Avidity Partners Management’s Xenon Pharmaceuticals XENE Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-53,400	Closed	-$2.14M	–	52
2025 Q3	$2.14M	Sell	53,400 -54,491	-51%	-$1.92M	0.49%	39
2025 Q2	$3.38M	Sell	107,891 -121,109	-53%	-$3.95M	0.68%	39
2025 Q1	$7.68M	Sell	229,000 -245,000	-52%	-$9.3M	1.58%	25
2024 Q4	$18.6M	Sell	474,000 -344,000	-42%	-$14.2M	1.85%	24
2024 Q3	$32.2M	Buy	818,000 +64,000	+8%	+$2.58M	1.64%	25
2024 Q2	$29.4M	Buy	754,000 +44,000	+6%	+$1.76M	1.25%	31
2024 Q1	$30.6M	Sell	710,000 -105,993	-13%	-$4.88M	1.09%	36
2023 Q4	$37.6M	Buy	815,993 +494,593	+154%	+$17.5M	1.44%	34
2023 Q3	$11M	Sell	321,400 -159,900	-33%	-$5.98M	0.44%	66
2023 Q2	$18.5M	Buy	+481,300	New	+$19.1M	0.65%	55
2022 Q3	–	Sell	-450,000	Closed	-$13.7M	–	108
2022 Q2	$13.7M	Buy	+450,000	New	+$13.6M	0.31%	46