Marshall Wace
ZLAB icon

Marshall Wace’s Zai Lab ZLAB Stock Holding History

Marshall Wace’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 		$2.8M Buy
+147,217
New +$2.91M ﹤0.01% 1660
2026
Q1 		– Sell
-231,802
Closed -$4.09M – 3743
2025
Q4 		$4.09M Buy
231,802
+170,400
+278% +$3.99M ﹤0.01% 1249
2025
Q3 		$2.08M Buy
61,402
+36,946
+151% +$1.27M ﹤0.01% 1593
2025
Q2 		$855K Sell
24,456
-3,475
-12% -$114K ﹤0.01% 1919
2025
Q1 		$1.01M Sell
27,931
-261,061
-90% -$8.03M ﹤0.01% 1777
2024
Q4 		$7.57M Buy
+288,992
New +$8.02M 0.01% 897
2023
Q3 		– Sell
-14,859
Closed -$412K – 2766
2023
Q2 		$412K Buy
+14,859
New +$486K ﹤0.01% 2052
2023
Q1 		– Sell
-8,710
Closed -$267K – 3169
2022
Q4 		$267K Hold
8,710
– – ﹤0.01% 2600
2022
Q3 		$298K Sell
8,710
-50,597
-85% -$2.16M ﹤0.01% 2955
2022
Q2 		$2.06M Buy
59,307
+50,597
+581% +$1.78M ﹤0.01% 1967
2022
Q1 		$383K Sell
8,710
-431,419
-98% -$20.9M ﹤0.01% 2892
2021
Q4 		$27.7M Buy
440,129
+190,448
+76% +$16.1M 0.05% 378
2021
Q3 		$26.3M Buy
249,681
+246,076
+6,826% +$35.3M 0.11% 200
2021
Q2 		$638K Buy
+3,605
New +$580K ﹤0.01% 2021
2021
Q1 		– Sell
-66,617
Closed -$9.02M – 2920
2020
Q4 		$9.02M Buy
+66,617
New +$6.78M 0.05% 377
2020
Q2 		– Sell
-1,420
Closed -$73K – 2008
2020
Q1 		$73K Hold
1,420
– – ﹤0.01% 1372
2019
Q4 		$59K Hold
1,420
– – ﹤0.01% 1528
2019
Q3 		$46K Buy
+1,420
New +$48.7K ﹤0.01% 1506
2019
Q2 		– Sell
-4,244
Closed -$125K – 1915
2019
Q1 		$125K Hold
4,244
– – ﹤0.01% 1407
2018
Q4 		$99K Sell
4,244
-268,838
-98% -$4.99M ﹤0.01% 1372
2018
Q3 		$5.32M Buy
+273,082
New +$5.92M 0.05% 444

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
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 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

Marshall Wace's ZLAB Position: Q2 2026 in Review

Marshall Wace opened a new position in Zai Lab (ZLAB) in Q2 2026: 147,217 shares worth $2.8M. The stake represents ﹤0.01% of the portfolio and ranks #1660 among its holdings. This is a return to the name: Marshall Wace previously reported a position in ZLAB as recently as Q4 2025.

Marshall Wace first reported a position in ZLAB in Q3 2018 and has held it in 21 quarters since. The position peaked at $27.7M in Q4 2021. 93 funds tracked by Wall St. Rank hold ZLAB as of Q2 2026.

  • Marshall Wace held 147,217 shares of Zai Lab worth $2.8M as of Q2 2026.
  • Zai Lab was a new Marshall Wace position in Q2 2026.
  • Zai Lab made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1660 holding.
  • Marshall Wace first reported a position in Zai Lab in Q3 2018 and has held it in 21 quarters since.
  • Marshall Wace's Zai Lab position peaked at $27.7M in Q4 2021.
  • 93 funds tracked by Wall St. Rank held Zai Lab as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.