Alyeska Investment Group, L.P.
Position in HOWL — Werewolf Therapeutics, Inc.
CIK 1453072
CHICAGO, IL
Position in HOWL
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$31,159
-$40,940 QoQ
Shares Held
86,554
0.0% QoQ
Ownership
0.178%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#20
of 45 holders
Holding Since
Jun 2021
21 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in HOWL 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. HOWL ranks #83 (0.0% 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 HOWL
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $31,159 | 86,554 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $72,099 | 86,554 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $149,436 | 235,705 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $464,338 | 235,705 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $256,918 | 235,705 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $229,105 | 235,705 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $348,843 | 235,705 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $499,694 | 235,705 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $575,120 | 235,705 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,527,368 | 235,705 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $1,681,821 | 435,705 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $851,309 | 397,808 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,213,314 | 397,808 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,034,300 | 397,808 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $422,712 | 206,201 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $929,966 | 206,201 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $843,362 | 206,201 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $907,284 | 206,201 | Shares | Sole | 2022-05-17 | |
| 2021-12-31 | $2,455,853 | 206,201 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $3,538,409 | 206,201 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $3,596,145 | 206,201 | Shares | Sole | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||