GTS Securities’s Zai Lab ZLAB Stock Holding History

GTS Securities’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
2025 Q4	–	Sell	-19,465	Closed	-$660K	–	1849
2025 Q3	$660K	Buy	+19,465	New	+$670K	0.03%	593
2025 Q2	–	Sell	-10,880	Closed	-$393K	–	1658
2025 Q1	$393K	Buy	+10,880	New	+$335K	0.02%	812

Other funds holding ZLAB

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

FLSM

Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

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

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

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 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

RSCM

Rock Springs Capital Management Baltimore, Maryland $1.7B AUM 93.03% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

GTS Securities's ZLAB Position: Q4 2025 in Review

GTS Securities sold out of Zai Lab (ZLAB) in Q4 2025, closing a stake of 19,465 shares — an estimated $660K sold.

GTS Securities first reported a position in ZLAB in Q1 2025 and held it in 2 quarters. The position peaked at $660K in Q3 2025. 126 funds tracked by Wall St. Rank hold ZLAB as of Q4 2025.

GTS Securities reported no remaining Zai Lab position as of Q4 2025 after selling out during the quarter.
GTS Securities sold 19,465 Zai Lab shares in Q4 2025, an estimated $660K.
GTS Securities first reported a position in Zai Lab in Q1 2025 and held it in 2 quarters.
GTS Securities's Zai Lab position peaked at $660K in Q3 2025.
126 funds tracked by Wall St. Rank held Zai Lab as of Q4 2025.

Based on GTS Securities's 13F filing for Q4 2025, filed 13 Feb 2026.