ZAI LAB LTD-ADR (ZLAB) Institutional Ownership and Insiders Activity

ZAI LAB LTD-ADR (ZLAB) is widely held by institutional investors, with 88 firms reporting positions valued at approximately $818.94M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Rtw Investments, Lp is the largest disclosed holder, reporting approximately $124.91M in ZLAB holdings in its latest filing.

Recent insider activity includes 19 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.