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 		– Sell
-15,300
Closed -$270K – 14426
2025
Q4 		$270K Sell
15,300
-8,600
-36% -$201K ﹤0.01% 10384
2025
Q3 		$810K Sell
23,900
-3,700
-13% -$127K ﹤0.01% 8003
2025
Q2 		$965K Buy
27,600
+7,400
+37% +$243K ﹤0.01% 7183
2025
Q1 		$730K Buy
20,200
+6,900
+52% +$212K ﹤0.01% 7654
2024
Q4 		$348K Sell
13,300
-4,000
-23% -$111K ﹤0.01% 9349
2024
Q3 		$418K Buy
17,300
+9,300
+116% +$176K ﹤0.01% 8647
2024
Q2 		$139K Sell
8,000
-10,200
-56% -$179K ﹤0.01% 10462
2024
Q1 		$292K Buy
18,200
+7,400
+69% +$156K ﹤0.01% 9500
2023
Q4 		$295K Buy
10,800
+1,200
+13% +$31.7K ﹤0.01% 9191
2023
Q3 		$233K Buy
9,600
+1,700
+22% +$45.3K ﹤0.01% 9628
2023
Q2 		$219K Sell
7,900
-11,800
-60% -$386K ﹤0.01% 9690
2023
Q1 		$655K Sell
19,700
-113,900
-85% -$4.37M ﹤0.01% 7735
2022
Q4 		$4.1M Buy
133,600
+30,200
+29% +$953K ﹤0.01% 4201
2022
Q3 		$3.54M Buy
103,400
+78,400
+314% +$3.35M ﹤0.01% 4484
2022
Q2 		$867K Buy
25,000
+3,500
+16% +$123K ﹤0.01% 7354
2022
Q1 		$946K Sell
21,500
-4,200
-16% -$203K ﹤0.01% 7833
2021
Q4 		$1.61M Buy
25,700
+13,200
+106% +$1.12M ﹤0.01% 6720
2021
Q3 		$1.32M Buy
12,500
+4,400
+54% +$632K ﹤0.01% 7425
2021
Q2 		$1.43M Sell
8,100
-600
-7% -$96.5K ﹤0.01% 7422
2021
Q1 		$1.16M Buy
8,700
+1,200
+16% +$186K ﹤0.01% 7736
2020
Q4 		$1.01M Buy
7,500
+1,200
+19% +$122K ﹤0.01% 6767
2020
Q3 		$524K Sell
6,300
-4,200
-40% -$337K ﹤0.01% 7217
2020
Q2 		$862K Buy
10,500
+700
+7% +$47.4K ﹤0.01% 6098
2020
Q1 		$505K Buy
+9,800
New +$511K ﹤0.01% 6454

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

Citadel Advisors's ZLAB Position: Q2 2026 in Review

Citadel Advisors reduced its Zai Lab (ZLAB) stake by 24% in Q2 2026, selling an estimated $7.98M and leaving 1,284,706 shares worth $24.4M. The position accounts for ﹤0.01% of the portfolio, ranked #2318.

Citadel Advisors first reported a position in ZLAB in Q3 2018 and has held it in 28 quarters since. The position peaked at $33.5M in Q3 2025. 92 funds tracked by Wall St. Rank hold ZLAB as of Q2 2026.

  • Citadel Advisors held 1,284,706 shares of Zai Lab worth $24.4M as of Q2 2026.
  • Citadel Advisors sold 403,926 Zai Lab shares in Q2 2026, an estimated $7.98M.
  • Zai Lab made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #2318 holding.
  • Citadel Advisors first reported a position in Zai Lab in Q3 2018 and has held it in 28 quarters since.
  • Citadel Advisors's Zai Lab position peaked at $33.5M in Q3 2025.
  • 92 funds tracked by Wall St. Rank held Zai Lab as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.