Lantheus Holdings Inc (LNTH)
Who owns Lantheus Holdings Inc (LNTH)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 89.6% of the shares are freely tradable; institutional investors hold 115.5%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 12.57 | 8,183,193 | -1.0 | 03/31/2026 |
| Vanguard Group Inc | 10.29 | 6,699,381 | -3.6 | 12/31/2025 |
| Farallon Capital Management, L.L.C. | 8.58 | 5,583,479 | +2.9 | 03/31/2026 |
| HHG PLC | 7.33 | 4,774,841 | -16.3 | 03/31/2026 |
| FMR Inc | 7.11 | 4,626,453 | +7.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.88 | 3,174,274 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.48 | 2,914,314 | +0.0 | 03/31/2026 |
| State Street Corp | 3.73 | 2,429,803 | +0.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.46 | 2,249,597 | +0.0 | 05/29/2026 |
| Vanguard Total Stock Mkt Idx Inv | 3.16 | 2,060,384 | +0.3 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.