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Lantheus Holdings Inc.

Lantheus Holdings Inc. (LNTH) — Form SCHEDULE 13D/A: Ownership over 5% (active) (amendment)

SC 13D/ALNTHFiled Sep 23, 2026, 4:19 PM ET

About this filing

Lantheus Holdings Inc. (LNTH) filed Form SCHEDULE 13D/A (ownership over 5% (active) (amendment)) with the SEC on Sep 23, 2026. A Schedule 13D reports an investor owning more than 5% of the company who may seek to influence it.

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Not investment advice. Summaries can contain errors; the SEC filing is the official record.