Jasper Ridge Partners’s Zai Lab ZLAB Stock Holding History

Jasper Ridge Partners’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	-8,024	Closed	-$272K	–	149
2025 Q3	$272K	Hold	8,024	–	–	0.01%	123
2025 Q2	$281K	Hold	8,024	–	–	0.01%	123
2025 Q1	$290K	Hold	8,024	–	–	0.01%	118
2024 Q4	$210K	Buy	+8,024	New	+$223K	0.01%	129
2024 Q1	–	Sell	-8,024	Closed	-$219K	–	155
2023 Q4	$219K	Buy	+8,024	New	+$212K	0.01%	129
2023 Q3	–	Sell	-8,024	Closed	-$223K	–	147
2023 Q2	$223K	Hold	8,024	–	–	0.01%	124
2023 Q1	$267K	Hold	8,024	–	–	0.01%	120
2022 Q4	$246K	Hold	8,024	–	–	0.01%	117
2022 Q3	$274K	Hold	8,024	–	–	0.02%	120
2022 Q2	$278K	Hold	8,024	–	–	0.02%	118
2022 Q1	$353K	Hold	8,024	–	–	0.02%	122
2021 Q4	$504K	Hold	8,024	–	–	0.02%	114
2021 Q3	$846K	Hold	8,024	–	–	0.04%	107
2021 Q2	$1.42M	Hold	8,024	–	–	0.07%	85
2021 Q1	$1.07M	Hold	8,024	–	–	0.05%	83
2020 Q4	$1.09M	Hold	8,024	–	–	0.05%	80
2020 Q3	$667K	Hold	8,024	–	–	0.04%	85
2020 Q2	$659K	Hold	8,024	–	–	0.05%	78
2020 Q1	$413K	Hold	8,024	–	–	0.03%	78
2019 Q4	$334K	Hold	8,024	–	–	0.02%	87
2019 Q3	$260K	Hold	8,024	–	–	0.01%	81
2019 Q2	$280K	Hold	8,024	–	–	0.01%	86
2019 Q1	$237K	Buy	+8,024	New	+$220K	0.01%	80

Other funds holding ZLAB

RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

FLSM

Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return

RSCM

Rock Springs Capital Management Baltimore, Maryland $2.05B AUM 161.37% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Jasper Ridge Partners's ZLAB Position: Q4 2025 in Review

Jasper Ridge Partners sold out of Zai Lab (ZLAB) in Q4 2025, closing a stake of 8,024 shares — an estimated $272K sold.

Jasper Ridge Partners first reported a position in ZLAB in Q1 2019 and held it in 23 quarters. The position peaked at $1.42M in Q2 2021. 126 funds tracked by Wall St. Rank hold ZLAB as of Q4 2025.

Jasper Ridge Partners reported no remaining Zai Lab position as of Q4 2025 after selling out during the quarter.
Jasper Ridge Partners sold 8,024 Zai Lab shares in Q4 2025, an estimated $272K.
Jasper Ridge Partners first reported a position in Zai Lab in Q1 2019 and held it in 23 quarters.
Jasper Ridge Partners's Zai Lab position peaked at $1.42M in Q2 2021.
126 funds tracked by Wall St. Rank held Zai Lab as of Q4 2025.

Based on Jasper Ridge Partners's 13F filing for Q4 2025, filed 12 Feb 2026.