| SC 13G/A | 2021-02-04 | WELLINGTON MANAGEMENT GROUP LLP | Lantheus Holdings, Inc. | 6,748,734 | 10.1% | EDGAR |
| SC 13G | 2021-02-03 | WELLINGTON TRUST Co N A | Lantheus Holdings, Inc. | 3,394,615 | 5.1% | EDGAR |
| SC 13G | 2021-01-25 | BlackRock Inc. | Lantheus Holdings, Inc. | 10,291,302 | 15.4% | EDGAR |
| SC 13D/A | 2020-06-23 | Lantheus Holdings, Inc. | PROGENICS PHARMACEUTICALS INC | 1,000 | 100.0% | EDGAR |
| SC 13G | 2020-05-26 | ARMISTICE CAPITAL, LLC | Lantheus Holdings, Inc. | 2,000,000 | 5.0% | EDGAR |
| SC 13D | 2020-04-23 | Lantheus Holdings, Inc. | PROGENICS PHARMACEUTICALS INC | 8,011,733 | 9.3% | EDGAR |
| SC 13G | 2020-04-09 | WELLINGTON MANAGEMENT GROUP LLP | Lantheus Holdings, Inc. | 4,500,958 | 11.3% | EDGAR |
| SC 13G | 2020-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | Lantheus Holdings, Inc. | 3,183,805 | 8.1% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | Lantheus Holdings, Inc. | 2,863,926 | 7.3% | EDGAR |
| SC 13G/A | 2020-02-04 | BlackRock Inc. | Lantheus Holdings, Inc. | 6,058,429 | 15.4% | EDGAR |
| SC 13G/A | 2020-01-29 | WELLINGTON TRUST Co N A | Lantheus Holdings, Inc. | 1,436,193 | 3.7% | EDGAR |
| SC 13G/A | 2020-01-27 | WELLINGTON MANAGEMENT GROUP LLP | Lantheus Holdings, Inc. | 1,579,773 | 4.0% | EDGAR |
| SC 13G/A | 2019-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | Lantheus Holdings, Inc. | 1,737,500 | 4.5% | EDGAR |
| SC 13G/A | 2019-02-12 | WELLINGTON MANAGEMENT GROUP LLP | Lantheus Holdings, Inc. | 2,674,989 | 7.0% | EDGAR |
| SC 13G/A | 2019-02-12 | VANGUARD GROUP INC | Lantheus Holdings, Inc. | 2,362,948 | 6.1% | EDGAR |
| SC 13G | 2019-02-12 | WELLINGTON TRUST Co N A | Lantheus Holdings, Inc. | 2,468,709 | 6.4% | EDGAR |
| SC 13G/A | 2019-01-31 | BlackRock Inc. | Lantheus Holdings, Inc. | 5,540,296 | 14.4% | EDGAR |
| SC 13G/A | 2018-06-11 | PRICE T ROWE ASSOCIATES INC /MD/ | Lantheus Holdings, Inc. | 2,962,755 | 7.7% | EDGAR |
| SC 13G/A | 2018-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | Lantheus Holdings, Inc. | 4,839,949 | 12.9% | EDGAR |
| SC 13G/A | 2018-02-12 | Avista Capital Partners GP, LLC | Lantheus Holdings, Inc. | 0 | 0.0% | EDGAR |