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Who owns Zai Lab (ZLAB) stock

89 funds reported Zai Lab (ZLAB) shares in their latest 13F filings, worth $816M in all. The largest holder is RTW Investments, LP ($125M). Last quarter 39 funds added to their stakes and 49 cut them.

Largest holders of ZLAB (13F)Largest holders of ZLAB (13F)RTW Investments, LP$125MTCG Crossover Management, LLC$117MRA Capital Management, L.P.$109MADAR1 Capital Management, LLC$64.0MFMR LLC$53.5MGoldman Sachs Group$44.0MWoodline Partners LP$41.9MFrazier Life Sciences Management,…$36.1MBamco$30.9MTwo Sigma Investments, LP$24.7M

Largest holders (13F)

FundSharesValueChangeQuarter
RTW Investments, LP6,574,032$125Munchanged2026-06-30
TCG Crossover Management, LLC6,137,627$117Mnew2026-06-30
RA Capital Management, L.P.5,743,533$109Mnew2026-06-30
ADAR1 Capital Management, LLC3,369,034$64.0Mincrease2026-06-30
FMR LLC2,815,214$53.5Mincrease2026-06-30
Goldman Sachs Group2,315,480$44.0Mincrease2026-06-30
Woodline Partners LP2,207,293$41.9Mnew2026-06-30
Frazier Life Sciences Management, L.P.1,902,320$36.1Munchanged2026-06-30
Bamco1,623,694$30.9Mdecrease2026-06-30
Two Sigma Investments, LP1,299,394$24.7Mincrease2026-06-30
Citadel Advisors LLC1,284,706$24.4Mdecrease2026-06-30
Rock Springs Capital Management LP814,707$15.5Munchanged2026-06-30
BlackRock664,462$12.6Mdecrease2026-06-30
Jane Street Group, LLC476,541$9.1Mincrease2026-06-30
B Group450,646$8.6Munchanged2026-06-30

Zai Lab's latest quarter

Zai Lab, Q3 2026: revenue $108M (-7% year over year), operating margin -58.2%, net loss $46.1M, operating cash flow −$57.9M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most ZLAB stock?

By the latest 13F filings: RTW Investments, LP ($125M); TCG Crossover Management, LLC ($117M); RA Capital Management, L.P. ($109M); ADAR1 Capital Management, LLC ($64.0M); FMR LLC ($53.5M).

What is the short interest in ZLAB?

8,843,854 shares were sold short at the 2026-10-15 settlement, 23.69% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.