Xenon Pharmaceuticals
XENE · NASDAQ
$36.27+$1.19 (+3.39%)TodayMarket closed ·
Prev close $35.08
Who owns XENE
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 43.3% of XENE’s shares.
- Fidelity Management & Research Company LLC7.2%
- BlackRock Institutional Trust Company, N.A.6.1%
- Avoro Capital Advisors LLC6.0%
- Polar Capital LLP4.7%
- Next 6 largest institutions19.2%
- All other shareholders56.7%
| Holder | Shares | % of shares |
|---|---|---|
| Fidelity Management & Research Company LLC | 6.98M | 7.22% |
| BlackRock Institutional Trust Company, N.A. | 5.91M | 6.11% |
| Avoro Capital Advisors LLC | 5.78M | 5.98% |
| Polar Capital LLP | 4.57M | 4.73% |
| Driehaus Capital Management, LLC | 4.42M | 4.57% |
| Janus Henderson Investors | 4.19M | 4.33% |
| T. Rowe Price Associates, Inc. | 3.17M | 3.28% |
| Capital International Investors | 2.36M | 2.44% |
| JP Morgan Asset Management | 2.28M | 2.36% |
| T. Rowe Price Investment Management, Inc. | 2.17M | 2.24% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| American Funds SMALLCAP World Fund | 3.12M | 3.23% |
| Polar Capital Biotechnology Fund | 2.72M | 2.81% |
| iShares Russell 2000 ETF | 2.52M | 2.61% |
| Fidelity Strategic Advisers Fidelity US Total Stk | 2.01M | 2.08% |
| Polar Capital Funds Plc - Healthcare Opportunities Fund | 1.69M | 1.75% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $1.68M (2 trades) and sold $1.20M (5 trades) of XENE on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Kelly Thomas Patrick | Option exercise | 7.50K | — |
| Kelly Thomas Patrick | Option exercise | 7.50K | — |
| MORTIMER IAN | Buy | 30.00K | $1.12M |
| Kelly Thomas Patrick | Buy | 15.00K | $559.74K |
| Svoronos Dawn | Option exercise | 5.14K | — |
| Svoronos Dawn | Option exercise | 5.14K | $41.92K |
| KENNEY CHRISTOPHER JOHN | Sale | 700 | $42.68K |
| KENNEY CHRISTOPHER JOHN | Sale | 6.37K | $383.15K |
| GANNON STEVEN | Sale | 10.00K | $640.55K |
| Cannon Gillian | Sale | 1.19K | $63.24K |
Short interest
Settled Sep 30, 2026
- Shares short
- 6.04M
- Days to cover
- 1.58
- % of shares outstanding
- 6.25%
- Average daily volume
- 3.83M
- Change since last report
- −6.3%
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