ClearBridge Investments
ZLAB icon

ClearBridge Investments’s Zai Lab ZLAB Stock Holding History

ClearBridge Investments’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 		– Sell
-1,808,035
Closed -$31.9M – 740
2025
Q4 		$31.9M Sell
1,808,035
-1,711,302
-49% -$40.1M 0.03% 386
2025
Q3 		$119M Sell
3,519,337
-492,619
-12% -$17M 0.09% 210
2025
Q2 		$140M Buy
4,011,956
+732,389
+22% +$24.1M 0.11% 180
2025
Q1 		$119M Buy
3,279,567
+1,416,725
+76% +$43.6M 0.1% 199
2024
Q4 		$48.8M Buy
1,862,842
+989,664
+113% +$27.5M 0.04% 324
2024
Q3 		$21.1M Buy
873,178
+80,363
+10% +$1.52M 0.02% 442
2024
Q2 		$13.7M Sell
792,815
-19,764
-2% -$348K 0.01% 500
2024
Q1 		$13M Sell
812,579
-10,821
-1% -$228K 0.01% 521
2023
Q4 		$22.5M Buy
823,400
+512
+0.1% +$13.5K 0.02% 451
2023
Q3 		$20M Buy
822,888
+11,574
+1% +$308K 0.02% 422
2023
Q2 		$22.5M Buy
811,314
+15,101
+2% +$494K 0.02% 424
2023
Q1 		$26.5M Buy
796,213
+102,142
+15% +$3.92M 0.03% 401
2022
Q4 		$21.3M Buy
694,071
+143,256
+26% +$4.52M 0.02% 427
2022
Q3 		$18.8M Buy
550,815
+97,260
+21% +$4.16M 0.02% 429
2022
Q2 		$15.7M Buy
453,555
+7,979
+2% +$281K 0.01% 472
2022
Q1 		$19.6M Buy
445,576
+29,366
+7% +$1.42M 0.01% 470
2021
Q4 		$26.2M Buy
416,210
+151,726
+57% +$12.9M 0.02% 441
2021
Q3 		$27.9M Sell
264,484
-118,094
-31% -$17M 0.02% 441
2021
Q2 		$67.7M Buy
382,578
+189,192
+98% +$30.4M 0.05% 312
2021
Q1 		$25.8M Sell
193,386
-184,727
-49% -$28.6M 0.02% 447
2020
Q4 		$51.2M Sell
378,113
-31,788
-8% -$3.24M 0.04% 328
2020
Q3 		$34.1M Buy
409,901
+6,696
+2% +$538K 0.03% 337
2020
Q2 		$33.1M Buy
403,205
+33,699
+9% +$2.28M 0.03% 342
2020
Q1 		$19M Buy
369,506
+63,651
+21% +$3.32M 0.02% 373
2019
Q4 		$13M Buy
305,855
+86,494
+39% +$3.19M 0.01% 516
2019
Q3 		$7.1M Buy
219,361
+11,808
+6% +$405K 0.01% 566
2019
Q2 		$7.24M Buy
207,553
+114,740
+124% +$3.38M 0.01% 548
2019
Q1 		$2.74M Buy
92,813
+22,447
+32% +$614K ﹤0.01% 612
2018
Q4 		$1.63M Buy
70,366
+14,969
+27% +$278K ﹤0.01% 660
2018
Q3 		$1.08M Buy
55,397
+49,000
+766% +$1.06M ﹤0.01% 717
2018
Q2 		$149K Buy
6,397
+4,810
+303% +$104K ﹤0.01% 752
2018
Q1 		$34K Buy
+1,587
New +$36K ﹤0.01% 900

Other funds holding ZLAB

RI
RTW Investments New York $11.7B AUM 174.13% 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 $4.59B AUM 237.58% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 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 $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 $2.05B AUM 161.37% 1-Year Est. Return
CWG
C WorldWide Group Copenhagen, Denmark $4.15B AUM 13.14% 1-Year Est. Return

ClearBridge Investments's ZLAB Position: Q1 2026 in Review

ClearBridge Investments sold out of Zai Lab (ZLAB) in Q1 2026, closing a stake of 1,808,035 shares — an estimated $31.9M sold.

ClearBridge Investments first reported a position in ZLAB in Q1 2018 and held it in 32 quarters. The position peaked at $140M in Q2 2025. 99 funds tracked by Wall St. Rank hold ZLAB as of Q1 2026.

  • ClearBridge Investments reported no remaining Zai Lab position as of Q1 2026 after selling out during the quarter.
  • ClearBridge Investments sold 1,808,035 Zai Lab shares in Q1 2026, an estimated $31.9M.
  • ClearBridge Investments first reported a position in Zai Lab in Q1 2018 and held it in 32 quarters.
  • ClearBridge Investments's Zai Lab position peaked at $140M in Q2 2025.
  • 99 funds tracked by Wall St. Rank held Zai Lab as of Q1 2026.

Based on ClearBridge Investments's 13F filing for Q1 2026, filed 13 May 2026.