ZLAB
Zai Lab Sp ADR (ZLAB)
NASDAQ
$18.44-$0.04 (-0.23%)
Price as of Jun 23, 2026 2:45 PM EDT
  • $2.1B
    Market Cap
  • -48.68%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
RTW INVESTMENTS, LP
5.85%
6.6M
-385,000 (-5.86%)
Mar 31, 2026
RA CAPITAL MANAGEMENT, L.P.
5.08%
5.7M
+5.7M (+100.00%)
Mar 31, 2026
WELLINGTON MANAGEMENT CO LLP
3.16%
3.5M
-57,175 (-1.61%)
Dec 31, 2021
JANUS HENDERSON GROUP PLC
1.82%
2.0M
-148,323 (-7.24%)
Sep 30, 2025
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.
1.69%
1.9M
0 (0.00%)
Mar 31, 2026
FEDERATED HERMES, INC.
1.67%
1.9M
+493 (+0.03%)
Dec 31, 2021
CITADEL ADVISORS LLC
1.50%
1.7M
+786 (+0.05%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions863.9M (75.47%)
  • Mutual Funds278.0M (24.28%)
  • Insiders2.8M (0.25%)
  • Other0 (0.00%)

Insider Transactions

  • 0.25% (2.8M)
    Current InsiderOwnership (%, shares)
  • 2
    Number of InsiderBuying (last 12 months)
  • $3.3M
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $274.7M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
GAYNOR RICHARD
Award
Jun 17, 2026
$0.00
22,371
$0.00
79,001
DIEKMAN JOHN D
Award
Jun 17, 2026
$0.00
22,371
$0.00
122,140
Lis William
Award
Jun 17, 2026
$0.00
22,371
$0.00
57,477
MOULDER LEON O JR
Award
Jun 17, 2026
$0.00
22,371
$0.00
94,973
Leung Nisa
Award
Jun 17, 2026
$0.00
22,371
$0.00
96,297
WIRTH PETER
Award
Jun 17, 2026
$0.00
22,371
$0.00
416,121
Smiley Joshua L
See Remarks
Sell
Apr 06, 2026
$61,691.62
3,017
$20.45
117,602
Amado Rafael
See Remarks
Sell
Apr 06, 2026
$56,007.07
2,739
$20.45
57,022
Edmondson Frazor Titus III
Chief Legal Officer
Exempt
Apr 02, 2026
$0.00
5,031
$0.00
5,032
Smiley Joshua L
See Remarks
Exempt
Apr 02, 2026
$0.00
7,145
$0.00
130,233
Chen Yajing
Chief Financial Officer
Exempt
Apr 02, 2026
$0.00
2,500
$0.00
2,500
Du Ying
Chairperson & CEO
Exempt
Apr 02, 2026
$0.00
6,750
$0.00
1.1M
Edmondson Frazor Titus III
Chief Legal Officer
Exempt
Apr 02, 2026
$0.00
5,031
$0.00
28,784
Smiley Joshua L
See Remarks
Sell
Apr 02, 2026
$196,029.46
9,614
$20.39
120,619
Chen Yajing
Chief Financial Officer
Exempt
Apr 02, 2026
$0.00
2,500
$0.00
37,757
Du Ying
Chairperson & CEO
Sell
Apr 02, 2026
$113,694.64
5,576
$20.39
1.1M
Edmondson Frazor Titus III
Chief Legal Officer
Sell
Apr 02, 2026
$85,515.66
4,194
$20.39
24,590
Smiley Joshua L
See Remarks
Exempt
Apr 02, 2026
$0.00
7,145
$0.00
7,145
Chen Yajing
Chief Financial Officer
Sell
Apr 02, 2026
$106,007.61
5,199
$20.39
32,558
Du Ying
Chairperson & CEO
Exempt
Apr 02, 2026
$0.00
6,750
$0.00
13,500
Edmondson Frazor Titus III
Chief Legal Officer
Exempt
Apr 01, 2026
$0.00
2,671
$0.00
2,671
Smiley Joshua L
See Remarks
Exempt
Apr 01, 2026
$0.00
32,062
$0.00
123,088
Chen Yajing
Chief Financial Officer
Exempt
Apr 01, 2026
$0.00
1,500
$0.00
21,499
Du Ying
Chairperson & CEO
Exempt
Apr 01, 2026
$0.00
10,800
$0.00
1.1M
Edmondson Frazor Titus III
Chief Legal Officer
Exempt
Apr 01, 2026
$0.00
830
$0.00
0
Smiley Joshua L
See Remarks
Exempt
Apr 01, 2026
$0.00
32,062
$0.00
64,125
Chen Yajing
Chief Financial Officer
Exempt
Apr 01, 2026
$0.00
13,758
$0.00
35,257
Du Ying
Chairperson & CEO
Exempt
Apr 01, 2026
$0.00
3,400
$0.00
1.1M
Edmondson Frazor Titus III
Chief Legal Officer
Exempt
Apr 01, 2026
$0.00
13,758
$0.00
27,516
Du Ying
Chairperson & CEO
Exempt
Apr 01, 2026
$0.00
10,800
$0.00
10,800