C WorldWide Group’s Zai Lab ZLAB Stock Holding History

C WorldWide 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	$9.59M	Hold	510,000	–	–	0.21%	56
2025 Q4	$9M	Hold	510,000	–	–	0.16%	64
2025 Q3	$17.3M	Hold	510,000	–	–	0.27%	43
2025 Q2	$17.8M	Buy	510,000 +50,000	+11%	+$1.64M	0.24%	38
2025 Q1	$16.6M	Sell	460,000 -40,000	-8%	-$1.23M	0.21%	40
2024 Q4	$13.1M	Hold	500,000	–	–	0.16%	54
2024 Q3	$12.1M	Hold	500,000	–	–	0.13%	62
2024 Q2	$8.66M	Buy	+500,000	New	+$8.79M	0.09%	67

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

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

C WorldWide Group's ZLAB Position: Q1 2026 in Review

C WorldWide Group held its Zai Lab (ZLAB) position steady in Q1 2026 at 510,000 shares worth $9.59M. The position accounts for 0.21% of the portfolio, ranked #56.

C WorldWide Group first reported a position in ZLAB in Q2 2024 and has held it in 8 quarters since. The position peaked at $17.8M in Q2 2025. 99 funds tracked by Wall St. Rank hold ZLAB as of Q1 2026.

C WorldWide Group held 510,000 shares of Zai Lab worth $9.59M as of Q1 2026.
C WorldWide Group left its Zai Lab share count unchanged in Q1 2026.
Zai Lab made up 0.21% of C WorldWide Group's portfolio in Q1 2026, its #56 holding.
C WorldWide Group first reported a position in Zai Lab in Q2 2024 and has held it in 8 quarters since.
C WorldWide Group's Zai Lab position peaked at $17.8M in Q2 2025.
99 funds tracked by Wall St. Rank held Zai Lab as of Q1 2026.

Based on C WorldWide Group's 13F filing for Q1 2026, filed 6 May 2026.