Rtw Investments, Lp

13F Holdings History for Zai Lab Ltd - Ordinary Shares, par value $0.000006 per share (ZLAB)

Symbol: ZLAB on Nasdaq
Investment type: Equity / Ordinary Shares, par value $0.000006 per share
Latest Disclosed Ownership: 22.9M shares
Security Ownership: 2.1%

Shares, Excluding Options vs Price

Value, Excluding Options

RTW Investments, LP ownership in Zai Lab Ltd Ordinary Shares, par value $0.000006 per share (ZLAB)

2025-11-14 - RTW Investments, LP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 22.9M shares of Zai Lab Ltd Ordinary Shares, par value $0.000006 per share (ZLAB). This represents 2.1% percent ownership of the company. In their previous filing dated 2025-08-14, RTW INVESTMENTS, LP had reported owning 55.4M shares, indicating a decrease of -58.6% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
RTW Investments, LP	2.1%	-60%	$777M	22.9M	-32,455,040	-58.6%	$33.89	13G/A	9/30/2025	14 Nov 2025 08:35:57
RTW Investments, LP	5.1%		$1.78B	55.4M			$32.22	13G	6/30/2025	14 Aug 2025 08:14:51

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	0.96%	-1.36%	$77.7M	2.29M	-3,245,504	-58.6%	$33.89	Q3 2025
6/30/2025	2.76%	+1.2%	$194M	5.54M	+2,400,196	+76.5%	$34.97	Q2 2025
3/31/2025	1.73%	+0.35%	$113M	3.14M	+627,561		$36.14	Q1 2025
12/31/2024	0.99%	+0.99%	$65.7M	2.51M	+2,509,119	NEW	$26.19	Q4 2024

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.