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Zai Lab
ZLAB

Overview Fund Activity

158 hedge funds and large institutions have $1.97B invested in Zai Lab in 2025 Q1 according to their latest regulatory filings, with 46 funds opening new positions, 48 increasing their positions, 46 reducing their positions, and 16 closing their positions.

Holders
158
Holders Change
+29
Holders Change %
+22.48%
% of All Funds
2.15%
Holding in Top 10
7
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+40%
% of All Funds
0.1%
New
46
Increased
48
Reduced
46
Closed
16
Calls
$4.43M
Puts
$11.8M
Net Calls
-$7.38M
Net Calls Change
+$2.33M

Top Buyers

1
ClearBridge Investments
1
ClearBridge Investments
New York
$119M
2
Principal Financial Group
2
Principal Financial Group
Iowa
$104M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$231M
4
Jennison Associates
4
Jennison Associates
New York
$25.7M
5
RI
5
RTW Investments
New York
$113M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$132M
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$142M
3
WP
3
Woodline Partners
California
$43.4M
4
Morgan Stanley
4
Morgan Stanley
New York
$95.2M
5
UBS Group
5
UBS Group
Switzerland
$14.2M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$231M 6,378,128 +902,623 +16%
Capital World Investors
2
Capital World Investors
California
$217M 6,008,419 -425,005 -7%
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$142M 3,813,433 -2,754,459 -42%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$132M 3,647,225 -3,010,510 -45%
ClearBridge Investments
5
ClearBridge Investments
New York
$119M 3,279,567 +1,416,725 +76%
RI
6
RTW Investments
New York
$113M 3,136,680 +627,561 +25%
Principal Financial Group
7
Principal Financial Group
Iowa
$104M 2,884,810 +1,121,856 +64%
Morgan Stanley
8
Morgan Stanley
New York
$95.2M 2,634,559 -532,387 -17%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$82M 2,268,216 -85,809 -4%
Allianz Asset Management
10
Allianz Asset Management
Germany
$68.1M 1,884,411 +378,545 +25%
BAMCO Inc
11
BAMCO Inc
New York
$66.1M 1,829,494 -79,594 -4%
RCM
12
RA Capital Management
Massachusetts
$46.8M 1,295,040 – –
WP
13
Woodline Partners
California
$43.4M 1,201,016 -558,781 -32%
Connor, Clark & Lunn Investment Management (CC&L)
14
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$36.5M 1,009,020 +167,285 +20%
ACM
15
ADAR1 Capital Management
Texas
$34M 940,858 -104,979 -10%
RSCM
16
Rock Springs Capital Management
Maryland
$32.7M 904,592 -400,745 -31%
MB
17
MPM BioImpact
Massachusetts
$30.1M 833,659 +33,659 +4%
Jennison Associates
18
Jennison Associates
New York
$25.7M 712,300 +712,300 New
BlackRock
19
BlackRock
New York
$18.6M 515,241 -64,287 -11%
CWG
20
C WorldWide Group
Denmark
$16.6M 460,000 -40,000 -8%
Manulife (Manufacturers Life Insurance)
21
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$14.5M 401,082 +240,704 +150%
BGI
22
B Group Inc
Texas
$14.5M 400,000 – –
UBS Group
23
UBS Group
Switzerland
$14.2M 393,117 -485,685 -55%
Citadel Advisors
24
Citadel Advisors
Florida
$13.8M 382,469 +202,417 +112%
FLSM
25
Frazier Life Sciences Management
California
$12.6M 350,000 +350,000 New
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