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ZLAB · Zai Lab Ltd

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$18.31 -0.31 (-1.66%) At close · Jul 29
Customer concentration — top customer 25% of receivables

One customer — 25% of receivables (As of March 31, 2026)

“As of March 31, 2026, our largest customer accounted for approximately 25% of our total accounts receivable collectively.”
View the 10-Q filed May 7, 2026
Market Cap
$27.26B
Shares
1.46B

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 98
Total Value: $537,624,478
Total Shares: 28,574,278
Showing 1–100 of 104 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 99 13F filers
Top Holder
23.0%
Jun 2023 → Mar 2026 · range 11.2% – 23.8%
of institutional value
Top 5
61.5%
Jun 2023 → Mar 2026 · range 40.7% – 61.5%
of institutional value
Top 10
78.6%
Jun 2023 → Mar 2026 · range 61.6% – 78.6%
of institutional value
HHI
1,128
Jun 2023 → Mar 2026 · range 496 – 1,128
Broadly held
Showing 100 of 104
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Large RTW INVESTMENTS, LP $123,657,541 23.00% 6,574,032
Mid RA CAPITAL MANAGEMENT, L.P. $107,353,598 19.97% 5,707,262
Mid Frazier Life Sciences Management, L.P. $35,782,639 6.66% 1,902,320
Mega CITADEL ADVISORS LLC $31,763,167 5.91% 1,688,632
Large BAMCO INC /NY/ $31,192,961 5.80% 1,658,318
Mid ADAR1 Capital Management, LLC $26,811,153 4.99% 1,425,367
Mega FMR LLC $23,745,573 4.42% 1,262,391
Mega BlackRock, Inc. $16,273,394 3.03% 865,146
Mid Rock Springs Capital Management LP $15,324,638 2.85% 814,707
Mid C WorldWide Group Holding A/S $9,593,100 1.78% 510,000
Mega UBS Group AG $9,483,830 1.76% 504,191
Small B Group, Inc. $8,476,651 1.58% 450,646
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $7,395,471 1.38% 393,167
Small NAN FUNG TRINITY (HK) LTD $6,582,854 1.22% 346,466
Mega TWO SIGMA INVESTMENTS, LP $5,825,889 1.08% 309,723
Mega PRICE T ROWE ASSOCIATES INC /MD/ $5,485,729 1.02% 291,639
Small SUPERSTRING CAPITAL MANAGEMENT LP $5,188,136 0.97% 275,818
Mega JANE STREET GROUP, LLC $5,039,687 0.94% 267,926
Mega AMERIPRISE FINANCIAL INC $4,581,306 0.85% 243,557
Large Aberdeen Group plc $4,471,870 0.83% 237,739
Mid Hennion & Walsh Asset Management, Inc. $4,377,942 0.81% 230,418
Mega JANE STREET GROUP, LLC $3,743,190 0.70% 199,000
Large Tidal Investments LLC $3,455,227 0.64% 183,691
Small NEXTBio Capital Management LP $3,449,039 0.64% 183,362
Mega DIMENSIONAL FUND ADVISORS LP $3,277,340 0.61% 174,234
Small Privium Fund Management B.V. $2,486,475 0.46% 132,189
Mega STATE STREET CORP $2,234,872 0.42% 118,813
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $2,192,493 0.41% 116,560
Large ALPS ADVISORS INC $2,098,189 0.39% 110,431
Mega GOLDMAN SACHS GROUP INC $2,080,141 0.39% 110,587
Large Walleye Capital LLC $1,780,893 0.33% 94,678
Mega MORGAN STANLEY $1,775,604 0.33% 94,397
Small Seven Fleet Capital Management LP $1,464,508 0.27% 77,858
Mega Legal & General Group Plc $1,316,962 0.24% 70,014
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,297,890 0.24% 69,000
Small BAROMETER CAPITAL MANAGEMENT INC. $1,250,865 0.23% 66,500
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,227,314 0.23% 65,248
Small DCF Advisers, LLC $1,194,435 0.22% 63,500
Mega D. E. Shaw & Co., Inc. $1,189,600 0.22% 63,243
Small Virtus Investment Advisers, LLC $893,681 0.17% 47,511
