Zai Lab (ADR)
Develops and commercializes therapies through partnerships and internal research.
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Breakdown13F · Form 4
Shares outstanding 112.92M · Float 105.17M · 93.1% free float
Insiders — filings are in the shares behind the receipt.
This listing is a depositary receipt and the Form 4 positions here are filed in the shares behind it, a different unit from the share count and in a ratio the filings never state, so no insider percentage is shown.
Institutions13F, as of Mar 31, 2026
105 holders · 28.25M shares · 17 new positions · 43 increased · 43 reduced · 44 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| RTW Investments, LP | 6.57M | 5.82% | −385.0K | May 15, 2026 |
| Ra Capital Management, L.P. | 5.71M | 5.05% | +5.71Mnew | May 15, 2026 |
| Frazier Life Sciences Management, L.P. | 1.90M | 1.68% | 0 | May 15, 2026 |
| Citadel Advisors LLC | 1.69M | 1.50% | +786 | May 15, 2026 |
| Bamco Inc /NY/ | 1.66M | 1.47% | +240.3K | May 15, 2026 |
| Adar1 Capital Management, LLC | 1.43M | 1.26% | +178.8K | May 18, 2026 |
| FMR LLC | 1.26M | 1.12% | −178.0K | May 15, 2026 |
| BlackRock, Inc. | 865.1K | 0.77% | +229.9K | May 13, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Ein # | 9.20% | 91.59M | Nov 14, 2024 ↗ | |
| RTW Investments, LP | 6.30% | 69.59M | 13G | Feb 17, 2026 ↗ |
| RA Capital Management, L.P. | 5.20% | 57.44M | 13G | Apr 6, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | Filed |
|---|---|---|---|
| Ying Du | director, officer: Chairperson & CEO | 1.22M | Jul 6, 2026 |
| Peter Wirth | director | 416.1K | Jun 22, 2026 |
| John D. Diekman | director | 122.1K | Jun 22, 2026 |
| Joshua L. Smiley | officer: See Remarks | 117.6K | Apr 8, 2026 |
| Nisa Leung | director | 96.3K | Jun 22, 2026 |
| Leon O. Jr Moulder | director | 95.0K | Jun 22, 2026 |
| Richard Gaynor | director | 80.7K | Jul 6, 2026 |
| Michel Vounatsos | director | 72.8K | Jun 22, 2026 |
| Rafael Amado | officer: See Remarks | 57.0K | Apr 8, 2026 |
| Scott W. Morrison | director | 56.9K | Jun 22, 2026 |
3 people have not refiled in the last 18 months (154.0K shares), so they are not in the figure above · 16 positions are filed in the unlisted share unit (10.97M shares), which no share count here divides
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 19, 2026 | Yajing Chenofficer: Chief Financial Officer | Sale | 260 | $27.00 | 35,635 |
| Aug 12, 2026 | William Lisdirector | Sale | 8,506 | $25.00 | 41,931 |
| Aug 11, 2026 | Yajing Chenofficer: Chief Financial Officer | Sale | 619 | $25.00 | 35,072 |
| Jul 1, 2026 | Richard Gaynordirector | Purchase | 1,736 | $19.05 | 80,737 |
| Jun 30, 2026 | Ying Dudirector, officer: Chairperson & CEO | Sale | 7,026 | $18.53 | 1,203,784 |
| Jun 26, 2026 | Yajing Chenofficer: Chief Financial Officer | Sale | 2,264 | $17.46 | 35,691 |
| Jun 26, 2026 | Ying Dudirector, officer: Chairperson & CEO | Sale | 24,543 | $17.46 | 1,192,840 |
| Jun 26, 2026 | Frazor Titus III Edmondsonofficer: Chief Legal Officer | Sale | 4,103 | $17.46 | 30,346 |
| Jun 22, 2026 | William Lisdirector | Sale | 7,040 | $18.09 | 50,437 |
| May 18, 2026 | Ying Dudirector, officer: Chairperson & CEO | Sale | 50,000 | $19.00 | 1,122,626 |
CongressHouse and Senate disclosures
Not reported.