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
2025
Q4 		– Sell
-11,700
Closed -$397K – 9325
2025
Q3 		$397K Buy
11,700
+7,100
+154% +$244K ﹤0.01% 3922
2025
Q2 		$161K Sell
4,600
-5,600
-55% -$184K ﹤0.01% 4547
2025
Q1 		$369K Buy
10,200
+3,100
+44% +$95.4K ﹤0.01% 3400
2024
Q4 		$186K Buy
7,100
+5,000
+238% +$139K ﹤0.01% 3990
2024
Q3 		$50.7K Hold
2,100
– – ﹤0.01% 4645
2024
Q2 		$36.4K Buy
+2,100
New +$36.9K ﹤0.01% 4771
2024
Q1 		– Sell
-1,800
Closed -$49.2K – 8098
2023
Q4 		$49.2K Sell
1,800
-15,400
-90% -$406K ﹤0.01% 5073
2023
Q3 		$418K Buy
17,200
+15,400
+856% +$410K ﹤0.01% 3089
2023
Q2 		$49.9K Buy
1,800
+700
+64% +$22.9K ﹤0.01% 5279
2023
Q1 		$36.6K Buy
1,100
+200
+22% +$7.67K ﹤0.01% 5081
2022
Q4 		$27.6K Sell
900
-11,300
-93% -$356K ﹤0.01% 5404
2022
Q3 		$417K Buy
12,200
+5,800
+91% +$248K ﹤0.01% 3411
2022
Q2 		$222K Buy
6,400
+3,800
+146% +$134K ﹤0.01% 4197
2022
Q1 		$114K Sell
2,600
-12,600
-83% -$609K ﹤0.01% 5366
2021
Q4 		$955K Buy
15,200
+900
+6% +$76.3K ﹤0.01% 3405
2021
Q3 		$1.51M Buy
+14,300
New +$2.05M ﹤0.01% 2957
2021
Q2 		– Sell
-3,700
Closed -$494K – 8641
2021
Q1 		$494K Buy
3,700
+900
+32% +$139K ﹤0.01% 4049
2020
Q4 		$379K Buy
+2,800
New +$285K ﹤0.01% 3522
2020
Q3 		– Sell
-4,400
Closed -$361K – 6611
2020
Q2 		$361K Sell
4,400
-2,400
-35% -$162K ﹤0.01% 2886
2020
Q1 		$350K Buy
+6,800
New +$354K ﹤0.01% 2312

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 $5.72T AUM 30.48% 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 $4.66B AUM 11.67% 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.