Group One Trading
ZLAB icon

Group One Trading’s Zai Lab ZLAB Stock Holding History

Group One Trading’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
Q1 		$145K Sell
7,718
-11,314
-59% -$210K ﹤0.01% 4388
2025
Q4 		$336K Buy
+19,032
New +$446K ﹤0.01% 3906
2025
Q2 		– Sell
-557
Closed -$18.3K – 8769
2025
Q1 		$20.1K Sell
557
-4,473
-89% -$138K ﹤0.01% 5807
2024
Q4 		$132K Buy
5,030
+946
+23% +$26.3K ﹤0.01% 4286
2024
Q3 		$98.6K Buy
4,084
+1,147
+39% +$21.7K ﹤0.01% 4192
2024
Q2 		$50.9K Buy
+2,937
New +$51.6K ﹤0.01% 4516
2023
Q4 		– Sell
-9,702
Closed -$256K – 8313
2023
Q3 		$236K Buy
9,702
+2,313
+31% +$61.6K ﹤0.01% 3660
2023
Q2 		$205K Buy
7,389
+2,945
+66% +$96.3K ﹤0.01% 3904
2023
Q1 		$148K Sell
4,444
-21,319
-83% -$818K ﹤0.01% 3942
2022
Q4 		$791K Buy
25,763
+24,606
+2,127% +$776K ﹤0.01% 2625
2022
Q3 		$40K Sell
1,157
-2,200
-66% -$94.1K ﹤0.01% 5580
2022
Q2 		$116K Sell
3,357
-11,784
-78% -$415K ﹤0.01% 4845
2022
Q1 		$666K Sell
15,141
-64,421
-81% -$3.11M ﹤0.01% 3508
2021
Q4 		$5M Buy
79,562
+69,681
+705% +$5.91M ﹤0.01% 1697
2021
Q3 		$1.04M Buy
+9,881
New +$1.42M ﹤0.01% 3371
2021
Q2 		– Sell
-416
Closed -$66.9K – 8642
2021
Q1 		$56K Buy
+416
New +$64.4K ﹤0.01% 6144

Other funds holding ZLAB

RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
FLSM
Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $1.7B AUM 93.03% 1-Year Est. Return
CWG
C WorldWide Group Copenhagen, Denmark $4.15B AUM 13.14% 1-Year Est. Return

Group One Trading's ZLAB Position: Q1 2026 in Review

Group One Trading reduced its Zai Lab (ZLAB) stake by 59% in Q1 2026, selling an estimated $210K and leaving 7,718 shares worth $145K. The position accounts for ﹤0.01% of the portfolio, ranked #4388.

Group One Trading first reported a position in ZLAB in Q1 2021 and has held it in 16 quarters since. The position peaked at $5M in Q4 2021. 99 funds tracked by Wall St. Rank hold ZLAB as of Q1 2026.

  • Group One Trading held 7,718 shares of Zai Lab worth $145K as of Q1 2026.
  • Group One Trading sold 11,314 Zai Lab shares in Q1 2026, an estimated $210K.
  • Zai Lab made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #4388 holding.
  • Group One Trading first reported a position in Zai Lab in Q1 2021 and has held it in 16 quarters since.
  • Group One Trading's Zai Lab position peaked at $5M in Q4 2021.
  • 99 funds tracked by Wall St. Rank held Zai Lab as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.