RTW INVESTMENTS, LP - 31 Dec 2025 SCHEDULE 13G Report for Zai Lab Limited Ordinary Shares, par value $0.000006 per share (ZLAB)

Filing Manager
RTW INVESTMENTS, LP
Reporting Manager
RTW Investments, LP
Security
Zai Lab Limited Ordinary Shares, par value $0.000006 per share
Symbol
ZLAB
Shares outstanding
1,104,608,254 shares
Disclosed Ownership
69,590,320 shares
Ownership
6.3%
Form type
SCHEDULE 13G
Filing time
17 Feb 2026, 08:56:19 UTC
Date of event
31 Dec 2025
Previous filing
14 Nov 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
RTW Investments, LP 6.3% 69,590,320 0 69,590,320 /s/ Roderick Wong, M.D. By Roderick Wong, M.D., Managing Partner
Roderick Wong 6.3% 69,590,320 0 69,590,320 /s/ Roderick Wong, M.D. Roderick Wong, M.D.