Citadel Advisors
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Citadel Advisors’s Zai Lab ZLAB Stock Holding History

Citadel Advisors’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 		$624K Sell
33,200
-13,200
-28% -$245K ﹤0.01% 8753
2025
Q4 		$818K Buy
46,400
+14,600
+46% +$342K ﹤0.01% 7854
2025
Q3 		$1.08M Buy
31,800
+4,900
+18% +$169K ﹤0.01% 7380
2025
Q2 		$941K Sell
26,900
-12,900
-32% -$424K ﹤0.01% 7240
2025
Q1 		$1.44M Sell
39,800
-29,000
-42% -$892K ﹤0.01% 6172
2024
Q4 		$1.8M Sell
68,800
-3,500
-5% -$97.2K ﹤0.01% 5847
2024
Q3 		$1.75M Sell
72,300
-11,500
-14% -$217K ﹤0.01% 5796
2024
Q2 		$1.45M Buy
83,800
+53,400
+176% +$939K ﹤0.01% 5889
2024
Q1 		$487K Buy
30,400
+7,900
+35% +$166K ﹤0.01% 8463
2023
Q4 		$615K Buy
22,500
+4,300
+24% +$113K ﹤0.01% 7654
2023
Q3 		$442K Buy
18,200
+4,500
+33% +$120K ﹤0.01% 8320
2023
Q2 		$380K Buy
13,700
+5,100
+59% +$167K ﹤0.01% 8522
2023
Q1 		$286K Buy
8,600
+500
+6% +$19.2K ﹤0.01% 9475
2022
Q4 		$249K Sell
8,100
-900
-10% -$28.4K ﹤0.01% 9704
2022
Q3 		$308K Buy
9,000
+600
+7% +$25.7K ﹤0.01% 9517
2022
Q2 		$291K Sell
8,400
-8,000
-49% -$282K ﹤0.01% 9879
2022
Q1 		$721K Sell
16,400
-4,200
-20% -$203K ﹤0.01% 8498
2021
Q4 		$1.29M Sell
20,600
-14,100
-41% -$1.2M ﹤0.01% 7267
2021
Q3 		$3.66M Buy
34,700
+20,300
+141% +$2.91M ﹤0.01% 4931
2021
Q2 		$2.55M Buy
14,400
+5,600
+64% +$901K ﹤0.01% 5984
2021
Q1 		$1.17M Buy
8,800
+3,000
+52% +$464K ﹤0.01% 7700
2020
Q4 		$785K Sell
5,800
-1,200
-17% -$122K ﹤0.01% 7292
2020
Q3 		$582K Sell
7,000
-1,700
-20% -$136K ﹤0.01% 7022
2020
Q2 		$715K Sell
8,700
-400
-4% -$27.1K ﹤0.01% 6439
2020
Q1 		$468K Buy
+9,100
New +$474K ﹤0.01% 6559

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
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
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Citadel Advisors's ZLAB Position: Q1 2026 in Review

Citadel Advisors increased its Zai Lab (ZLAB) stake by 0.05% in Q1 2026, buying an estimated $14.6K and bringing the position to 1,688,632 shares worth $31.8M. The position accounts for 0.01% of the portfolio, ranked #1801.

Citadel Advisors first reported a position in ZLAB in Q3 2018 and has held it in 27 quarters since. The position peaked at $33.5M in Q3 2025. 99 funds tracked by Wall St. Rank hold ZLAB as of Q1 2026.

  • Citadel Advisors held 1,688,632 shares of Zai Lab worth $31.8M as of Q1 2026.
  • Citadel Advisors bought 786 Zai Lab shares in Q1 2026, an estimated $14.6K.
  • Zai Lab made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1801 holding.
  • Citadel Advisors first reported a position in Zai Lab in Q3 2018 and has held it in 27 quarters since.
  • Citadel Advisors's Zai Lab position peaked at $33.5M in Q3 2025.
  • 99 funds tracked by Wall St. Rank held Zai Lab as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.