Zai Lab
ZLAB
93 hedge funds and large institutions have $819M invested in Zai Lab in 2026 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 28 increasing their positions, 29 reducing their positions, and 21 closing their positions.
200% more funds holding in top 10
Funds holding in top 10: 1 → 3 (+2)
54% more capital invested
Capital invested by funds: $531M → $819M (+$288M)
12.96% more ownership
Funds ownership: 25.04% → 38% (+13%)
3% less repeat investments, than reductions
Existing positions increased: 28 | Existing positions reduced: 29
6% less funds holding
Funds holding: 99 → 93 (-6)
24% less first-time investments, than exits
New positions opened: 16 | Existing positions closed: 21
100% less call options, than puts
Call options by funds: $6K | Put options by funds: $7.51M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TCM
TCG Crossover Management
Palo Alto,
California
|
+$121M |
| 2 |
WP
Woodline Partners
San Francisco,
California
|
+$43.6M |
| 3 |
Goldman Sachs
New York
|
+$43.6M |
| 4 |
ACM
ADAR1 Capital Management
Austin,
Texas
|
+$38.4M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
+$30.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$8.59M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$7.98M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$5.49M |
| 4 |
BlackRock
New York
|
-$3.96M |
| 5 |
SCM
Superstring Capital Management
New York
|
-$2.37M |
ZLAB Hedge Fund Activity: Q2 2026 in Review
93 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Zai Lab (ZLAB) for Q2 2026, worth a combined $819M — up 54% from $531M a quarter earlier.
Sellers outnumbered buyers: 21 funds closed out of ZLAB and 16 opened new positions — a net loss of 5 holders — while 29 trimmed existing stakes and 28 added.
The largest buyer was TCG Crossover Management, opening a new position worth an estimated $121M. The largest seller was UBS Group, cutting an estimated $8.59M.
- 93 institutional investors held Zai Lab (ZLAB) as of Q2 2026, down from 99 in Q1 2026.
- Funds reported $819M of Zai Lab stock for Q2 2026, up 54% quarter-over-quarter.
- 16 funds opened new Zai Lab positions in Q2 2026 and 21 closed out, a net change of -5 holders.
- The largest Zai Lab buyer in Q2 2026 was TCG Crossover Management, an estimated $121M added.
- The largest Zai Lab seller in Q2 2026 was UBS Group, an estimated $8.59M sold.
Based on aggregated 13F filings for Q2 2026.