Canonical: https://ownershiptrace.com/13f/companies/1171

# Who owns Lantheus Holdings, Inc. (LNTH)? Elite investor 13F holders

5 tracked elite investors reported holding Lantheus Holdings, Inc as of 2026-06-30, including Sarissa Capital, Bridgewater Associates, Gotham Asset Management, D.E. Shaw, First Eagle Investment Management. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

5 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Health Care Equipment & Services

Lantheus Holdings, Inc. develops, manufactures, and commercializes diagnostic and therapeutic products that assist clinicians in diagnosis and treatment of heart, cancer, and other diseases worldwide. The company offers DEFINITY, an injectable ultrasound enhancing agent used in echocardiography exams; TechneLite, a technetium generator for nuclear medicine procedures; Xenon-133, a…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Sarissa Capital](https://ownershiptrace.com/13f/investors/106) | LANTHEUS HLDGS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 18517994.00 USD | 166919.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/1577524/0000899140-26-000879-index.html) |
| [Bridgewater Associates](https://ownershiptrace.com/13f/investors/8) | LANTHEUS HLDGS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 7315495.00 USD | 65941.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1350694/0001350694-26-000003-index.html) |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | LANTHEUS HLDGS INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | LANTHEUS HLDGS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 2687854.00 USD | 24228.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | LANTHEUS HLDGS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 1066688.00 USD | 9615.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [First Eagle Investment Management](https://ownershiptrace.com/13f/investors/32) | LANTHEUS HLDGS INC | SHARE | 2026-06-30 | 2026-08-05 00:00:00 | 887520.00 USD | 8000.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1325447/0001325447-26-000020-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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