ZAI LAB LTD (ZLAB) is held by 58 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is RTW INVESTMENTS, LP as of Q1 2026.

Are institutions buying or selling ZLAB?

In Q1 2026, 22 institutions opened or increased positions in ZAI LAB LTD while 55 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on ZLAB?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ZAI LAB LTD.

How many hedge funds hold ZLAB?

58 institutional investors report holding ZAI LAB LTD (ZLAB) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ZLAB?

As of Q1 2026, tracked institutions in ZAI LAB LTD show 22 buyers versus 55 sellers — net outflows.

ZAI LAB LTD

ZLAB·98887Q104·US·ADR·Healthcare - Biotechnology-13D/G

Holders

Avg rating(15 Elite)

$405.7M

Total Value

29% (80)

Fund Consensus

22 buying - 55 selling

Smart Money Verdict

View all

Held by 58 funds

15 elite

Who's Trading

InsiderLWLis WilliamSell $127KJun 22, 2026

ActivistCYChen Yu5.3%Jun 11, 2026

InsiderEIEdmondson Frazor Titus IIISell $71KMay 14, 2026

InsiderDYDu YingSell $54KApr 6, 2026

InsiderSLSmiley Joshua LSell $62KApr 6, 2026

Activist

RA Capital Management, L.P.5.2%Apr 6, 2026

InsiderARAmado RafaelSell $56KApr 6, 2026

InsiderCYChen YajingSell $17KApr 6, 2026

InsiderEIEdmondson Frazor Titus IIISell $25KApr 6, 2026

InsiderDYDu YingSell $114KApr 2, 2026

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
RTW INVESTMENTS, LP	Decreased	6.6M(-5.5%)	$123.7M	1.2%	-7.39%	0
RA CAPITAL MANAGEMENT, L.P.	New	5.7M	$107.4M	1.1%	+15.63%	69
CITADEL ADVISORS LLC	Increased	1.7M(+0.1%)	$31.8M	0.0%	-20.13%	29
BAMCO INC /NY/	Increased	1.7M(+16.9%)	$31.2M	0.1%	-16.79%	34
FMR LLC	Decreased	1.3M(-12.4%)	$23.7M	0.0%	-26.82%	0
BlackRock, Inc.	Increased	865,146(+36.2%)	$16.3M	0.0%	-9.45%	37
UBS Group AG	Decreased	504,191(-71.7%)	$9.5M	0.0%	+5.78%	0
SCHRODER INVESTMENT MANAGEMENT GROUP	Increased	393,167(+31.1%)	$7M	0.0%	-11.59%	35
TWO SIGMA INVESTMENTS, LP	Increased	309,723(+949.1%)	$5.8M	0.0%	+15.69%	44
PRICE T ROWE ASSOCIATES INC /MD/	Decreased	291,639(-51.6%)	$5.5M	0.0%	-36.73%	0
JANE STREET GROUP, LLC	Decreased	267,926(-29.9%)	$5M	0.0%	+16.22%	0
AMERIPRISE FINANCIAL INC	Increased	243,557(+34.5%)	$4.6M	0.0%	+16.07%	35
Aberdeen Group plc	New	237,739	$4.5M	0.0%	+15.63%	37
Tidal Investments LLC	New	183,691	$3.5M	0.0%	+15.63%	37
DIMENSIONAL FUND ADVISORS LP	Increased	174,234(+0.2%)	$3.3M	0.0%	+0.75%	26
STATE STREET CORP	Decreased	118,813(-12.9%)	$2.2M	0.0%	-25.17%	0
BNP Paribas Asset Management Holding S.A.	Increased	116,560(+77.1%)	$2.2M	0.0%	+15.96%	39
GOLDMAN SACHS GROUP INC	Decreased	110,587(-26.0%)	$2.1M	0.0%	-17.11%	0
Walleye Capital LLC	Decreased	94,678(-74.6%)	$1.8M	0.0%	+16.22%	0
MORGAN STANLEY	Decreased	94,397(-67.4%)	$1.8M	0.0%	+1.41%	0