Lantheus Holdings, Inc. (LNTH) ownership: Top institutional holder: BlackRock, Inc. ($620.70M). Insider activity: Net Seller (2 buys, 18 sells). 4 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 8183193.00 | $620.70M | 2026-03-31 |
| VANGUARD GROUP INC | 6699381.00 | $445.84M | 2025-12-31 |
| FARALLON CAPITAL MANAGEMENT LLC | 5583479.00 | $423.51M | 2026-03-31 |
| JANUS HENDERSON GROUP PLC | 4774841.00 | $362.17M | 2026-03-31 |
| FMR LLC | 4626453.00 | $350.92M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3174274.00 | $240.77M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2914314.00 | $221.05M | 2026-03-31 |
| STATE STREET CORP | 2429803.00 | $184.30M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-05-14 | |
| Buy | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 |
Back to LNTH overview · LNTH earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.