Jane Street
ZLAB icon

Jane Street’s Zai Lab ZLAB Stock Holding History

Jane Street’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
-30,600
Closed -$1.04M – 12609
2025
Q3 		$1.04M Buy
30,600
+3,100
+11% +$107K ﹤0.01% 6242
2025
Q2 		$962K Buy
27,500
+5,300
+24% +$174K ﹤0.01% 5692
2025
Q1 		$802K Sell
22,200
-9,200
-29% -$283K ﹤0.01% 5985
2024
Q4 		$822K Sell
31,400
-5,500
-15% -$153K ﹤0.01% 5753
2024
Q3 		$891K Buy
36,900
+10,100
+38% +$191K ﹤0.01% 6113
2024
Q2 		$464K Buy
+26,800
New +$471K ﹤0.01% 7140
2023
Q2 		– Sell
-10,200
Closed -$339K – 9705
2023
Q1 		$339K Sell
10,200
-46,000
-82% -$1.76M ﹤0.01% 6979
2022
Q4 		$1.73M Buy
56,200
+23,800
+73% +$751K ﹤0.01% 4081
2022
Q3 		$1.11M Buy
+32,400
New +$1.39M ﹤0.01% 5230
2022
Q2 		– Sell
-8,500
Closed -$374K – 11109
2022
Q1 		$374K Sell
8,500
-6,100
-42% -$295K ﹤0.01% 8017
2021
Q4 		$918K Sell
14,600
-58,500
-80% -$4.96M ﹤0.01% 6069
2021
Q3 		$7.7M Sell
73,100
-42,200
-37% -$6.06M ﹤0.01% 2149
2021
Q2 		$20.4M Buy
115,300
+98,200
+574% +$15.8M 0.01% 1061
2021
Q1 		$2.28M Buy
17,100
+12,100
+242% +$1.87M ﹤0.01% 3758
2020
Q4 		$677K Sell
5,000
-14,500
-74% -$1.48M ﹤0.01% 5283
2020
Q3 		$1.62M Buy
+19,500
New +$1.57M ﹤0.01% 3355

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

Jane Street's ZLAB Position: Q2 2026 in Review

Jane Street increased its Zai Lab (ZLAB) stake by 78% in Q2 2026, buying an estimated $4.12M and bringing the position to 476,541 shares worth $9.05M. The position accounts for ﹤0.01% of the portfolio, ranked #2950.

Jane Street first reported a position in ZLAB in Q3 2018 and has held it in 22 quarters since. 92 funds tracked by Wall St. Rank hold ZLAB as of Q2 2026.

  • Jane Street held 476,541 shares of Zai Lab worth $9.05M as of Q2 2026.
  • Jane Street bought 208,615 Zai Lab shares in Q2 2026, an estimated $4.12M.
  • Zai Lab made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #2950 holding.
  • Jane Street first reported a position in Zai Lab in Q3 2018 and has held it in 22 quarters since.
  • 92 funds tracked by Wall St. Rank held Zai Lab as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.