Alyeska Investment Group, L.P.
Position in XENE — Xenon Pharmaceuticals Inc.
CIK 1453072
CHICAGO, IL
Position in XENE
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$42,112,689
-$33,451,433 QoQ
Shares Held
697,692
-46.3% QoQ
Ownership
0.720%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#35
of 313 holders
Holding Since
Mar 2024
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in XENE Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Alyeska Investment Group, L.P. holds $989,063,778 across 83 Biotechnology names. XENE ranks #4 (4.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVMD |
Revolution Medicines, Inc.
|
659,279 | $123,469,771 | |
| 2 | IONS |
Ionis Pharmaceuticals Inc
|
1,417,916 | $112,426,559 | |
| 3 | PTGX |
Protagonist Therapeutics, Inc
|
889,298 | $109,010,148 | |
| 4 | XENE |
Xenon Pharmaceuticals Inc.
This page
|
697,692 | $42,112,689 | |
| 5 | MRNA |
Moderna, Inc.
|
560,819 | $39,274,154 | |
| 6 | KYMR |
Kymera Therapeutics, Inc.
|
276,455 | $31,701,094 | |
| 7 | LBRX |
Lb Pharmaceuticals Inc
|
863,947 | $28,039,399 | |
| 8 | PRAX |
Praxis Precision Medicines, Inc.
|
80,846 | $27,066,432 |
All Filings in XENE
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $42,112,689 | 697,692 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $75,564,122 | 1,299,469 | Shares | Sole | 2026-05-15 | |
| 2025-03-31 | $12,320,667 | 367,233 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $11,322,645 | 288,843 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $11,371,748 | 288,843 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $11,379,933 | 291,868 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $10,282,191 | 238,843 | Shares | Sole | 2024-05-15 | |
| No filing history on record for this holder in this stock. | ||||||