Position in OCS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$8,810,117
+$2,193,417 QoQ
Shares Held
331,332
0.0% QoQ
Ownership
0.549%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2023
8 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in OCS Over Time
Shares Held
Position Value (USD)
Derivatives in OCS
reported options exposure · as of Jun 30, 2024CallValue
$597,500
CallShares
50,000
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Mar 31, 2026Alyeska Investment Group, L.P. holds $1,219,709,732 across 81 Biotechnology names. OCS ranks #26 (0.7% 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
|
473,150 | $35,528,833 | |
| 8 | TECH |
BIO-TECHNE Corp
|
659,049 | $34,441,900 |
All Filings in OCS
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,810,117 | 331,332 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $6,616,700 | 331,332 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $2,308,816 | 131,332 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $2,549,154 | 131,332 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,499,247 | 131,332 | Shares | Sole | 2025-05-15 | |
| 2024-06-30 | $597,500 | 50,000 | Call | Sole | 2024-08-14 | |
| 2023-12-31 | $561,500 | 50,000 | Call | Sole | 2024-02-14 | |
| 2023-06-30 | $616,500 | 50,000 | Call | Sole | 2023-08-14 | |
| No filing history on record for this holder in this stock. | ||||||