§ BIOTECHNOLOGY
USD · BiotechnologyZLAB
ZAI LAB LTD-ADR
USDSector · Biotechnology
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 24.86HIGH 24.86LOW 23.71
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
48 increased/new, 30 decreased/exited (13F)
AC 13F Analysis
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| RTW INVESTMENTS, LP | 6.6M | 1.2% | −6% |
| RA CAPITAL MANAGEMENT, L.P. | 5.7M | 1.1% | n/a |
| Frazier Life Sciences Management, L.P. | 1.9M | 0.9% | ±0% |
| Citadel Advisors | 1.7M | 0.0% | +0% |
| BAMCO INC /NY/ | 1.7M | 0.1% | +17% |
| ADAR1 Capital Management, LLC | 1.4M | 1.6% | n/a |
◇ AC INTELLIGENCE
Top institutional owners for ZLAB as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER97.5% · 0 holders
OTHER1.9% · 62 holders
QUALITY / COMPOUNDER0.4% · 6 holders
TACTICAL / MACRO0.2% · 2 holders
PASSIVE / INDEX0.1% · 6 holders
DEALER / BANK0.1% · 16 holders
SYSTEMATIC / QUANT0.0% · 3 holders
ACTIVIST0.0% · 1 holder
INCOME / DEFENSIVE0.0% · 2 holders
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for ZLAB in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention ZLAB yet.