Xenon Pharmaceuticals Inc.

XENE

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001582313

SEC filings (opens in a new tab)

In the last 90 days, Xenon Pharmaceuticals Inc. insiders filed 2 open-market purchases and 2 sales; 315 institutions reported holding it in 13F filings for Q2 2026, worth $6.10B in total; Duquesne Family Office is the only superinvestor holding it.

Q3 2023 vs. Q2 2023

How the institutions holding Xenon Pharmaceuticals Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023 All holders in Q2 2023

13F holders of XENE: Q2 2023 compared with Q3 2023
Measure	Q2 2023	Of which not filed for Q3 2023	Q3 2023	Change
Holders	175	2	181	+8
Shares	61.3M	2.10M	61.3M	+2.13M (+3.6%)
Value	$2.36B	$80.9M	$2.10B	−$183.4M (−8.0%)

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held Xenon Pharmaceuticals Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to XENE in Q3 2023
Institution	Shares	Value	% of portfolio
Pictet Asset Management Holding SA	1,938,779	$66.2M	0.08%
ExodusPoint Capital Management, LP	359,838	$12.3M	0.16%
Assenagon Asset Management S.A.	147,693	$5.05M	0.02%
Two Sigma Advisers, LP	64,900	$2.22M	0.01%
Sphera Funds Management Ltd.	38,959	$1.33M	0.32%
Prudential Financial Inc	27,000	$953.9K	0.00%
LMR Partners LLP	25,000	$854.0K	0.02%
Rathbone Brothers plc	23,666	$808.4K	0.01%
Renaissance Technologies LLC	21,900	$748.0K	0.00%
Man Group plc	–	$632.0K	0.00%
Aquatic Capital Management LLC	15,300	$523.0K	0.02%
Simplex Trading, LLC	10,735	$366.0K	0.01%
Caption Management, LLC	9,500	$324.5K	0.04%
Dynamic Technology Lab Private Ltd	9,371	$320.0K	0.03%
Moody Aldrich Partners LLC	9,123	$311.6K	0.06%
Group One Trading, L.P.	8,005	$273.5K	0.01%
Quarry LP	4,500	$153.7K	0.10%
Belvedere Trading LLC	955	$32.6K	0.00%
Householder Group Estate & Retirement Specialist, LLC	283	$9.67K	0.00%
Headlands Technologies LLC	27	$922	0.00%
Larson Financial Group LLC	17	$581	0.00%
Lindbrook Capital, LLC	14	$478	0.00%
Steward Financial Group LLC	12	$0	0.00%

Sold out (15)

Institutions that held Xenon Pharmaceuticals Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of XENE in Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
Bank of Montreal	191,011	$7.83M
Eversept Partners, LP	171,378	$6.60M
Ikarian Capital, LLC	135,486	$5.22M
Castleark Management LLC	94,490	$3.64M
Atika Capital Management LLC	68,050	$2.62M
Calamos Advisors LLC	17,637	$679.0K
Shell Asset Management Co	14,515	$559.0K
Boothbay Fund Management, LLC	9,983	$384.3K
Susquehanna International Group, LLP	8,131	$313.0K
Trexquant Investment LP	7,446	$286.7K
Virtu Financial LLC	6,682	$257.0K
Victory Capital Management Inc	6,500	$250.3K
Harbor Capital Advisors, Inc.	547	$21.1K
Leonteq Securities AG	530	$20.4K
Disciplined Investments, LLC	1	$39

Not filed for Q3 2023 yet (2)

Institutions that held Xenon Pharmaceuticals Inc. at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding XENE in Q2 2023 that haven't filed for Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
Pictet Asset Management SA	2,032,730	$78.3M
Tekla Capital Management LLC	67,506	$2.60M