First Light Asset Management’s Xenon Pharmaceuticals XENE Stock Holding History

First Light Asset Management’s Portfolio XENE Stock Details XENE Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-188,367	Closed	-$5.9M	–	47
2025 Q2	$5.9M	Sell	188,367 -439,537	-70%	-$14.3M	0.76%	31
2025 Q1	$21.1M	Sell	627,904 -532,676	-46%	-$20.2M	2.41%	16
2024 Q4	$45.5M	Sell	1,160,580 -21,082	-2%	-$872K	4.35%	8
2024 Q3	$46.5M	Sell	1,181,662 -124,598	-10%	-$5.02M	3.87%	8
2024 Q2	$50.9M	Sell	1,306,260 -13,912	-1%	-$556K	4.46%	5
2024 Q1	$56.8M	Sell	1,320,172 -325,318	-20%	-$15M	4.35%	4
2023 Q4	$75.8M	Buy	1,645,490 +1,043,420	+173%	+$36.9M	6.1%	3
2023 Q3	$20.6M	Buy	602,070 +263,424	+78%	+$9.85M	1.95%	19
2023 Q2	$13M	Buy	338,646 +59,202	+21%	+$2.35M	1.02%	34
2023 Q1	$10M	Buy	+279,444	New	+$10.3M	0.9%	32

Other funds holding XENE

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

ACA

Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return

PCH

Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return

First Light Asset Management's XENE Position: Q3 2025 in Review

First Light Asset Management sold out of Xenon Pharmaceuticals (XENE) in Q3 2025, closing a stake of 188,367 shares — an estimated $5.9M sold.

First Light Asset Management first reported a position in XENE in Q1 2023 and held it in 10 quarters. The position peaked at $75.8M in Q4 2023. 219 funds tracked by Wall St. Rank hold XENE as of Q3 2025.

First Light Asset Management reported no remaining Xenon Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
First Light Asset Management sold 188,367 Xenon Pharmaceuticals shares in Q3 2025, an estimated $5.9M.
First Light Asset Management first reported a position in Xenon Pharmaceuticals in Q1 2023 and held it in 10 quarters.
First Light Asset Management's Xenon Pharmaceuticals position peaked at $75.8M in Q4 2023.
219 funds tracked by Wall St. Rank held Xenon Pharmaceuticals as of Q3 2025.

Based on First Light Asset Management's 13F filing for Q3 2025, filed 14 Nov 2025.