Lantheus Holdings, Inc. Subsidiaries
Every subsidiary the company listed in Exhibit 21 of its annual reports, newest list first (11 lists). Names and jurisdictions are as filed.
- 2026-02-26: Subsidiary 27 Commerce Street LLC; Jurisdiction New Jersey.
- 2026-02-26: Subsidiary ACP Lantern Real Estate, LLC; Jurisdiction Delaware.
- 2026-02-26: Subsidiary Aphelion LLC; Jurisdiction Delaware.
- 2026-02-26: Subsidiary Cerveau Technologies, Inc.; Jurisdiction Delaware.
| Annual report filed | Subsidiary | Jurisdiction |
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| 2026-02-26 | 27 Commerce Street LLC | New Jersey |
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| 2026-02-26 | ACP Lantern Real Estate, LLC | Delaware |
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| 2026-02-26 | Aphelion LLC | Delaware |
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| 2026-02-26 | Cerveau Technologies, Inc. | Delaware |
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| 2026-02-26 | Evergreen Discovery, LLC | Delaware |
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| 2026-02-26 | Evergreen Theragnostics, Inc. | Delaware |
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| 2026-02-26 | Excelsior Life Sciences Ireland Limited | Ireland |
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| 2026-02-26 | EXINI Diagnostics AB | Sweden |
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| 2026-02-26 | Lantheus Alpha Therapy, LLC | Delaware |
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| 2026-02-26 | Lantheus EU Limited | Ireland |
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| 2026-02-26 | Lantheus Five, LLC | Delaware |
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| 2026-02-26 | Lantheus Medical Imaging, Inc. | Delaware |
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| 2026-02-26 | Lantheus MI Canada, Inc. | Canada |
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| 2026-02-26 | Lantheus MI Intermediate, Inc. | Delaware |
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| 2026-02-26 | Lantheus MI Real Estate, LLC | Delaware |
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| 2026-02-26 | Lantheus MI UK Limited | United Kingdom |
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| 2026-02-26 | Lantheus Omega, LLC | Delaware |
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| 2026-02-26 | Lantheus One, LLC | Delaware |
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| 2026-02-26 | Lantheus Radiopharmaceuticals UK Limited | United Kingdom |
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| 2026-02-26 | Lantheus Switzerland GmbH | Switzerland |
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| 2026-02-26 | Lantheus Three, LLC | Delaware |
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| 2026-02-26 | Lantheus Two, LLC | Delaware |
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| 2026-02-26 | Life Molecular Imaging GmbH | Germany |
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| 2026-02-26 | Life Molecular Imaging LLC | Delaware |
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| 2026-02-26 | Life Molecular Imaging Limited | United Kingdom |
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| 2026-02-26 | Meilleur Technologies, Inc. | Delaware |
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| 2026-02-26 | MNTX Royalties Sub LLC | Delaware |
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| 2026-02-26 | Molecular Insight Pharmaceuticals, Inc. | Delaware |
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| 2026-02-26 | Progenics Pharmaceuticals Nevada, Inc. | Nevada |
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| 2026-02-26 | Progenics Pharmaceuticals, Inc. | Delaware |
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| 2026-02-26 | PSMA Development Company LLC | Delaware |
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| 2026-02-26 | SPECT HoldCo LLC | Delaware |
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