Citigroup’s Zai Lab ZLAB Stock Holding History

Citigroup’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
2023 Q2	–	Sell	-24,800	Closed	-$825K	–	5747
2023 Q1	$825K	Buy	+24,800	New	+$952K	﹤0.01%	2708

Other funds holding ZLAB

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 Miami, Florida $618B AUM 30.34% 1-Year Est. Return

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 Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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

Citigroup's ZLAB Position: Q1 2026 in Review

Citigroup reduced its Zai Lab (ZLAB) stake by 81% in Q1 2026, selling an estimated $77.7K and leaving 959 shares worth $18K. The position accounts for ﹤0.01% of the portfolio, ranked #4862.

Citigroup first reported a position in ZLAB in Q3 2018 and has held it in 30 quarters since. The position peaked at $17M in Q1 2023. 99 funds tracked by Wall St. Rank hold ZLAB as of Q1 2026.

Citigroup held 959 shares of Zai Lab worth $18K as of Q1 2026.
Citigroup sold 4,192 Zai Lab shares in Q1 2026, an estimated $77.7K.
Zai Lab made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #4862 holding.
Citigroup first reported a position in Zai Lab in Q3 2018 and has held it in 30 quarters since.
Citigroup's Zai Lab position peaked at $17M in Q1 2023.
99 funds tracked by Wall St. Rank held Zai Lab as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.