Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 055477103 since 12/18/2024, largest first.
| Filer | % of Class | Filed | ||
|---|---|---|---|---|
|
RA Capital Management, L.P.
13D/A
|
11.5% |
3/2/2026
Event 2/26/2026
|
||
| RA Capital Management, L.P. | 11.5% | |||
| Peter Kolchinsky | 11.5% | |||
| Rajeev Shah | 11.5% | |||
| RA Capital Healthcare Fund, L.P. | 7.3% | |||
|
Invus Global Management, LLC
13G/A
|
9.6% |
7/31/2025
Event 6/30/2025
|
||
| Invus Public Equities, L.P. | 8.9% | |||
| Invus Public Equities Advisors, LLC | 8.9% | |||
| Invus Global Management, LLC | 8.9% | |||
| Siren, L.L.C. | 8.9% | |||
| Avicenna Life Sci Master Fund LP | 0.7% | |||
| Avicenna Life Sci Master GP LLC | 0.7% | |||
| Ulys, L.L.C. | 0.7% | |||
| Raymond Debbane | 9.6% | |||
|
Vestal Point Capital, LP
13G/A
|
8.3% |
5/15/2026
Event 3/31/2026
|
||
| Vestal Point Capital, LP | 8.3% | |||
| Ryan Wilder | 8.3% | |||
|
Deep Track Capital, LP
13G/A
|
6.2% |
5/15/2026
Event 3/31/2026
|
||
| Deep Track Capital, LP | 6.2% | |||
| Deep Track Biotechnology Master Fund, Ltd. | 6.2% | |||
| David Kroin | 6.2% | |||
| BlackRock, Inc. 13G | 5.4% |
7/27/2026
Event 6/30/2026
|
||
| Under 5%, checked the "5 percent or less" box, or amended by a later filing (4) | ||||
| Janus Henderson Group Ltd. 13G/A | 4.8% |
8/13/2026
Event 6/30/2026
|
||
|
Red Tree GP, LLC
13G/A
|
4.8% |
5/8/2026
Event 3/31/2026
|
||
| Red Tree GP, LLC | 4.8% | |||
| Red Tree Venture Fund, L.P. | 4.8% | |||
| Heath Lukatch | 4.8% | |||
| T. Rowe Price Investment Management, Inc. 13G/A | 4.2% |
10/7/2026
Event 9/30/2026
|
||
|
FMR LLC
13G/A
|
3.2% |
5/6/2026
Event 3/31/2026
|
||
| FMR LLC | 3.2% | |||
| Abigail P. Johnson | 3.2% | |||
| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2026 Q3 | 4 | 2.04 k | $37.9 k |
| 2026 Q2 | 180 | 71.0 M | $2.11 B |
| 2026 Q1 | 152 | 68.9 M | $1.35 B |
| 2025 Q4 | 146 | 57.3 M | $964 M |
| 2025 Q3 | 116 | 50.2 M | $790 M |
| 2025 Q2 | 108 | 51.2 M | $475 M |
| 2025 Q1 | 94 | 48.6 M | $634 M |
| 2024 Q4 | 86 | 47.4 M | $825 M |
| 2024 Q3 | 72 | 36.4 M | $928 M |