Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 04317A107 since 12/18/2024, largest first.
| Filer | % of Class | Filed | ||
|---|---|---|---|---|
|
RA Capital Management, L.P.
13D/A
|
37.9% |
7/23/2026
Event 7/22/2026
|
||
| RA Capital Management, L.P. | 37.9% | |||
| Peter Kolchinsky | 37.9% | |||
| Rajeev Shah | 37.9% | |||
| RA Capital Healthcare Fund, L.P. | 35.5% | |||
|
GC Corp.
13D/A
|
12.3% |
5/28/2026
Event 5/11/2026
|
||
| GC Corp | 12.3% | |||
| GC Cell Corporation | 3.3% | |||
| Yong-Jun Huh | 12.3% | |||
|
Viking Global Investors LP
13G
|
5.4% |
5/18/2026
Event 5/11/2026
|
||
| Viking Global Investors LP | 5.4% | |||
| Viking Global Opportunities Parent GP LLC | 5.4% | |||
| Viking Global Opportunities GP LLC | 3.8% | |||
| Viking Global Opportunities Portfolio GP LLC | 3.8% | |||
| Viking Global Opportunities Illiquid Investments Sub-Master LP | 3.8% | |||
| Viking Global Opportunities Vintage IV GP LLC | 1.6% | |||
| Viking Global Opportunities Vintage IV Portfolio GP LLC | 1.6% | |||
| Viking Global Opportunities Vintage IV (Aggregator) LP | 1.6% | |||
| Halvorsen Ole Andreas | 5.4% | |||
| Shabet Rose Sharon | 5.4% | |||
| Under 5%, checked the "5 percent or less" box, or amended by a later filing (4) | ||||
|
venBio Global Strategic Fund III, L.P.
13G/A
|
4.9% |
5/15/2025
Event 3/31/2025
|
||
| venBio Global Strategic Fund III, L.P. | 4.9% | |||
| Venbio Global Strategic GP III, L.P. | 4.9% | |||
| Venbio Global Strategic GP III, Ltd | 4.9% | |||
| Adelman Robert J | 4.9% | |||
| Goodman Corey S | 4.9% | |||
|
5AM Ventures VI, L.P.
13G/A
|
4.8% |
8/10/2026
Event 6/30/2026
|
||
| 5AM Ventures VI, L.P. | 2.4% | |||
| 5AM Partners VI, LLC | 2.4% | |||
| 5AM Opportunities II, L.P. | 2.4% | |||
| 5AM Opportunities II (GP), LLC | 2.4% | |||
| Andrew J. Schwab | 4.8% | |||
| Kush Parmar | 4.8% | |||
|
Venrock Healthcare Capital Partners III, L.P.
13G/A
|
4.2% |
8/14/2026
Event 6/30/2026
|
||
| Venrock Healthcare Capital Partners III, L.P. | 4.2% | |||
| VHCP Co-Investment Holdings III, LLC | 4.2% | |||
| Venrock Healthcare Capital Partners EG, L.P. | 4.2% | |||
| VHCP Management III, LLC | 4.2% | |||
| VHCP Management EG, LLC | 4.2% | |||
| Nimish Shah | 4.2% | |||
| Bong Y. Koh | 4.2% | |||
| BlackRock, Inc. 13G/A | 2.0% |
7/16/2025
Event 6/30/2025
|
||
| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2026 Q3 | 2 | 652 | $4.64 k |
| 2026 Q2 | 74 | 40.7 M | $395 M |
| 2026 Q1 | 40 | 16.8 M | $108 M |
| 2025 Q4 | 34 | 17.0 M | $72.7 M |
| 2025 Q3 | 41 | 18.2 M | $52.1 M |
| 2025 Q2 | 50 | 18.5 M | $27.9 M |
| 2025 Q1 | 54 | 20.9 M | $62.8 M |
| 2024 Q4 | 58 | 21.2 M | $213 M |
| 2024 Q3 | 51 | 20.7 M | $320 M |