Position in SLDB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$22,782,035
+$6,365,135 QoQ
Shares Held
2,280,484
+0.0% QoQ
Ownership
2.13%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#15
of 155 holders
Holding Since
Mar 2021
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in SLDB 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. SLDB ranks #10 (2.3% 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.
|
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 SLDB
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $22,782,035 | 2,280,484 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $16,416,900 | 2,280,125 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $9,491,020 | 1,682,805 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $10,382,906 | 1,682,805 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $7,990,798 | 1,640,821 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $6,071,037 | 1,640,821 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,385,484 | 346,371 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,414,205 | 346,371 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $2,530,923 | 446,371 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $5,522,671 | 414,615 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $3,912,893 | 637,279 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $1,629,442 | 646,604 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $3,388,204 | 646,604 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $3,064,902 | 646,604 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $2,905,990 | 540,147 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $3,783,738 | 8,102,223 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $905,054 | 1,469,245 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,583,094 | 1,319,245 | Shares | Sole | 2022-05-17 | |
| 2021-12-31 | $1,783,678 | 1,019,245 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $2,111,940 | 883,657 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $1,870,768 | 511,139 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $2,826,598 | 511,139 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||