Security Snapshot

Zai Lab Ltd - Ordinary Shares, par value $0.000006 per share (ZLAB) Institutional Ownership

CUSIP: 98887Q104

13F Institutional Holders and Ownership History from Q3 2017 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

125

Shares (Excl. Options)

28,935,596

Price

$17.64

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Type / Class
Equity / Ordinary Shares, par value $0.000006 per share
Symbol
ZLAB on Nasdaq
Shares outstanding
1,104,525,577
Price per share
$18.81
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
28,935,596
Total reported value
$510,425,627
% of total 13F portfolios
0%
Share change
-6,283,958
Value change
-$278,863,282
Number of holders
125
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • ZLAB - Zai Lab Ltd - Ordinary Shares, par value $0.000006 per share is tracked under CUSIP 98887Q104.
  • 125 institutions reported positions in Q4 2025.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 125 to 6 between Q4 2025 and Q1 2026.
  • Reported value moved from $510,425,627 to $614,836.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 125 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 98887Q104?
CUSIP 98887Q104 identifies ZLAB - Zai Lab Ltd - Ordinary Shares, par value $0.000006 per share in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Zai Lab Ltd - Ordinary Shares, par value $0.000006 per share (ZLAB) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
RTW INVESTMENTS, LP 6.3% +210% $1,258,888,889 +$844,379,694 69,590,320 +204% RTW Investments, LP 31 Dec 2025
Qiming Venture Partners IV, L.P. 6% $2,365,303,551 66,329,320 Qiming Corporate GP IV, Ltd. 30 Jun 2025
RA CAPITAL MANAGEMENT, L.P. 5.2% $1,083,804,677 57,435,330 RA Capital Management, L.P. 30 Mar 2026
Qiming Corporate GP IV, Ltd 4.4% $884,305,102 48,883,643 Qiming Corporate GP IV, Ltd. 31 Dec 2025

As of 31 Dec 2025, 125 institutional investors reported holding 28,935,596 shares of Zai Lab Ltd - Ordinary Shares, par value $0.000006 per share (ZLAB). This represents 2.6% of the company’s total 1,104,525,577 outstanding shares.

Institutional Holders of Zai Lab Ltd - Ordinary Shares, par value $0.000006 per share (ZLAB) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 32,613 $614,836 +$76,746 $18.81 6
2025 Q4 28,935,596 $510,425,627 -$278,863,282 $17.64 125
2025 Q3 35,163,819 $1,191,548,050 -$254,812,706 $33.89 137
2025 Q2 42,596,490 $1,489,575,949 -$413,866,563 $34.97 153
2025 Q1 54,354,713 $1,968,916,000 -$65,840,101 $36.14 158
2024 Q4 56,344,833 $1,475,697,182 +$282,698,047 $26.19 129
2024 Q3 45,281,591 $1,092,880,285 +$127,670,248 $24.14 102
2024 Q2 40,522,673 $702,153,167 +$18,622,237 $17.33 103
2024 Q1 41,147,009 $659,065,362 -$18,706,265 $16.02 115
2023 Q4 41,015,622 $1,120,873,222 +$48,948,854 $27.33 120
2023 Q3 39,262,224 $954,099,816 -$90,395,051 $24.31 119
2023 Q2 42,648,412 $1,185,016,441 -$306,108,893 $27.73 135
2023 Q1 52,888,961 $1,759,064,052 -$156,225,112 $33.26 158
2022 Q4 57,708,310 $1,771,980,125 -$40,130,592 $30.70 161
2022 Q3 59,078,776 $2,020,875,363 -$45,377,506 $34.20 163
2022 Q2 60,363,203 $2,092,993,511 -$58,996,559 $34.68 154
2022 Q1 61,534,638 $2,705,973,136 -$205,164,959 $43.98 166
2021 Q4 64,537,843 $4,057,860,045 -$74,113,683 $62.85 197
2021 Q3 64,063,848 $6,752,343,102 +$155,334,361 $105.39 219
2021 Q2 61,361,677 $10,854,273,878 +$1,384,583,611 $176.99 228
2021 Q1 54,242,481 $7,235,875,607 +$118,680,137 $133.43 216
2020 Q4 52,143,835 $7,056,266,230 +$525,905,376 $135.34 184
2020 Q3 50,066,541 $4,159,868,941 +$164,807,578 $83.17 173
2020 Q2 48,007,738 $3,939,583,811 +$167,669,947 $82.13 167
2020 Q1 46,171,446 $2,377,201,339 +$453,931,003 $51.48 132
2019 Q4 37,380,146 $1,555,042,457 -$10,447,450 $41.59 100
2019 Q3 37,091,034 $1,200,869,356 +$64,742,057 $32.35 88
2019 Q2 35,074,938 $1,222,723,384 +$486,970,041 $34.87 80
2019 Q1 21,208,398 $625,651,000 +$5,950,313 $29.51 68
2018 Q4 21,020,627 $487,979,000 +$9,022,608 $23.22 60
2018 Q3 20,231,258 $394,105,000 +$153,220,165 $19.48 60
2018 Q2 12,321,983 $286,484,000 +$34,539,314 $23.25 38
2018 Q1 10,842,196 $231,479,000 +$10,475,120 $21.35 35
2017 Q4 10,354,516 $219,827,000 +$19,200,370 $21.23 33
2017 Q3 9,154,332 $247,165,000 +$245,612,000 $27.00 47