Latest Period
Q1 2026
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
Institutions Reporting
98
Shares (Excl. Options)
28,245,590
Price
$18.81
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- Security type / class
- Equity / Ordinary Shares, par value $0.000006 per share
- Symbol
- ZLAB on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 28,245,590
- Total 13F value
- $530,897,365
- Portfolio coverage rank
- 0%
- Share change
- -692,089
- Value change
- -$7,725,702
- Number of holders
- 98
- Shares outstanding
- 1,104,525,577
- SEC-reported price per share
- $20.47
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ZLAB - Zai Lab Ltd - Ordinary Shares, par value $0.000006 per share is tracked under CUSIP 98887Q104.
- 98 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 126 to 98 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $510,471,138 to $530,897,365.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 98 institutions filings for Q1 2026.
Security key
98887Q104
Latest holder period
Q1 2026
13F holders
98
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
ZLAB full holder history
Zai Lab Ltd SEC filings
Zai Lab Ltd company facts
Zai Lab Ltd insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 98887Q104:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
ZLAB
| 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 Mar 2026, 98 institutional investors reported holding 28,245,590 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.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
35
Latest
Q1 2026
Rows shown
1-25 of 35
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 28,245,590 | $530,897,365 | -$7,725,702 | $18.81 | 98 |
| 2025 Q4 | 28,938,176 | $510,471,138 | -$278,863,282 | $17.64 | 126 |
| 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 |