CFO and Treasurer

Chief Accounting Officer

Head of Research and Development

Lantheus Holdings Inc is a radiopharmaceutical-focused company committed to enabling clinicians to Find, Fight and Follow disease to deliver patient outcomes. The Company classifies its products into Radiopharmaceutical Oncology, Precision Diagnostics, and Strategic Partnerships and Other Revenue. Its products help healthcare professionals Find, Fight and Follow cancer and diseases and are used by physicians and technologists in clinical settings. The Company produces and markets its products in the United States, mainly to hospitals, independent imaging centers and government facilities, and sells outside the United States through direct and third-party distribution relationships and licensing arrangements in Europe, Canada, Australia, Asia-Pacific, Central America and South America.

Institution	Shares	Value	Change
BlackRock	8,397,642	$932M	INCREASED
Vanguard	6,748,988	$749M	INCREASED
Farallon Capital Management	5,583,479	$619M	UNCHANGED
Jupiter Topco	5,188,416	$576M	NEW
FMR	3,879,971	$430M	DECREASED

Insider	Type	Shares	Value	Date
Robert J. Marshall Jr. (CFO and Treasurer)	TAX-W	721	$73K	2026-08-31
Kimberly Brown (Chief Accounting Officer)	TAX-W	463	$47K	2026-08-17
Ludger Dinkelborg (Head of Research and Development)	TAX-W	2,536	$256K	2026-08-17

Lantheus Holdings, Inc (LNTH) Ownership & Trading Activity

Top Institutional Holders

Recent Insider Trades