Wellington Management Group
ZLAB icon

Wellington Management Group’s Zai Lab ZLAB Stock Holding History

Wellington Management Group’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
-752,858
Closed -$13.3M – 2026
2025
Q4 		$13.3M Sell
752,858
-965,597
-56% -$22.6M ﹤0.01% 1169
2025
Q3 		$58.2M Buy
1,718,455
+341,492
+25% +$11.8M 0.01% 685
2025
Q2 		$48.2M Sell
1,376,963
-2,270,262
-62% -$74.6M 0.01% 700
2025
Q1 		$132M Sell
3,647,225
-3,010,510
-45% -$92.6M 0.03% 449
2024
Q4 		$174M Sell
6,657,735
-1,778,871
-21% -$49.4M 0.03% 397
2024
Q3 		$204M Buy
8,436,606
+1,312,115
+18% +$24.8M 0.04% 385
2024
Q2 		$123M Buy
7,124,491
+466,842
+7% +$8.21M 0.02% 494
2024
Q1 		$107M Buy
6,657,649
+1,321,192
+25% +$27.8M 0.02% 548
2023
Q4 		$146M Buy
5,336,457
+3,413,829
+178% +$90.1M 0.03% 470
2023
Q3 		$46.7M Sell
1,922,628
-152,724
-7% -$4.07M 0.01% 709
2023
Q2 		$57.5M Buy
2,075,352
+760,307
+58% +$24.9M 0.01% 674
2023
Q1 		$43.7M Buy
1,315,045
+35,678
+3% +$1.37M 0.01% 724
2022
Q4 		$39.3M Buy
1,279,367
+9,648
+0.8% +$304K 0.01% 742
2022
Q3 		$43.4M Buy
1,269,719
+163,803
+15% +$7.01M 0.01% 707
2022
Q2 		$38.4M Sell
1,105,916
-15,038
-1% -$530K 0.01% 749
2022
Q1 		$49.3M Sell
1,120,954
-2,427,161
-68% -$117M 0.01% 757
2021
Q4 		$223M Sell
3,548,115
-57,175
-2% -$4.85M 0.04% 412
2021
Q3 		$380M Buy
3,605,290
+145,394
+4% +$20.9M 0.06% 277
2021
Q2 		$612M Buy
3,459,896
+1,361,844
+65% +$219M 0.1% 207
2021
Q1 		$280M Sell
2,098,052
-216,968
-9% -$33.6M 0.05% 352
2020
Q4 		$313M Sell
2,315,020
-55,287
-2% -$5.63M 0.06% 306
2020
Q3 		$197M Sell
2,370,307
-220,541
-9% -$17.7M 0.04% 364
2020
Q2 		$213M Sell
2,590,848
-158,729
-6% -$10.7M 0.05% 339
2020
Q1 		$142M Sell
2,749,577
-90,270
-3% -$4.71M 0.04% 386
2019
Q4 		$118M Sell
2,839,847
-434,232
-13% -$16M 0.02% 529
2019
Q3 		$106M Sell
3,274,079
-15,824
-0.5% -$543K 0.02% 528
2019
Q2 		$115M Buy
+3,289,903
New +$96.9M 0.03% 527
2018
Q3 		– Sell
-17,010
Closed -$395K – 2324
2018
Q2 		$395K Buy
+17,010
New +$367K ﹤0.01% 2099
2017
Q4 		– Sell
-13,324
Closed -$360K – 2314
2017
Q3 		$360K Buy
+13,324
New +$372K ﹤0.01% 2099

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 $6.73T AUM 46.02% 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 $4.15B AUM 13.14% 1-Year Est. Return

Wellington Management Group's ZLAB Position: Q1 2026 in Review

Wellington Management Group sold out of Zai Lab (ZLAB) in Q1 2026, closing a stake of 752,858 shares — an estimated $13.3M sold.

Wellington Management Group first reported a position in ZLAB in Q3 2017 and held it in 29 quarters. The position peaked at $612M in Q2 2021. 99 funds tracked by Wall St. Rank hold ZLAB as of Q1 2026.

  • Wellington Management Group reported no remaining Zai Lab position as of Q1 2026 after selling out during the quarter.
  • Wellington Management Group sold 752,858 Zai Lab shares in Q1 2026, an estimated $13.3M.
  • Wellington Management Group first reported a position in Zai Lab in Q3 2017 and held it in 29 quarters.
  • Wellington Management Group's Zai Lab position peaked at $612M in Q2 2021.
  • 99 funds tracked by Wall St. Rank held Zai Lab as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.