Who owns Xenon Pharmaceuticals Inc. (ENDP)? Elite investor 13F holders
4 tracked elite investors reported holding Xenon Pharmaceuticals Inc as of 2026-06-30, including Caligan Partners, Tudor Investment, Renaissance Technologies LLC, D.E. Shaw. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.
4 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Pharmaceuticals, Biotechnology & Life Sciences
Xenon Pharmaceuticals Inc., a neuroscience-focused biopharmaceutical company, engages in the discovery, development, and delivery of therapeutics to treat patients with neurological and psychiatric disorders. Its product candidates include Azetukalner, a novel, potent Kv7 potassium channel opener which is in Phase 3 clinical development for the treatment of epilepsy, including focal onset…
Reported holders and securities, including exits (up to 20)
| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|---|---|---|---|---|---|---|---|---|---|
| Caligan Partners | Xenon Pharmaceuticals Inc | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 53717020.00 USD | 889944.000000 | Shares | reduce | Original filing |
| Tudor Investment | Xenon Pharmaceuticals Inc | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 32919559.00 USD | 545387.000000 | Shares | add | Original filing |
| Renaissance Technologies LLC | Xenon Pharmaceuticals Inc | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 11293960.00 USD | 187110.000000 | Shares | reduce | Original filing |
| Duquesne Family Office | Xenon Pharmaceuticals Inc | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| D.E. Shaw | Xenon Pharmaceuticals Inc | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 13515932.00 USD | 223922.000000 | Shares | add | Original filing |
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