Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 46489V302 since 12/18/2024, newest first.
| Filer | % of Class | Filed | |
|---|---|---|---|
|
Lantheus Holdings, Inc.
13D/A
Amendment 3
|
7.7% |
9/23/2026
Event 9/21/2026
|
|
| Lantheus Holdings, Inc. | 7.7% | ||
| Lantheus Medical Imaging, Inc. | 7.7% | ||
| Lantheus Alpha Therapy, LLC | 7.7% | ||
|
Lantheus Holdings, Inc.
13D/A
Amendment 2
|
10.0% |
9/4/2026
Event 5/15/2024
|
|
| Lantheus Holdings, Inc. | 10.0% | ||
| Lantheus Medical Imaging, Inc. | 10.0% | ||
| Lantheus Alpha Therapy, LLC | 10.0% | ||
|
Millennium Management LLC
13G/A
Amendment 1
|
5.5% |
8/13/2026
Event 8/7/2026
|
|
| Integrated Core Strategies (US) LLC | 5.2% | ||
| Millennium Management LLC | 5.5% | ||
| Millennium Group Management LLC | 5.5% | ||
| Israel A. Englander | 5.5% | ||
| State Street Corp 13G | 5.3% |
8/7/2026
Event 6/30/2026
|
|
| BlackRock, Inc. 13G | 6.8% |
7/29/2026
Event 6/30/2026
|
|
|
Millennium Management LLC
13G
|
5.3% |
7/20/2026
Event 7/13/2026
|
|
| Millennium Management LLC | 5.3% | ||
| Millennium Group Management LLC | 5.3% | ||
| Israel A. Englander | 5.3% | ||
|
Millennium Management LLC
13G
|
4.3% |
6/30/2026
Event 6/23/2026
|
|
| Millennium Management LLC | 4.3% | ||
| Millennium Group Management LLC | 4.3% | ||
| Israel A. Englander | 4.3% | ||
| Morgan Stanley 13G/A Amendment 1 | 2.6% |
5/12/2026
Event 3/31/2026
|
|
| BlackRock, Inc. 13G/A Amendment 1 | 4.6% |
4/27/2026
Event 3/31/2026
|
|
|
Avidity Partners Management LP
13G
|
5.3% |
3/10/2026
Event 2/20/2026
|
|
| Avidity Partners Management LP | 5.3% | ||
| Avidity Partners Management (GP) LLC | 5.3% | ||
| Avidity Capital Partners Fund (GP) LP | 5.3% | ||
| Avidity Capital Partners (GP) LLC | 5.3% | ||
| Avidity Private Master Fund I LP | 5.1% | ||
| Michael Gregory | 5.3% | ||
| Morgan Stanley 13G | 6.0% |
2/12/2026
Event 12/31/2025
|
|
|
Commodore Capital LP
13G
|
9.9% |
2/9/2026
Event 2/2/2026
|
|
| Commodore Capital LP | 9.9% | ||
| Commodore Capital Master LP | 9.9% | ||
| Robert Egen Atkinson | 9.9% | ||
| Michael Kramarz | 9.9% | ||
|
TCG Crossover GP II, LLC
13G
|
6.9% |
2/6/2026
Event 2/3/2026
|
|
| TCG Crossover GP II, LLC | 3.5% | ||
| TCG Crossover Fund II, L.P. | 3.5% | ||
| TCG Crossover GP III, LLC | 3.5% | ||
| TCG Crossover Fund III, L.P. | 3.5% | ||
| Chen Yu | 6.9% | ||
| Qatar Investment Authority 13G | 6.2% |
2/5/2026
Event 2/4/2026
|
|
|
FMR LLC
13G/A
Amendment 3
|
0.4% |
12/5/2025
Event 11/28/2025
|
|
| FMR LLC | 0.4% | ||
| Abigail P. Johnson | 0.4% | ||
|
FMR LLC
13G/A
Amendment 2
|
8.2% |
11/7/2025
Event 10/31/2025
|
|
| FMR LLC | 8.2% | ||
| Abigail P. Johnson | 8.2% | ||
| Janus Henderson Group PLC 13G/A Amendment 1 | 0% |
2/14/2025
Event 12/31/2024
|
|
|
Avidity Partners Management LP
13G/A
Amendment 1
|
4.2% |
2/14/2025
Event 12/31/2024
|
|
| Avidity Partners Management LP | 4.2% | ||
| Avidity Partners Management (GP) LLC | 4.2% | ||
| Avidity Capital Partners Fund (GP) LP | 4.2% | ||
| Avidity Capital Partners (GP) LLC | 4.2% | ||
| David Witzke | 0% | ||
| Michael Gregory | 4.2% |
| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2026 Q3 | 3 | 106 k | $291 k |
| 2026 Q2 | 133 | 89.3 M | $306 M |
| 2026 Q1 | 144 | 84.6 M | $351 M |
| 2025 Q4 | 119 | 36.4 M | $102 M |
| 2025 Q3 | 106 | 43.0 M | $147 M |
| 2025 Q2 | 100 | 42.2 M | $145 M |
| 2025 Q1 | 114 | 44.1 M | $94.0 M |
| 2024 Q4 | 141 | 47.1 M | $150 M |
| 2024 Q3 | 132 | 49.1 M | $654 M |
| 2024 Q2 | 106 | 38.7 M | $386 M |