AllianceBernstein
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AllianceBernstein’s Zai Lab ZLAB Stock Holding History

AllianceBernstein’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
-16,514
Closed -$560K – 3317
2025
Q3 		$560K Sell
16,514
-68,733
-81% -$2.37M ﹤0.01% 2622
2025
Q2 		$2.98M Sell
85,247
-80,816
-49% -$2.66M ﹤0.01% 1734
2025
Q1 		$6M Buy
+166,063
New +$5.11M ﹤0.01% 1380
2024
Q4 		– Sell
-156,795
Closed -$3.79M – 3252
2024
Q3 		$3.79M Sell
156,795
-26,712
-15% -$505K ﹤0.01% 1642
2024
Q2 		$3.18M Buy
183,507
+38,702
+27% +$680K ﹤0.01% 1696
2024
Q1 		$2.32M Buy
144,805
+70,900
+96% +$1.49M ﹤0.01% 1836
2023
Q4 		$2.02M Buy
73,905
+56,684
+329% +$1.5M ﹤0.01% 1934
2023
Q3 		$419K Buy
17,221
+3,962
+30% +$106K ﹤0.01% 2659
2023
Q2 		$368K Buy
+13,259
New +$434K ﹤0.01% 2778
2021
Q2 		– Sell
-20,989
Closed -$2.8M – 3425
2021
Q1 		$2.8M Buy
20,989
+5,919
+39% +$916K ﹤0.01% 1887
2020
Q4 		$2.04M Sell
15,070
-11,898
-44% -$1.21M ﹤0.01% 1970
2020
Q3 		$2.24M Buy
26,968
+2,009
+8% +$161K ﹤0.01% 1790
2020
Q2 		$2.05M Sell
24,959
-7,306
-23% -$494K ﹤0.01% 1833
2020
Q1 		$1.66M Buy
32,265
+18,615
+136% +$970K ﹤0.01% 1774
2019
Q4 		$568K Buy
+13,650
New +$504K ﹤0.01% 2494

Other funds holding ZLAB

RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $2.05B AUM 161.37% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

AllianceBernstein's ZLAB Position: Q4 2025 in Review

AllianceBernstein sold out of Zai Lab (ZLAB) in Q4 2025, closing a stake of 16,514 shares — an estimated $560K sold.

AllianceBernstein first reported a position in ZLAB in Q4 2019 and held it in 15 quarters. The position peaked at $6M in Q1 2025. 126 funds tracked by Wall St. Rank hold ZLAB as of Q4 2025.

  • AllianceBernstein reported no remaining Zai Lab position as of Q4 2025 after selling out during the quarter.
  • AllianceBernstein sold 16,514 Zai Lab shares in Q4 2025, an estimated $560K.
  • AllianceBernstein first reported a position in Zai Lab in Q4 2019 and held it in 15 quarters.
  • AllianceBernstein's Zai Lab position peaked at $6M in Q1 2025.
  • 126 funds tracked by Wall St. Rank held Zai Lab as of Q4 2025.

Based on AllianceBernstein's 13F filing for Q4 2025, filed 17 Feb 2026.