Lantheus Holdings, Inc.
LNTH- Exchange
- Nasdaq
- Industry
- In Vitro & In Vivo Diagnostic Substances
- SEC CIK
- 0001521036
No open-market purchases or sales by Lantheus Holdings, Inc. insiders were filed in the last 90 days; 467 institutions reported holding it in 13F filings for Q2 2026, worth $8.43B in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +64 vs. previous quarter
- 467
- 13F valueReported value at the end of Q2 2026
- $8.43B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding LNTH, Q2 2026
No superinvestor reported holding LNTH at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Lantheus Holdings, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 21, 2025 (view filing)5:27 PM ET | Aug 19-20 | 2 days | Wehrly Mark C and 7 othersOther: Member of a Group Owning 10% | SSale | −3.41M | $56.14 | −$191.2M | −49.5%3.48M after | 2 lotsDuplicate filing |
| Aug 21, 2025 (view filing)5:27 PM ET | Aug 19-20 | 2 days | Farallon Partners L L C and 9 others10% Owner, Other: Member of a Group Owning 10% | SSale | −3.41M | $56.14 | −$191.2M | −49.5%3.48M after | 2 lots |
| Aug 15, 2025 (view filing) | Aug 13 | 2 days | Blanchfield PaulPresident | SSale | −3.06K | $53.57 | −$163.9K | −2.7%108.2K after | 10b5-1 |
| Jun 17, 2025 (view filing) | Jun 13 | 4 days | Niedzwiecki DanielSee Remarks | SSale | −6.00K | $78.74 | −$472.4K | −6.4%87.1K after | 10b5-1 |
| Jun 11, 2025 (view filing) | Jun 9 | 2 days | McHugh JulieDirector | SSale | −5.19K | $81.62 | −$423.8K | −16.7%26.0K after | 10b5-1 |
| Jun 11, 2025 (view filing) | Jun 9 | 2 days | Marshall Robert J. Jr.CFO and Treasurer | SSale | −39.8K | $83.00 | −$3.30M | −30.9%88.9K after | 3 lots10b5-1 |
| Jun 9, 2025 (view filing) | Jun 5 | 4 days | Blanchfield PaulPresident | SSale | −6.60K | $79.65 | −$525.6K | −5.6%111.8K after | 10b5-1 |
| Jun 9, 2025 (view filing) | Jun 5 | 4 days | Niedzwiecki DanielSee Remarks | SSale | −6.00K | $79.65 | −$477.9K | −6.1%93.1K after | 10b5-1 |
| Jun 4, 2025 (view filing) | Jun 2 | 2 days | Heino Mary AnneDirector | SSale | −26.1K | $76.83 | −$2.00M | −7.6%318.6K after | 2 lots10b5-1 |
| Mar 19, 2025 (view filing) | Mar 17 | 2 days | Marshall Robert J. Jr.CFO and Treasurer | SSale | −10.0K | $100.52 | −$1.01M | −8.1%113.9K after | 10b5-1 |
Top 10 13F holders, Q2 2026
The largest institutional positions in Lantheus Holdings, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,397,642 | $931.6M | 0.01% | +214,449+2.6% | Added |
| Farallon Capital Management, L.L.C. | 5,583,479 | $619.4M | 3.63% | 00.0% | Unchanged |
| Jupiter Topco LLC | 5,188,416 | $575.6M | 0.23% | +5,188,416 | New |
| FMR LLC | 3,879,971 | $430.4M | 0.02% | −746,482−16.1% | Reduced |
| Vanguard Portfolio Management LLC | 3,238,471 | $359.3M | 0.02% | +64,197+2.0% | Added |
| Vanguard Capital Management LLC | 2,932,214 | $325.3M | 0.01% | +17,900+0.6% | Added |
| American Century Companies Inc | 2,816,547 | $312.5M | 0.14% | +1,035,441+58.1% | Added |
| State Street Corp | 2,500,696 | $277.4M | 0.01% | +70,893+2.9% | Added |
| Price T Rowe Associates Inc | 1,903,354 | $211.2M | 0.02% | +983,622+106.9% | Added |
| Geode Capital Management, LLC | 1,841,367 | $204.3M | 0.01% | +75,415+4.3% | Added |