Position in IONS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$35,528,833
-$2,579,324 QoQ
Shares Held
473,150
-1.8% QoQ
Ownership
0.286%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
7 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Alyeska Investment Group, L.P. holds $1,219,709,732 across 81 Biotechnology names. IONS ranks #7 (2.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MRNA |
Moderna, Inc.
|
4,051,185 | $205,800,198 | |
| 2 | RVMD |
Revolution Medicines, Inc.
|
1,885,821 | $183,396,092 | |
| 3 | JAZZ |
Jazz Pharmaceuticals plc
|
411,015 | $77,702,385 | |
| 4 | XENE |
Xenon Pharmaceuticals Inc.
|
1,299,469 | $75,564,122 | |
| 5 | PTGX |
Protagonist Therapeutics, Inc
|
593,197 | $62,522,963 | |
| 6 | DNLI |
Denali Therapeutics Inc.
|
1,941,123 | $37,269,561 | |
| 7 | IONS |
Ionis Pharmaceuticals Inc
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|
473,150 | $35,528,833 | |
| 8 | TECH |
BIO-TECHNE Corp
|
659,049 | $34,441,900 |
All Filings in IONS
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7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $35,528,833 | 473,150 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $38,108,157 | 481,711 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $20,362,498 | 311,258 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $6,282,406 | 159,008 | Shares | Sole | 2025-08-14 | |
| 2024-12-31 | $5,244,000 | 150,000 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $6,768,177 | 168,951 | Shares | Sole | 2024-11-14 | |
| 2021-03-31 | $19,242,430 | 427,990 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||