WhaleCreep

Which hedge funds own ZLAB? ZAI LAB LTD, Q2 2026 13F holders

HealthcareBiotechnology

20 tracked hedge funds disclosed a position in ZLAB (ZAI LAB LTD) in their Q2 2026 13F filings, worth $478.1m in total. The largest holder by portfolio weight is B Group, Inc. at 4.9% of its book. 5 opened a new position this quarter: Spruce Street Capital LP, Nantahala Capital Management, LLC, Woodline Partners LP, Marshall Wace, LLP. 3 exited: Walleye Capital LLC, Point72 Asset Management, L.P., Renaissance Technologies LLC.

20
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
5
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
3
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$54.1m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$2.7m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$478m
Combined value
Sum of the holders' reported positions in the security.
1.6%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

20 rows
B Group, Inc. Hedge fund4.9%$8.6m450,6460.0%held
ADAR1 Capital Management, LLC Hedge fund3.0%$64.0m3.37m+136%added
Superstring Capital Management LP Hedge fund1.9%$3.0m155,813−44%reduced
NEXTBio Capital Management LP Hedge fund1.6%$3.5m183,3620.0%held
RTW Investments, LP Hedge fund1.1%$125m6.57m0.0%held
Spruce Street Capital LP Hedge fund1.0%$5.3m279,110–new
RA Capital Management, L.P. Hedge fund0.9%$109m5.74m+0.6%added
Frazier Life Sciences Management, L.P. Hedge fund0.8%$36.1m1.90m0.0%held
Rock Springs Capital Management LP Hedge fund0.8%$15.5m814,7070.0%held
Seven Fleet Capital Management LP Hedge fund0.5%$2.9m136,016+75%added
Nantahala Capital Management, LLC Hedge fund0.2%$3.8m200,000–new
Woodline Partners LP Hedge fund0.1%$41.9m2.21m–new
Persistent Asset Partners Ltd Hedge fund0.07%$210k11,040−11%reduced
Hudson Bay Capital Management LP Hedge fund0.02%$4.1m215,000+617%added
Two Sigma Investments, LP Hedge fund0.02%$24.7m1.30m+320%added
Citadel Advisors LLC Hedge fund0.01%$24.4m1.28m−24%reduced
Marshall Wace, LLP Hedge fund0.0%$2.8m147,217–new
D. E. Shaw & Co., Inc. Hedge fund0.0%$2.7m141,158+123%added
Schonfeld Strategic Advisors LLC Hedge fund0.0%$294k15,496–new
Squarepoint Ops LLC Hedge fund0.0%$291k15,316−21%reduced