SEC 13F Intelligence

Mpm Bioimpact LLC / XENE

Mpm Bioimpact LLC’s Xenon Pharmaceuticals Inc Position

Does Mpm Bioimpact LLC own Xenon Pharmaceuticals Inc (XENE)? Yes — 588.7K shares worth $34M (+2.64% of its 13F portfolio) as of Q1 2026, up from 485.6K shares the prior filed quarter.

Position Value
$34M
Q1 2026
Shares
588.7K
% of Portfolio
+2.64%
Quarters Held
7
currently held

Position History XENE

Reported value by quarter
Q3 ’24: $7MQ3 ’24Q4 ’24: $8MQ4 ’24Q1 ’25: $10MQ1 ’25Q2 ’25: $10MQ2 ’25Q3 ’25: $20MQ3 ’25Q4 ’25: $22MQ4 ’25Q1 ’26: $34MQ1 ’26filingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026588.7K$34M+2.64%
Q4 2025485.6K$22M+2.49%
Q3 2025503.4K$20M+3.31%
Q2 2025323.4K$10M+1.75%
Q1 2025303.4K$10M+1.75%
Q4 2024197.2K$8M+1.10%
Q3 2024165.8K$7M+0.98%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Mpm Bioimpact LLC’s full portfolio or all institutional holders of XENE.