Keystone Investors’s Zai Lab ZLAB Stock Holding History

Keystone Investors’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 Q3	–	Sell	-55,210	Closed	-$1.93M	–	88
2025 Q2	$1.93M	Buy	+55,210	New	+$1.82M	0.4%	38

Other funds holding ZLAB

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

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

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

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

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

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

FLSM

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

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Keystone Investors's ZLAB Position: Q3 2025 in Review

Keystone Investors sold out of Zai Lab (ZLAB) in Q3 2025, closing a stake of 55,210 shares — an estimated $1.93M sold.

Keystone Investors first reported a position in ZLAB in Q2 2025 and held it in 1 quarter. The position peaked at $1.93M in Q2 2025. 138 funds tracked by Wall St. Rank hold ZLAB as of Q3 2025.

Keystone Investors reported no remaining Zai Lab position as of Q3 2025 after selling out during the quarter.
Keystone Investors sold 55,210 Zai Lab shares in Q3 2025, an estimated $1.93M.
Keystone Investors first reported a position in Zai Lab in Q2 2025 and held it in 1 quarter.
Keystone Investors's Zai Lab position peaked at $1.93M in Q2 2025.
138 funds tracked by Wall St. Rank held Zai Lab as of Q3 2025.

Based on Keystone Investors's 13F filing for Q3 2025, filed 12 Nov 2025.