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BAKER BROS. ADVISORS LP

Position in XENE — Xenon Pharmaceuticals Inc.

CIK 1263508 NEW YORK, NY

Position in XENE

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$21,527,595
+$4,934,873 QoQ
Shares Held
370,208
0.0% QoQ
Ownership
0.383%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
24 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in XENE Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

BAKER BROS. ADVISORS LP holds $16,600,149,582 across 76 Biotechnology names. XENE ranks #46 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in XENE

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24 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $21,527,595 370,208
2025-12-31 $16,592,722 370,208
2025-09-30 $14,863,851 370,208
2025-06-30 $11,587,510 370,208
2025-03-31 $11,655,538 347,408
2024-12-31 $38,952,216 993,679
2024-09-30 $39,121,142 993,679
2024-06-30 $38,743,544 993,679
2024-03-31 $42,777,880 993,679
2023-12-31 $45,768,854 993,679
2023-09-30 $25,675,988 751,639
2023-06-30 $28,938,101 751,639
2023-03-31 $26,901,159 751,639
2022-12-31 $29,637,125 751,639
2022-09-30 $27,134,167 751,639
2022-06-30 $22,864,858 751,639
2022-03-31 $22,977,604 751,639
2021-12-31 $23,481,202 751,639
2021-09-30 $11,485,043 751,639
2021-06-30 $13,995,518 751,639
2021-03-31 $13,454,338 751,639
2020-12-31 $10,571,996 687,386
2020-09-30 $8,416,609 760,308
2020-06-30 $10,020,739 799,102