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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
2026
Q2 		$41.9M Buy
+2,207,293
New +$43.6M 0.13% 208
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 $11.7B AUM 174.13% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Woodline Partners's ZLAB Position: Q2 2026 in Review

Woodline Partners opened a new position in Zai Lab (ZLAB) in Q2 2026: 2,207,293 shares worth $41.9M. The stake represents 0.13% of the portfolio and ranks #208 among its holdings. This is a return to the name: Woodline Partners previously reported a position in ZLAB as recently as Q3 2025.

Woodline Partners first reported a position in ZLAB in Q4 2020 and has held it in 20 quarters since. The position peaked at $55.2M in Q4 2023. 93 funds tracked by Wall St. Rank hold ZLAB as of Q2 2026.

  • Woodline Partners held 2,207,293 shares of Zai Lab worth $41.9M as of Q2 2026.
  • Zai Lab was a new Woodline Partners position in Q2 2026.
  • Zai Lab made up 0.13% of Woodline Partners's portfolio in Q2 2026, its #208 holding.
  • Woodline Partners first reported a position in Zai Lab in Q4 2020 and has held it in 20 quarters since.
  • Woodline Partners's Zai Lab position peaked at $55.2M in Q4 2023.
  • 93 funds tracked by Wall St. Rank held Zai Lab as of Q2 2026.

Based on Woodline Partners's 13F filing for Q2 2026, filed 14 Aug 2026.