Xenon Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGM:XENE Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
07 Mar 24	BuyUS$12,155	Robin Sherrington	Individual	1,234	US$9.85
07 Mar 24	SellUS$231,513	Steven Gannon	Individual	5,000	US$46.30
07 Mar 24	SellUS$601,615	Steven Gannon	Individual	13,000	US$46.45
07 Mar 24	SellUS$446,789	Steven Gannon	Individual	13,000	US$34.50
14 Dec 23	SellUS$311,898	Gary Patou	Individual	7,598	US$41.05

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 18.1%.

Top 25 shareholders own 72.67% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.93%	FMR LLC	6,768,173	US$266.5m	2.52%	0.02%
7.48%	Avoro Capital Advisors LLC	5,666,666	US$223.1m	0%	2.83%
6.81%	Capital Research and Management Company	5,157,396	US$203.0m	0%	0.01%
5.83%	Driehaus Capital Management LLC	4,419,472	US$174.0m	2.26%	1.18%
5.05%	Wellington Management Group LLP	3,828,221	US$150.7m	-2.39%	0.02%
3.64%	Commodore Capital LP	2,754,266	US$108.4m	27.1%	6.63%
3.38%	Braidwell LP	2,560,573	US$100.8m	95.8%	4.62%
3.35%	Polar Capital Holdings Plc	2,536,058	US$99.8m	-2.91%	0.39%
2.77%	BlackRock, Inc.	2,095,894	US$82.5m	-1.23%	no data
2.7%	Paradigm Biocapital Advisors LP	2,043,280	US$80.4m	-17.8%	2.85%
2.43%	Adage Capital Management, L.P.	1,839,555	US$72.4m	10%	0.13%
1.96%	AllianceBernstein L.P.	1,483,166	US$58.4m	1%	0.02%
1.95%	Pictet Asset Management Limited	1,479,491	US$58.2m	-2.37%	0.04%
1.9%	T. Rowe Price Group, Inc.	1,439,903	US$56.7m	0.95%	0.01%
1.83%	Marshall Wace LLP	1,384,674	US$54.5m	-4.53%	0.09%
1.72%	First Light Asset Management, LLC	1,306,260	US$51.4m	-1.05%	3.92%
1.68%	Rock Springs Capital Management LP	1,272,877	US$50.1m	1.38%	1.45%
1.38%	Janus Henderson Group plc	1,045,257	US$41.2m	11%	0.02%
1.31%	Affinity Asset Advisors, LLC	994,227	US$39.1m	18.7%	6.31%
1.31%	Baker Bros. Advisors LP	993,679	US$39.1m	0%	0.37%
1.14%	OrbiMed Advisors LLC	862,362	US$34.0m	56.8%	0.47%
1.12%	Invesco Ltd.	847,999	US$33.4m	-5.17%	0.01%
1.01%	Citadel Advisors LLC	768,726	US$30.3m	-40.3%	0.03%
1%	TimesSquare Capital Management, LLC	754,493	US$29.7m	2.35%	0.43%
1%	Avidity Partners Management, L.P.	754,000	US$29.7m	6.2%	1.15%