XTX Topco’s Zai Lab ZLAB Stock Holding History

XTX Topco’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	$349K	Sell	18,349 -28,723	-61%	-$567K	﹤0.01%	2777
2026 Q1	$885K	Buy	+47,072	New	+$872K	0.02%	1516
2025 Q1	–	Sell	-13,487	Closed	-$353K	–	3216
2024 Q4	$353K	Sell	13,487 -18,131	-57%	-$503K	0.03%	1073
2024 Q3	$763K	Buy	31,618 +2,335	+8%	+$44.1K	0.06%	555
2024 Q2	$507K	Buy	29,283 +4,710	+19%	+$82.8K	0.04%	654
2024 Q1	$394K	Buy	24,573 +15,047	+158%	+$317K	0.05%	628
2023 Q4	$260K	Buy	+9,526	New	+$251K	0.06%	743
2023 Q3	–	Sell	-14,104	Closed	-$391K	–	2076
2023 Q2	$391K	Buy	+14,104	New	+$461K	0.07%	534
2021 Q4	–	Sell	-4,999	Closed	-$527K	–	1047
2021 Q3	$527K	Buy	+4,999	New	+$718K	0.18%	176

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

XTX Topco's ZLAB Position: Q2 2026 in Review

XTX Topco reduced its Zai Lab (ZLAB) stake by 61% in Q2 2026, selling an estimated $567K and leaving 18,349 shares worth $349K. The position accounts for ﹤0.01% of the portfolio, ranked #2777.

XTX Topco first reported a position in ZLAB in Q3 2021 and has held it in 9 quarters since. The position peaked at $885K in Q1 2026. 92 funds tracked by Wall St. Rank hold ZLAB as of Q2 2026.

XTX Topco held 18,349 shares of Zai Lab worth $349K as of Q2 2026.
XTX Topco sold 28,723 Zai Lab shares in Q2 2026, an estimated $567K.
Zai Lab made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #2777 holding.
XTX Topco first reported a position in Zai Lab in Q3 2021 and has held it in 9 quarters since.
XTX Topco's Zai Lab position peaked at $885K in Q1 2026.
92 funds tracked by Wall St. Rank held Zai Lab as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.