Position in SPRB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$4,410,234
+$1,033,535 QoQ
Shares Held
81,671
+58.1% QoQ
Ownership
2.84%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#7
of 63 holders
Holding Since
Jun 2021
8 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in SPRB 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. SPRB ranks #45 (0.4% 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 SPRB
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,410,234 | 81,671 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $3,376,699 | 51,671 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $4,501,060 | 51,671 | Shares | Sole | 2026-02-13 | |
| 2023-12-31 | $1,172,000 | 400,000 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $2,260,000 | 1,000,000 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $2,150,000 | 1,000,000 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $2,210,000 | 1,000,000 | Shares | Sole | 2023-05-15 | |
| 2021-06-30 | $217,619 | 19,413 | Shares | Sole | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||