Mid XTX Topco Ltd $885,424 0.16% 47,072
Mega TD Asset Management Inc $704,246 0.13% 37,440
Small WealthPlan Investment Management, LLC $698,459 0.13% 36,761
Large Point72 Asset Management, L.P. $660,607 0.12% 35,120
Mega CITADEL ADVISORS LLC $624,492 0.12% 33,200
Large Hudson Bay Capital Management LP $564,300 0.10% 30,000
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $561,196 0.10% 29,835
Small Headlands Technologies LLC $528,730 0.10% 28,109
Mega Invesco Ltd. $499,555 0.09% 26,558
Mega NORTHERN TRUST CORP Bank $483,585 0.09% 25,709
Mega ENVESTNET ASSET MANAGEMENT INC $466,130 0.09% 24,781
Mega GEODE CAPITAL MANAGEMENT, LLC $449,163 0.08% 23,879
Large Squarepoint Ops LLC $366,099 0.07% 19,463
Large Erste Asset Management GmbH $286,900 0.05% 15,100
Small Bridgefront Capital, LLC $273,290 0.05% 14,529
Large RENAISSANCE TECHNOLOGIES LLC $268,983 0.05% 14,300
Mega BANK OF MONTREAL /CAN/ Bank $261,459 0.05% 13,900
Small Persistent Asset Partners Ltd $232,096 0.04% 12,339
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $210,672 0.04% 11,200
Small AXQ CAPITAL, LP $201,154 0.04% 10,694
Mid Vanguard Personalized Indexing Management, LLC $198,332 0.04% 10,544
Large Mariner, LLC $188,457 0.04% 10,019
Mid GROUP ONE TRADING LLC $145,175 0.03% 7,718
Mega JPMORGAN CHASE & CO $127,549 0.02% 6,781
Large SG Americas Securities, LLC Broker-Dealer $109,079 0.02% 5,799
Mega WELLS FARGO & COMPANY/MN $101,987 0.02% 5,422
Large Daiwa Securities Group Inc. Broker-Dealer $101,574 0.02% 5,400
Large Daiwa Securities Group Inc. Broker-Dealer $101,574 0.02% 5,400
Mid China Universal Asset Management Co., Ltd. $99,560 0.02% 5,240
Large Mirae Asset Global Investments Co., Ltd. $74,594 0.01% 3,926
Mega BARCLAYS PLC $66,417 0.01% 3,531
Small Basecamp Wealth Advisors LLC $50,467 0.01% 2,683
Mega ROYAL BANK OF CANADA Bank $32,746 0.01% 1,741
Mid SIMPLEX TRADING, LLC $32,635 0.01% 1,735
Large US BANCORP \DE\ Bank $19,241 0.00% 1,023
Large FIFTH THIRD BANCORP Bank $18,885 0.00% 1,004
Mega CITIGROUP INC $18,037 0.00% 959
Mid GF FUND MANAGEMENT CO. LTD. $16,421 0.00% 873
Mega BNP PARIBAS ARBITRAGE, SA $14,163 0.00% 753
Mid Farther Finance Advisors, LLC $13,110 0.00% 690
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $11,812 0.00% 628
Large CWM, LLC $5,436 0.00% 289
Small Quent Capital, LLC $4,326 0.00% 230
Large OSAIC HOLDINGS, INC. $4,138 0.00% 220
Large ASSETMARK, INC $3,912 0.00% 208
Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $3,799 0.00% 202
Mega DEUTSCHE BANK AG\ Bank $2,765 0.00% 147
Mid Smartleaf Asset Management LLC $2,482 0.00% 132
Mid EverSource Wealth Advisors, LLC $2,223 0.00% 117
Large Walleye Capital LLC $1,881 0.00% 100
Mid North Star Investment Management Corp. $1,843 0.00% 97
Small AMERIFLEX GROUP, INC. $1,166 0.00% 62
Large BESSEMER GROUP INC $1,015 0.00% 54
Mid Advisory Services Network, LLC $940 0.00% 50
Mid Larson Financial Group LLC $827 0.00% 44
Mid SBI Securities Co., Ltd. Broker-Dealer $760 0.00% 40
Micro Cornerstone Financial Management LLC $601 0.00% 32
Mid Parallel Advisors, LLC $507 0.00% 27
Micro Bell Investment Advisors, Inc $489 0.00% 26
Mega PNC FINANCIAL SERVICES GROUP, INC. $413 0.00% 22
Key facts CIK 1704292 CUSIP 98887Q104 13F (30d) 25 filings 13 filers Visit website Investor relations

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