Security key
98420N105
Xenon Pharmaceuticals Inc. - Common Shares (XENE)
CUSIP: 98420N105
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / Common Shares
- Total 13F shares
- 47,689,350
- Total 13F value
- $1,489,826,062
- Share change
- +13,210,129
- Put/Call ratio
- 68%
- SEC-reported price per share
- $31.24
- Number of holders
- 129
- Value change
- +$453,547,589
- Number of buys
- 80
- Number of sells
- 48
- Shares outstanding
- 92,799,600
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2021
Institutions
129
Top holders
10
XENE full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2022
Previous quarter: Q3 2021
Xenon Pharmaceuticals Inc. SEC filings
Xenon Pharmaceuticals Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 98420N105
Recent filing periods:
Ownership snapshot
Top reported holders of XENE - Xenon Pharmaceuticals Inc. - Common Shares (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Avoro Capital Advisors LLC
Disclosed value leader
Avoro Capital Advisors LLC
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
Lead comparable stake: 3.9%
Showing 1-6 of 15 holder rows.
Quick read
Avoro Capital Advisors LLC leads the comparable SEC ownership view at 3.9%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Avoro Capital Advisors LLC's linked filing trail.
Comparable ownership
Top 5
Avoro Capital Advisors LLC
3.9%
FMR LLC
3.3%
PERCEPTIVE ADVISORS LLC
2.2%
BVF INC/IL
1.7%
DRIEHAUS CAPITAL MANAGEMENT LLC
1.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Avoro Capital Advisors LLC |
13F
Company
|
3.9%
|
$55,772,000
3,650,000 shares
|
— | 30 Sep 2021 |
| FMR LLC |
13F
Company
|
3.3%
|
$46,707,000
3,056,756 shares
|
— | 30 Sep 2021 |
| PERCEPTIVE ADVISORS LLC |
13F
Company
|
2.2%
|
$30,897,000
2,022,051 shares
|
— | 30 Sep 2021 |
| BVF INC/IL |
13F
Company
|
1.7%
|
$24,017,000
1,571,778 shares
|
— | 30 Sep 2021 |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
Company
|
1.6%
|
$23,096,000
1,511,543 shares
|
— | 30 Sep 2021 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
Company
|
1.3%
|
$17,954,000
1,175,000 shares
|
— | 30 Sep 2021 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
129
Shares
47,689,350
Rows available
129
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
113
Q4 2021 holders
129
Holder diff
16
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend