Baker Bros. Advisors LP

SEC CIK: 0001263508
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

XENE holding history

Xenon Pharmaceuticals Inc. in every 13F filed by Baker Bros. Advisors LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

XENE overview All 13F holders of XENE Full Q2 2026 holdings

Shares (Q2 2026): 370,208
Value: $22.3M
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of XENE by Baker Bros. Advisors LP, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	370,208	$22.3M	0.1%	00.0%	Unchanged	Holders
Q1 2026	370,208	$21.5M	0.1%	00.0%	Unchanged	Holders
Q4 2025	370,208	$16.6M	0.1%	00.0%	Unchanged	Holders
Q3 2025	370,208	$14.9M	0.1%	00.0%	Unchanged	Holders
Q2 2025	370,208	$11.6M	0.1%	+22,800+6.6%	Added	Holders
Q1 2025	347,408	$11.7M	0.1%	−646,271−65.0%	Reduced	Holders
Q4 2024	993,679	$39.0M	0.4%	00.0%	Unchanged	Holders
Q3 2024	993,679	$39.1M	0.4%	00.0%	Unchanged	Holders
Q2 2024	993,679	$38.7M	0.5%	00.0%	Unchanged	Holders
Q1 2024	993,679	$42.8M	0.5%	00.0%	Unchanged	Holders
Q4 2023	993,679	$45.8M	0.5%	+242,040+32.2%	Added	Holders
Q3 2023	751,639	$25.7M	0.1%	00.0%	Unchanged	Holders
Q2 2023	751,639	$28.9M	0.2%	00.0%	Unchanged	Holders
Q1 2023	751,639	$26.9M	0.1%	00.0%	Unchanged	Holders
Q4 2022	751,639	$29.6M	0.2%	00.0%	Unchanged	Holders
Q3 2022	751,639	$27.1M	0.2%	00.0%	Unchanged	Holders
Q2 2022	751,639	$22.9M	0.1%	00.0%	Unchanged	Holders
Q1 2022	751,639	$23.0M	0.1%	00.0%	Unchanged	Holders
Q4 2021	751,639	$23.5M	0.1%	00.0%	Unchanged	Holders
Q3 2021	751,639	$11.5M	0.1%	00.0%	Unchanged	Holders
Q2 2021	751,639	$14.0M	0.1%	00.0%	Unchanged	Holders
Q1 2021	751,639	$13.5M	0.1%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.