ZAI LAB LTD-ADR (ZLAB) Institutional Ownership Changes & 13F Activity

ZAI LAB LTD-ADR (ZLAB). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC and Viking Global Investors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-218,60014,300$268,983
Q2 2025Renaissance Technologies LLCBuy148,400232,900$8,144,513
Q1 2025Renaissance Technologies LLCSell-103,30084,500$3,053,830
Q4 2024Renaissance Technologies LLCBuy99,500187,800$4,918,482
Q3 2024Viking Global InvestorsSell-87,4371,949,937$47,071,479
Q3 2024Renaissance Technologies LLCBuy60,08688,300$2,131,562
Q2 2024Renaissance Technologies LLCBuy13,51428,214$488,949
Q2 2024Viking Global InvestorsSell-10,7552,037,374$35,307,691
Q1 2024Viking Global InvestorsBuy178,8462,048,129$32,811,027
Q1 2024Renaissance Technologies LLCBuy3,80014,700$235
Q4 2023Viking Global InvestorsSell-621,7201,869,283$51,087,504
Q4 2023Renaissance Technologies LLCBuy60010,900$298
Q3 2023Viking Global InvestorsSell-138,4422,491,003$60,556,283
Q3 2023Renaissance Technologies LLCSell-2,40010,300$250
Q2 2023Viking Global InvestorsBuy298,2002,629,445$72,914,510
Q2 2023Renaissance Technologies LLCSell-24,10012,700$352
Q1 2023Viking Global InvestorsBuy357,6482,331,245$77,537,209
Q1 2023Renaissance Technologies LLCSell-73,90036,800$1,224
Q4 2022Viking Global InvestorsSell-641,2201,973,597$60,589,428
Q4 2022Renaissance Technologies LLCBuy82,000110,700$3,398
Q3 2022Viking Global InvestorsSell-684,7812,614,817$89,427
Q3 2022Renaissance Technologies LLCSell-95,41428,700$982
Q2 2022Renaissance Technologies LLCSell-221,086124,114$4,304
Q2 2022Viking Global InvestorsBuy166,3013,299,598$114,430
Q1 2022Viking Global InvestorsBuy114,3393,133,297$137,802
Q4 2021Renaissance Technologies LLCBuy88,500345,200$21,696
Q4 2021Viking Global InvestorsBuy86,5023,018,958$189,742
Q3 2021Viking Global InvestorsBuy1,393,1992,932,456$309,052
Q3 2021Renaissance Technologies LLCBuy175,600256,700$27,054
Q2 2021Viking Global InvestorsBuy796,2401,539,257$272,433

Frequently asked questions about ZLAB activity

  • Which institutional owners are buying ZLAB?

    Institutional owners buying ZLAB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ZLAB activity?

    "Buy" means an investor increased their reported position in ZLAB compared to the prior reporting period. This reflects growing exposure to ZAI LAB LTD-ADR (ZLAB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ZLAB increasing?

    Institutional interest in ZLAB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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