Xenon Pharmaceuticals Inc. (XENE): Biotechnology Value Fund Adds More Shares

Page 2 of 10 – SEC Filing

1	NAME OF REPORTING PERSON Biotechnology Value Trading Fund OS LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x   (b) o
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5	SOLE VOTING POWER 0 shares
	6	SHARED VOTING POWER 262,664
	7	SOLE DISPOSITIVE POWER 0 shares
	8	SHARED DISPOSITIVE POWER 262,664
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 262,664
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES		¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.5%
12	TYPE OF REPORTING PERSON   PN