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 $8.34B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Lantheus Holdings, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 408
- +23 vs. Q4 2025
- Shares held
- 72.7M
- +11.2M (+18.2%) vs. Q4 2025
- Total value
- $5.51B
- +$1.42B (+34.6%) vs. Q4 2025
- New holders
- 70
- 143 more added
- Sold out
- 47
- 132 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting LNTH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 467 | $8.34B |
| Q1 2026 | 408 | $5.51B |
| Q4 2025 | 393 | $4.62B |
| Q3 2025 | 420 | $3.66B |
| Q2 2025 | 477 | $6.63B |
| Q1 2025 | 526 | $7.58B |
| Q4 2024 | 489 | $6.69B |
| Q3 2024 | 503 | $7.72B |
| Q2 2024 | 454 | $5.49B |
| Q1 2024 | 409 | $4.19B |
| Q4 2023 | 401 | $4.31B |
| Q3 2023 | 401 | $4.90B |
| Q2 2023 | 433 | $5.71B |
| Q1 2023 | 388 | $5.54B |
| Q4 2022 | 366 | $3.36B |
| Q3 2022 | 353 | $4.74B |
| Q2 2022 | 323 | $4.44B |
| Q1 2022 | 276 | $3.67B |
| Q4 2021 | 197 | $1.87B |
| Q3 2021 | 181 | $1.62B |
| Q2 2021 | 192 | $1.77B |
| Q1 2021 | 161 | $1.31B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Lantheus Holdings, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| American Century Companies Inc | 1,781,106 | $135.1M | 0.07% | +1,012,076+131.6% | Added |
| State Street Corp | 2,429,803 | $184.3M | 0.01% | +2,549+0.1% | Added |
| Vanguard Capital Management LLC | 2,914,314 | $221.1M | 0.01% | +2,914,314 | New |
| Vanguard Portfolio Management LLC | 3,174,274 | $240.8M | 0.01% | +3,174,274 | New |
| FMR LLC | 4,626,453 | $350.9M | 0.02% | +302,927+7.0% | Added |
| Janus Henderson Group PLC | 4,774,841 | $362.2M | 0.17% | −932,406−16.3% | Reduced |
| Farallon Capital Management, L.L.C. | 5,583,479 | $423.5M | 2.51% | +156,000+2.9% | Added |
| BlackRock, Inc. | 8,183,193 | $620.7M | 0.01% | −83,221−1.0% | Reduced |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −608,526−100.0% | Sold out |
| Vestal Point Capital, LP | 0 | $0 | 0.00% | −360,000−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −115,319−100.0% | Sold out |
| Public Sector Pension Investment Board | 0 | $0 | 0.00% | −85,761−100.0% | Sold out |
| Velan Capital Investment Management LP | 0 | $0 | 0.00% | −74,687−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −38,354−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −25,984−100.0% | Sold out |
| CWA Asset Management Group, LLC | 0 | $0 | 0.00% | −25,096−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −24,336−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −24,300−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −15,619−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −15,060−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −14,747−100.0% | Sold out |
| Gallacher Capital Management LLC | 0 | $0 | 0.00% | −12,381−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −10,551−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −10,200−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −9,987−100.0% | Sold out |
| Havemeyer Place LP | 0 | $0 | 0.00% | −9,096−100.0% | Sold out |
| Voleon Capital Management LP | 0 | $0 | 0.00% | −8,745−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −8,610−100.0% | Sold out |
| Verdence Capital Advisors LLC | 0 | $0 | 0.00% | −8,455−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −7,800−100.0% | Sold out |
| Logan Capital Management Inc | 0 | $0 | 0.00% | −7,662−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −6,517−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −5,606−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −5,586−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −5,058−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −4,402−100.0% | Sold out |
| Focus Financial Network, Inc. | 0 | $0 | 0.00% | −4,256−100.0% | Sold out |
| Harbor Advisors LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Abacus Wealth Partners, LLC | 0 | $0 | 0.00% | −3,938−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −3,924−100.0% | Sold out |
| Axim Planning & Wealth | 0 | $0 | 0.00% | −3,351−100.0% | Sold out |
| LRI Investments, LLC | 0 | $0 | 0.00% | −1,982−100.0% | Sold out |
| Estate Planners Group, LLC | 0 | $0 | 0.00% | −1,184−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −1,159−100.0% | Sold out |
| Pilgrim Partners Asia Pte Ltd | 0 | $0 | 0.00% | −660−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −578−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −85−100.0% | Sold out |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Winnow Wealth LLC | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| Vermillion & White Wealth Management Group, LLC | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Pier Capital, LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Bogart Wealth, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| EMC Capital Management | – | – | – | – | Not filed |
| Motiv8 Investments LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |