Xenon Pharmaceuticals Inc. - Common Stock (XENE)

CUSIP: 98420N105

Q4 2023 13F Holders as of 31 Dec 2023

Holder snapshot 7 signals
Share change
+9,933,060
Put/Call ratio
81%
SEC-reported price per share
$46.06
Number of holders
204
Value change
+$473,994,183
Number of buys
124
Open additional details 1 more signal available
Number of sells
72
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
95,032,800

Security key

98420N105

Report period

Q4 2023

Institutions

204

Top holders

10

Ownership snapshot

Top reported holders of XENE - Xenon Pharmaceuticals Inc. - Common Stock (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 2023
13F Lead comparable stake: 5.2% Showing 1-6 of 15 holder rows.

Quick read

Avoro Capital Advisors LLC leads the comparable SEC ownership view at 5.2%.

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 5.2%
DRIEHAUS CAPITAL MANAGEMENT LLC 4.7%
FMR LLC 4.5%
Polar Capital Holdings Plc 3.2%
Capital International Investors 2.6%

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
13F
5.2%
$167,384,000
4,900,000 shares
30 Sep 2023
DRIEHAUS CAPITAL MANAGEMENT LLC
13F
Company
13F
4.7%
$154,164,251
4,513,005 shares
30 Sep 2023
FMR LLC
13F
Company
13F
4.5%
$145,277,903
4,252,866 shares
30 Sep 2023
Polar Capital Holdings Plc
13F
Company
13F
3.2%
$102,607,998
3,003,747 shares
30 Sep 2023
Capital International Investors
13F
Company
13F
2.6%
$83,583,371
2,446,820 shares
30 Sep 2023
Capital World Investors
13F
Company
13F
2.4%
$77,713,112
2,274,974 shares
30 Sep 2023
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 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
204
Shares
72,058,517
Rows available
204
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 2023 vs Q3 2023 Across Filers

Q3 2023 holders
180
Q4 2023 holders
204
Holder diff
24
Investor Q3 2023 Shares Q4 2023 Shares Share Diff Share Chg % Q3 2023 value Q4 2023 value Value change Value Chg %
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