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Woodline Partners’s Zai Lab ZLAB Stock Holding History

Woodline Partners’s Portfolio ZLAB Stock Details ZLAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-198,509
Closed -$6.73M – 1137
2025
Q3 		$6.73M Sell
198,509
-1,002,507
-83% -$34.5M 0.03% 508
2025
Q2 		$42M Hold
1,201,016
– – 0.22% 129
2025
Q1 		$43.4M Sell
1,201,016
-558,781
-32% -$17.2M 0.28% 104
2024
Q4 		$46.1M Buy
1,759,797
+151,835
+9% +$4.21M 0.31% 88
2024
Q3 		$38.8M Sell
1,607,962
-724,722
-31% -$13.7M 0.33% 95
2024
Q2 		$40.4M Sell
2,332,684
-264,152
-10% -$4.64M 0.39% 72
2024
Q1 		$41.6M Buy
2,596,836
+578,309
+29% +$12.2M 0.38% 74
2023
Q4 		$55.2M Buy
2,018,527
+1,217,133
+152% +$32.1M 0.6% 47
2023
Q3 		$19.5M Buy
801,394
+578,362
+259% +$15.4M 0.23% 135
2023
Q2 		$6.18M Sell
223,032
-113,934
-34% -$3.73M 0.07% 263
2023
Q1 		$11.2M Buy
336,966
+138,777
+70% +$5.32M 0.15% 182
2022
Q4 		$6.08M Sell
198,189
-265,140
-57% -$8.36M 0.08% 289
2022
Q3 		$15.8M Sell
463,329
-183,933
-28% -$7.87M 0.22% 135
2022
Q2 		$22.4M Buy
647,262
+355,745
+122% +$12.5M 0.35% 88
2022
Q1 		$12.8M Buy
+291,517
New +$14.1M 0.21% 148
2021
Q4 		– Sell
-66,660
Closed -$7.03M – 801
2021
Q3 		$7.03M Sell
66,660
-18,399
-22% -$2.64M 0.11% 212
2021
Q2 		$15.1M Buy
85,059
+6,157
+8% +$990K 0.28% 96
2021
Q1 		$10.5M Buy
78,902
+17,532
+29% +$2.71M 0.23% 112
2020
Q4 		$8.31M Buy
+61,370
New +$6.25M 0.22% 127

Other funds holding ZLAB

RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
FLSM
Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $1.7B AUM 93.03% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Woodline Partners's ZLAB Position: Q4 2025 in Review

Woodline Partners sold out of Zai Lab (ZLAB) in Q4 2025, closing a stake of 198,509 shares — an estimated $6.73M sold.

Woodline Partners first reported a position in ZLAB in Q4 2020 and held it in 19 quarters. The position peaked at $55.2M in Q4 2023. 126 funds tracked by Wall St. Rank hold ZLAB as of Q4 2025.

  • Woodline Partners reported no remaining Zai Lab position as of Q4 2025 after selling out during the quarter.
  • Woodline Partners sold 198,509 Zai Lab shares in Q4 2025, an estimated $6.73M.
  • Woodline Partners first reported a position in Zai Lab in Q4 2020 and held it in 19 quarters.
  • Woodline Partners's Zai Lab position peaked at $55.2M in Q4 2023.
  • 126 funds tracked by Wall St. Rank held Zai Lab as of Q4 2025.

Based on Woodline Partners's 13F filing for Q4 2025, filed 17 Feb 2026.