PEAK6’s Zai Lab ZLAB Stock Holding History

PEAK6’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	-6,000	Closed	-$203K	–	3442
2025 Q3	$203K	Sell	6,000 -1,500	-20%	-$51.6K	﹤0.01%	2459
2025 Q2	$262K	Hold	7,500	–	–	﹤0.01%	2362
2025 Q1	$271K	Buy	+7,500	New	+$231K	﹤0.01%	2320

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

PEAK6's ZLAB Position: Q4 2025 in Review

PEAK6 sold out of Zai Lab (ZLAB) in Q4 2025, closing a stake of 6,000 shares — an estimated $203K sold.

PEAK6 first reported a position in ZLAB in Q1 2025 and held it in 3 quarters. The position peaked at $271K in Q1 2025. 126 funds tracked by Wall St. Rank hold ZLAB as of Q4 2025.

PEAK6 reported no remaining Zai Lab position as of Q4 2025 after selling out during the quarter.
PEAK6 sold 6,000 Zai Lab shares in Q4 2025, an estimated $203K.
PEAK6 first reported a position in Zai Lab in Q1 2025 and held it in 3 quarters.
PEAK6's Zai Lab position peaked at $271K in Q1 2025.
126 funds tracked by Wall St. Rank held Zai Lab as of Q4 2025.

Based on PEAK6's 13F filing for Q4 2025, filed 13 Feb 2026.