Question 1

How many shares of XENE does BAKER BROS. ADVISORS LP own?

Accepted Answer

As of 2026-Q2, BAKER BROS. ADVISORS LP holds 370,208 shares of XENE (XENON PHARMACEUTICALS INC).

Question 2

What is BAKER BROS. ADVISORS LP's XENE position worth?

Accepted Answer

As of 2026-Q2, BAKER BROS. ADVISORS LP's XENE position is worth $22.3M.

Question 3

When did BAKER BROS. ADVISORS LP first buy XENE?

Accepted Answer

Based on available 13F filings, BAKER BROS. ADVISORS LP first reported a position in XENE in 2024-Q3. They have held the position across 25 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Unchanged	370,208	0.0%	$22.3M	0.1%	$60.36	0
2026-Q1	Unchanged	370,208	0.0%	$21.5M	0.1%	$43.79	0
2025-Q4	Unchanged	370,208	0.0%	$16.6M	0.1%	$44.12	0
2025-Q3	Unchanged	370,208	0.0%	$14.9M	0.1%	$39.06	0
2025-Q2	Increased	370,208	+6.6%	$11.6M	0.1%	$32.40	36
2025-Q1	Decreased	347,408	-65.0%	$11.7M	0.1%	$34.26	0
2024-Q4	Unchanged	993,679	0.0%	$39M	0.4%	$38.53	0
2024-Q3	Unchanged	993,679	0.0%	$39.1M	0.4%	$38.65	0