Lantheus Holdings, Inc. - LNTH
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Mar 27, 2026 | SCHEDULE 13G/A | The Vanguard Group | 0.0% | 0 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | JANUS HENDERSON GROUP PLC | 8.6% | 5,707,247 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Capital Partners, L.P. | 0.6% | 420,581 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Capital Institutional Partners, L.P. | 0.7% | 495,662 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Capital Institutional Partners II, L.P. | 0.2% | 99,754 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Capital Institutional Partners III, L.P. | 0.1% | 58,265 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Four Crossings Institutional Partners V, L.P. | 0.1% | 88,798 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Capital Offshore Investors II, L.P. | 1.5% | 968,900 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Capital (AM) Investors, L.P. | 0.1% | 60,808 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Capital F5 Master I, L.P. | 0.2% | 145,543 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Healthcare Partners Master, L.P. | 4.7% | 3,089,168 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Partners, L.L.C. | 8.0% | 5,281,936 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Institutional (GP) V, L.L.C. | 0.1% | 88,798 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon F5 (GP), L.L.C. | 0.2% | 145,543 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Farallon Healthcare Partners (GP), L.L.C. | 4.7% | 3,089,168 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Dapice Joshua J. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Dreyfuss, Philip D. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Dunn Hannah E. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Fried, Richard B | 0.0% | 0 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Gehani, Varun N. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Giauque, Nicolas | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Husen, Avner A. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Kim, David T. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Linn, Michael G. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Luo Patrick (Cheng) | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Patel, Rajiv A. | 0.0% | 0 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Roberts, Jr., Thomas G. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Saito Edric C. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Seybold, William | 0.0% | 0 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Short Daniel S. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Spokes, Andrew J. M. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Warren, John R. | 8.2% | 5,427,479 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | Wehrly, Mark C. | 8.2% | 5,427,479 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | JANUS HENDERSON GROUP PLC | 9.8% | 6,684,737 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Capital Partners, L.P. | 0.4% | 278,896 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Capital Institutional Partners, L.P. | 0.5% | 328,036 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Capital Institutional Partners II, L.P. | 0.1% | 65,713 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Capital Institutional Partners III, L.P. | 0.1% | 38,741 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Four Crossings Institutional Partners V, L.P. | 0.1% | 59,044 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Capital Offshore Investors II, L.P. | 0.9% | 642,399 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Capital (AM) Investors, L.P. | 0.1% | 40,413 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Capital F5 Master I, L.P. | 0.1% | 95,647 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Healthcare Partners Master, L.P. | 2.8% | 1,928,338 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Partners, L.L.C. | 5.0% | 3,381,580 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Institutional (GP) V, L.L.C. | 0.1% | 59,044 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon F5 (GP), L.L.C. | 0.1% | 95,647 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Farallon Healthcare Partners (GP), L.L.C. | 2.8% | 1,928,338 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Dapice Joshua J. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Dreyfuss, Philip D. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Dunn Hannah E. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Fried, Richard B | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Gehani, Varun N. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Giauque, Nicolas | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Kim, David T. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Linn, Michael G. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Luo Patrick (Cheng) | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Patel, Rajiv A. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Roberts, Jr., Thomas G. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Saito Edric C. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Seybold, William | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Short Daniel S. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Spokes, Andrew J. M. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Warren, John R. | 5.1% | 3,477,227 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | Wehrly, Mark C. | 5.1% | 3,477,227 | View |
| Nov 07, 2025 | SCHEDULE 13G | Morgan Stanley | 5.6% | 3,777,712 | View |
| Nov 07, 2025 | SCHEDULE 13G | Morgan Stanley Capital Services LLC | 5.2% | 3,552,266 | View |
| Nov 05, 2025 | SCHEDULE 13G/A | FMR LLC | 6.5% | 4,399,524 | View |
| Nov 05, 2025 | SCHEDULE 13G/A | Abigail P. Johnson | 6.5% | 4,399,524 | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.