SPHERA FUNDS MANAGEMENT LTD.
Position in HOWL — Werewolf Therapeutics, Inc.
CIK 1496201
TEL AVIV, L3
Position in HOWL
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$225,651
-$296,481 QoQ
Shares Held
626,810
0.0% QoQ
Ownership
1.29%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#6
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, 2026SPHERA FUNDS MANAGEMENT LTD. holds $446,002,188 across 71 Biotechnology names. HOWL ranks #68 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MLYS |
Mineralys Therapeutics, Inc.
|
1,469,971 | $39,659,817 | |
| 2 | SNDX |
Syndax Pharmaceuticals Inc
|
1,014,606 | $22,179,287 | |
| 3 | RARE |
Ultragenyx Pharmaceutical Inc.
|
588,494 | $19,649,814 | |
| 4 | BMRN |
Biomarin Pharmaceutical Inc
|
328,550 | $18,799,631 | |
| 5 | CYTK |
Cytokinetics Inc
|
219,987 | $18,740,692 | |
| 6 | BBIO |
BridgeBio Pharma, Inc.
|
245,346 | $18,273,370 | |
| 7 | COGT |
Cogent Biosciences, Inc.
|
459,340 | $17,776,458 | |
| 8 | INSM |
INSMED Inc
|
118,800 | $12,666,456 |
All Filings in HOWL
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $225,651 | 626,810 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $522,132 | 626,810 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $397,397 | 626,810 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $1,234,815 | 626,810 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $683,222 | 626,810 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $609,259 | 626,810 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $927,678 | 626,810 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $1,328,837 | 626,810 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,529,416 | 626,810 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $4,061,728 | 626,810 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $2,419,486 | 626,810 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $1,341,373 | 626,810 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,911,770 | 626,810 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,629,706 | 626,810 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $1,284,960 | 626,810 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $2,826,913 | 626,810 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $2,441,742 | 597,003 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $2,570,493 | 584,203 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $7,722,336 | 648,391 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $11,814,231 | 688,475 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $12,317,767 | 706,294 | Shares | Defined | 2021-08-17 | |
| No filing history on record for this holder in this stock. | ||||||