ADAR1 Capital Management’s Zai Lab ZLAB Stock Holding History

ADAR1 Capital Management’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	$26.8M	Buy	1,425,367 +178,847	+14%	+$3.31M	1.58%	12
2025 Q4	$22M	Buy	1,246,520 +377,740	+43%	+$8.84M	1.61%	11
2025 Q3	$29.4M	Buy	868,780 +18,343	+2%	+$632K	2.77%	10
2025 Q2	$29.7M	Sell	850,437 -90,421	-10%	-$2.97M	4.56%	4
2025 Q1	$34M	Sell	940,858 -104,979	-10%	-$3.23M	6.31%	4
2024 Q4	$27.4M	Buy	1,045,837 +513,383	+96%	+$14.3M	5.47%	4
2024 Q3	$12.9M	Buy	532,454 +510,454	+2,320%	+$9.65M	2.09%	11
2024 Q2	$381K	Hold	22,000	–	–	0.07%	115
2024 Q1	$352K	Buy	22,000 +2,000	+10%	+$42.1K	0.08%	95
2023 Q4	$547K	Buy	+20,000	New	+$528K	0.2%	57

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

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

CWG

C WorldWide Group Copenhagen, Denmark $4.66B AUM 11.67% 1-Year Est. Return

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

ADAR1 Capital Management's ZLAB Position: Q1 2026 in Review

ADAR1 Capital Management increased its Zai Lab (ZLAB) stake by 14% in Q1 2026, buying an estimated $3.31M and bringing the position to 1,425,367 shares worth $26.8M. The position accounts for 1.58% of the portfolio, ranked #12.

ADAR1 Capital Management first reported a position in ZLAB in Q4 2023 and has held it in 10 quarters since. The position peaked at $34M in Q1 2025. 99 funds tracked by Wall St. Rank hold ZLAB as of Q1 2026.

ADAR1 Capital Management held 1,425,367 shares of Zai Lab worth $26.8M as of Q1 2026.
ADAR1 Capital Management bought 178,847 Zai Lab shares in Q1 2026, an estimated $3.31M.
Zai Lab made up 1.58% of ADAR1 Capital Management's portfolio in Q1 2026, its #12 holding.
ADAR1 Capital Management first reported a position in Zai Lab in Q4 2023 and has held it in 10 quarters since.
ADAR1 Capital Management's Zai Lab position peaked at $34M in Q1 2025.
99 funds tracked by Wall St. Rank held Zai Lab as of Q1 2026.

Based on ADAR1 Capital Management's 13F filing for Q1 2026, filed 18 May 2026.