Who owns Xenon Pharmaceuticals Inc.?
Institutional ownership of XENE from SEC Form 13F filings across 208 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
208
13F holders
$3.41B
value, 2026 filers
62.2%
of shares outstanding (60.1M sh)
32
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of XENE's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 9.6M | $582.4M | 0.0% | 10% | -10.8% |
| 2 | BlackRock, Inc. | 7.5M | $454.1M | 0.0% | 7.8% | +33.4% |
| 3 | Jupiter Topco LLCNEW | 4.2M | $252.7M | 0.1% | 4.3% | new |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | 3.2M | $196,063 | 0.0% | 3.4% | +144.3% |
| 5 | JPMORGAN CHASE & CO | 2.6M | $157.4M | 0.0% | 2.7% | +36.1% |
| 6 | Capital International Investors | 2.4M | $142.5M | 0.0% | 2.4% | -11.7% |
| 7 | TWO SIGMA INVESTMENTS, LP | 1.6M | $99.2M | 0.1% | 1.7% | +171.1% |
| 8 | ALLIANCEBERNSTEIN L.P. | 1.6M | $90.8M | 0.0% | 1.6% | +11.3% |
| 9 | FRANKLIN RESOURCES INC | 1.4M | $86.8M | 0.0% | 1.5% | +12.3% |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | 1.4M | $86.0M | 0.0% | 1.5% | -70.5% |
| 11 | CITADEL ADVISORS LLC | 1.4M | $84.6M | 0.0% | 1.4% | -47.2% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $82.7M | 0.0% | 1.4% | +25.4% |
| 13 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1.3M | $77.9M | 0.1% | 1.3% | -3.8% |
| 14 | Pictet Asset Management Holding SA | 1.2M | $71.6M | 0.1% | 1.2% | +74.7% |
| 15 | Nuveen, LLC | 993,126 | $59.9M | 0.0% | 1% | +297.2% |
| 16 | Invesco Ltd. | 903,458 | $54.5M | 0.0% | 0.9% | +1428.6% |
| 17 | AMERICAN CENTURY COMPANIES INC | 884,319 | $53.4M | 0.0% | 0.9% | +30.2% |
| 18 | FEDERATED HERMES, INC. | 883,737 | $53.3M | 0.1% | 0.9% | -9.1% |
| 19 | Capital World Investors | 862,775 | $52.1M | 0.0% | 0.9% | +2.7% |
| 20 | GOLDMAN SACHS GROUP INC | 773,625 | $46.7M | 0.0% | 0.8% | +0.5% |
| 21 | VANGUARD PORTFOLIO MANAGEMENT LLC | 749,651 | $45.2M | 0.0% | 0.8% | +38.0% |
| 22 | MARSHALL WACE, LLPNEW | 689,342 | $41.6M | 0.0% | 0.7% | new |
| 23 | NORTHERN TRUST CORP | 671,566 | $40.5M | 0.0% | 0.7% | +27.2% |
| 24 | TUDOR INVESTMENT CORP ET AL | 545,387 | $32.9M | 0.0% | 0.6% | +10.0% |
| 25 | Candriam S.C.A. | 462,768 | $27.9M | 0.1% | 0.5% | -2.9% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.