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 		$487K Sell
25,900
-2,300
-8% -$42.6K ﹤0.01% 3369
2025
Q4 		$497K Buy
28,200
+21,900
+348% +$513K ﹤0.01% 3517
2025
Q3 		$214K Hold
6,300
– – ﹤0.01% 4609
2025
Q2 		$220K Buy
6,300
+100
+2% +$3.29K ﹤0.01% 4235
2025
Q1 		$224K Sell
6,200
-35,700
-85% -$1.1M ﹤0.01% 3909
2024
Q4 		$1.1M Sell
41,900
-600
-1% -$16.7K ﹤0.01% 2488
2024
Q3 		$1.03M Sell
42,500
-13,000
-23% -$246K ﹤0.01% 2265
2024
Q2 		$962K Buy
55,500
+54,500
+5,450% +$958K ﹤0.01% 2015
2024
Q1 		$16K Buy
1,000
+400
+67% +$8.43K ﹤0.01% 5588
2023
Q4 		$16.4K Sell
600
-39,200
-98% -$1.03M ﹤0.01% 5895
2023
Q3 		$968K Buy
39,800
+300
+0.8% +$7.99K ﹤0.01% 2302
2023
Q2 		$1.1M Buy
39,500
+19,600
+98% +$641K ﹤0.01% 2276
2023
Q1 		$662K Sell
19,900
-42,600
-68% -$1.63M ﹤0.01% 2497
2022
Q4 		$1.92M Buy
+62,500
New +$1.97M ﹤0.01% 1857
2022
Q3 		– Sell
-4,000
Closed -$139K – 8363
2022
Q2 		$139K Sell
4,000
-15,300
-79% -$539K ﹤0.01% 4670
2022
Q1 		$849K Sell
19,300
-122,600
-86% -$5.93M ﹤0.01% 3257
2021
Q4 		$8.92M Buy
141,900
+82,800
+140% +$7.02M 0.01% 1200
2021
Q3 		$6.23M Buy
59,100
+53,400
+937% +$7.67M 0.01% 1471
2021
Q2 		$1.01M Buy
5,700
+3,000
+111% +$483K ﹤0.01% 3408
2021
Q1 		$360K Buy
+2,700
New +$418K ﹤0.01% 4414
2020
Q4 		– Sell
-400
Closed -$33K – 7082
2020
Q3 		$33K Sell
400
-100
-20% -$8.03K ﹤0.01% 4893
2020
Q2 		$41K Sell
500
-6,300
-93% -$426K ﹤0.01% 4486
2020
Q1 		$350K Buy
+6,800
New +$354K ﹤0.01% 2313

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.