Who owns Zai Lab Ltd?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ZLAB from SEC Form 13F filings across 92 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 92 institutions disclosed 43.1M shares of Zai Lab Ltd worth $819.0M — about 38.6% of shares outstanding; the largest disclosed holder is RTW INVESTMENTS, LP. Source: SEC Form 13F filings, parsed by EvidInvest.
92
13F holders
$819.0M
value, 2026 filers
38.6%
of shares outstanding (43.1M sh)
16
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ZLAB's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | RTW INVESTMENTS, LP | 6.6M | $124.9M | 1.1% | 5.9% | 0.0% |
| 2 | TCG Crossover Management, LLCNEW | 6.1M | $116.6M | 2.8% | 5.5% | new |
| 3 | RA CAPITAL MANAGEMENT, L.P. | 5.7M | $109.1M | 0.9% | 5.1% | +0.6% |
| 4 | ADAR1 Capital Management, LLC | 3.4M | $64.0M | 2.9% | 3% | +136.4% |
| 5 | FMR LLC | 2.8M | $53.5M | 0.0% | 2.5% | +123.0% |
| 6 | GOLDMAN SACHS GROUP INC | 2.3M | $44.0M | 0.0% | 2.1% | +1993.8% |
| 7 | Woodline Partners LPNEW | 2.2M | $41.9M | 0.1% | 2% | new |
| 8 | Frazier Life Sciences Management, L.P. | 1.9M | $36.1M | 0.8% | 1.7% | 0.0% |
| 9 | BAMCO INC /NY/ | 1.6M | $30.9M | 0.0% | 1.5% | -2.1% |
| 10 | TWO SIGMA INVESTMENTS, LP | 1.3M | $24.7M | 0.0% | 1.2% | +319.5% |
| 11 | CITADEL ADVISORS LLC | 1.3M | $24.4M | 0.0% | 1.2% | -23.9% |
| 12 | Rock Springs Capital Management LP | 814,707 | $15.5M | 0.8% | 0.7% | 0.0% |
| 13 | BlackRock, Inc. | 664,462 | $12.6M | 0.0% | 0.6% | -23.2% |
| 14 | C WorldWide Group Holding A/S | 510,000 | $9.7M | 0.2% | 0.5% | 0.0% |
| 15 | JANE STREET GROUP, LLC | 476,541 | $9.1M | 0.0% | 0.4% | +77.9% |
| 16 | B Group, Inc. | 450,646 | $8.6M | 4.0% | 0.4% | 0.0% |
| 17 | SCHRODER INVESTMENT MANAGEMENT GROUP | 393,167 | $7.2M | 0.0% | 0.4% | 0.0% |
| 18 | NAN FUNG TRINITY (HK) LTD | 346,466 | $6.6M | 0.6% | 0.3% | 0.0% |
| 19 | Aberdeen Group plc | 311,294 | $5.9M | 0.0% | 0.3% | +30.9% |
| 20 | CITIGROUP INC | 300,775 | $5.7M | 0.0% | 0.3% | +31263.4% |
| 21 | Spruce Street Capital LPNEW | 279,110 | $5.3M | 1.0% | 0.2% | new |
| 22 | AMERIPRISE FINANCIAL INC | 253,171 | $4.8M | 0.0% | 0.2% | +3.9% |
| 23 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 246,982 | $4.7M | 0.0% | 0.2% | +111.9% |
| 24 | Hennion & Walsh Asset Management, Inc. | 230,418 | $4.4M | 0.1% | 0.2% | +7.5% |
| 25 | Hudson Bay Capital Management LP | 215,000 | $4.1M | 0.0% | 0.2% | +616.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.