Superstring Capital Management’s Zai Lab ZLAB Stock Holding History

Superstring 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 Q2	$2.96M	Sell	155,813 -120,005	-44%	-$2.37M	1.87%	20
2026 Q1	$5.19M	Buy	275,818 +78,965	+40%	+$1.46M	3.71%	12
2025 Q4	$3.47M	Sell	196,853 -3,775	-2%	-$88.4K	1.86%	19
2025 Q3	$6.8M	Buy	200,628 +65,733	+49%	+$2.26M	6.7%	1
2025 Q2	$4.72M	Sell	134,895 -160,052	-54%	-$5.26M	5.59%	6
2025 Q1	$10.7M	Sell	294,947 -108,683	-27%	-$3.34M	12.68%	1
2024 Q4	$10.6M	Sell	403,630 -223,302	-36%	-$6.2M	9.15%	3
2024 Q3	$15.1M	Buy	626,932 +411,754	+191%	+$7.78M	13.25%	1
2024 Q2	$3.73M	Buy	+215,178	New	+$3.78M	4.7%	7

Other funds holding ZLAB

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

TCM

TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

ACM

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

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

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

FLSM

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

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

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Superstring Capital Management's ZLAB Position: Q2 2026 in Review

Superstring Capital Management reduced its Zai Lab (ZLAB) stake by 44% in Q2 2026, selling an estimated $2.37M and leaving 155,813 shares worth $2.96M. The position accounts for 1.87% of the portfolio, ranked #20.

Superstring Capital Management first reported a position in ZLAB in Q2 2024 and has held it in 9 quarters since. The position peaked at $15.1M in Q3 2024. 93 funds tracked by Wall St. Rank hold ZLAB as of Q2 2026.

Superstring Capital Management held 155,813 shares of Zai Lab worth $2.96M as of Q2 2026.
Superstring Capital Management sold 120,005 Zai Lab shares in Q2 2026, an estimated $2.37M.
Zai Lab made up 1.87% of Superstring Capital Management's portfolio in Q2 2026, its #20 holding.
Superstring Capital Management first reported a position in Zai Lab in Q2 2024 and has held it in 9 quarters since.
Superstring Capital Management's Zai Lab position peaked at $15.1M in Q3 2024.
93 funds tracked by Wall St. Rank held Zai Lab as of Q2 2026.

Based on Superstring Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.