Zai Lab Ltd
Ownership
Ownership Structure
Who owns Zai Lab Ltd (ZLAB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 86.5% of the shares are freely tradable; institutional investors hold 31.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| RTW INVESTMENTS, LLC | 5.86 | 6,574,032 | -5.5 | 03/31/2026 |
| TCG Crossover Management, LLC | 5.47 | 6,137,627 | +0.0 | 06/30/2026 |
| RA Capital Management, LLC | 5.08 | 5,707,262 | +0.0 | 03/31/2026 |
| Frazier Life Sciences Management, L.P. | 1.69 | 1,902,320 | +0.0 | 03/31/2026 |
| BAMCO Inc | 1.48 | 1,658,318 | +16.9 | 03/31/2026 |
| ADAR1 Capital Management LLC | 1.27 | 1,425,367 | +14.3 | 03/31/2026 |
| Two Sigma Investments LLC | 1.16 | 1,299,394 | +319.5 | 06/30/2026 |
| Citadel Advisors Llc | 1.14 | 1,284,706 | -23.9 | 06/30/2026 |
| FMR Inc | 1.12 | 1,262,391 | -12.4 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Baron Emerging Markets Institutional | 1.22 | 1,370,904 | -1.9 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Lis William | Director | 41,931 | 1,048,275 $ | Aug 12, 2026 | direct |
| Chen Yajing | Chief Financial Officer | 35,635 | 890,875 $ | Aug 19, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | Chen Yajing | Chief Financial Officer | Sell | 260 | 27.00 | 7,020 |
| Aug 14, 2026 | Chen Yajing | Chief Financial Officer | Other | 427 | 25.90 | 11,059 |
| Aug 14, 2026 | Chen Yajing | Chief Financial Officer | Other | 1,250 | – | – |
| Aug 12, 2026 | Lis William | Director | Sell | 8,506 | 25.00 | 212,650 |
| Aug 11, 2026 | Chen Yajing | Chief Financial Officer | Sell | 619 | 25.00 | 15,475 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 25, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.