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 |
|---|---|---|---|---|---|
| Bridgewater Associates, LP | 43,720 | $3.32M | 0.01% | −122,986−73.8% | Reduced |
| Intech Investment Management LLC | 44,826 | $3.40M | 0.03% | −36,395−44.8% | Reduced |
| Rice Hall James & Associates, LLC | 46,850 | $3.55M | 0.20% | +2,202+4.9% | Added |
| Mutual of America Capital Management LLC | 49,939 | $3.79M | 0.04% | −2,249−4.3% | Reduced |
| State Board of Administration of Florida Retirement System | 51,271 | $3.89M | 0.01% | +33,668+191.3% | Added |
| Lido Advisors, LLC | 56,855 | $4.31M | 0.02% | −5,350−8.6% | Reduced |
| Man Group plc | 58,131 | $4.41M | 0.01% | −592−1.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 58,718 | $4.45M | 0.01% | −2,996−4.9% | Reduced |
| LPL Financial LLC | 59,516 | $4.51M | 0.00% | −17,437−22.7% | Reduced |
| Verition Fund Management LLC | 60,000 | $4.55M | 0.04% | −27,500−31.4% | Reduced |
| First Trust Advisors LP | 60,258 | $4.57M | 0.00% | +44,713+287.6% | Added |
| Envestnet Asset Management Inc | 60,376 | $4.58M | 0.00% | +7,572+14.3% | Added |
| Vanguard Asset Management, Ltd | 61,064 | $4.63M | 0.00% | +61,064 | New |
| SkyOak Wealth, LLC | 64,284 | $4.88M | 0.89% | +1,154+1.8% | Added |
| MetLife Investment Management | 67,088 | $5.09M | 0.03% | −1,154−1.7% | Reduced |
| Manufacturers Life Insurance Company, The | 69,181 | $5.25M | 0.00% | +2,911+4.4% | Added |
| Cambridge Investment Research Advisors, Inc. | 69,851 | $5.30M | 0.01% | −8,231−10.5% | Reduced |
| New York State Teachers Retirement System | 71,756 | $5.44M | 0.01% | −2,068−2.8% | Reduced |
| Franklin Resources Inc | 71,784 | $5.44M | 0.00% | −2,312−3.1% | Reduced |
| Colony Group, LLC | 72,517 | $5.50M | 0.01% | −5,882−7.5% | Reduced |
| LSV Asset Management | 76,400 | $5.79M | 0.01% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 77,182 | $5.85M | 0.01% | +1,400+1.8% | Added |
| California State Teachers Retirement System | 78,207 | $5.93M | 0.01% | +14,239+22.3% | Added |
| Amundi | 78,456 | $5.95M | 0.00% | −390.0% | Reduced |
| Creative Planning | 80,292 | $6.09M | 0.00% | +16,259+25.4% | Added |
| SEI Investments Co | 85,350 | $6.47M | 0.01% | +67,254+371.7% | Added |
| Stanley-Laman Group, Ltd. | 85,474 | $6.48M | 0.80% | +10,028+13.3% | Added |
| Raymond James Financial Inc | 93,077 | $7.06M | 0.00% | −15,989−14.7% | Reduced |
| Sector Gamma AS | 93,344 | $7.08M | 1.67% | −479−0.5% | Reduced |
| Legal & General Group Plc | 94,966 | $7.20M | 0.00% | −15,530−14.1% | Reduced |
| Barclays PLC | 105,136 | $7.97M | 0.00% | −39,962−27.5% | Reduced |
| AQR Capital Management LLC | 115,572 | $8.55M | 0.00% | −288,050−71.4% | Reduced |
| Wells Fargo & Company | 117,433 | $8.91M | 0.00% | −48,463−29.2% | Reduced |
| Alliancebernstein L.P. | 134,311 | $8.94M | 0.00% | +589+0.4% | Added |
| Integral Health Asset Management, LLC | 125,000 | $9.48M | 0.50% | +25,000+25.0% | Added |
| State of Wisconsin Investment Board | 126,437 | $9.59M | 0.02% | −9,994−7.3% | Reduced |
| Swiss National Bank | 131,154 | $9.95M | 0.01% | −3,000−2.2% | Reduced |
| Russell Investments Group, Ltd. | 131,544 | $9.98M | 0.01% | +57,330+77.2% | Added |
| California Public Employees Retirement System | 131,776 | $10.0M | 0.01% | +12,060+10.1% | Added |
| Assenagon Asset Management S.A. | 132,319 | $10.0M | 0.02% | +60,376+83.9% | Added |
| Fred Alger Management, LLC | 136,254 | $10.3M | 0.05% | +136,254 | New |
| Loomis Sayles & Co L P | 139,787 | $10.6M | 0.01% | −22,628−13.9% | Reduced |
| Nuveen, LLC | 146,601 | $11.1M | 0.00% | −5,215−3.4% | Reduced |
| Citigroup Inc | 160,225 | $12.2M | 0.01% | −3,581−2.2% | Reduced |
| Sarissa Capital Management LP | 166,919 | $12.7M | 8.03% | −14,531−8.0% | Reduced |
| Retirement Systems of Alabama | 174,000 | $13.2M | 0.04% | +1,710+1.0% | Added |
| Thompson Siegel & Walmsley LLC | 176,967 | $13.4M | 0.24% | −57,564−24.5% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 186,197 | $14.1M | 0.04% | −38,299−17.1% | Reduced |
| Rhumbline Advisers | 194,563 | $14.8M | 0.01% | −541−0.3% | Reduced |
| ExodusPoint Capital Management, LP | 216,322 | $16.4M | 0.16% | +216,322 | New |
| FIL Ltd | 216,669 | $16.4M | 0.01% | +1,861+0.9% | Added |
| Principal Financial Group Inc | 225,716 | $17.1M | 0.01% | −1,359−0.6% | Reduced |
| Deutsche Bank AG | 236,885 | $18.0M | 0.01% | +1,587+0.7% | Added |
| Defilade Capital Management, L.P. | 249,401 | $18.9M | 2.66% | +249,401 | New |
| Millennium Management LLC | 255,237 | $19.4M | 0.01% | +81,194+46.7% | Added |
| Victory Capital Management Inc | 269,496 | $20.4M | 0.01% | +184,855+218.4% | Added |
| Ameriprise Financial Inc | 269,945 | $20.5M | 0.00% | +45,248+20.1% | Added |
| Citadel Advisors LLC | 284,544 | $21.6M | 0.02% | −359,652−55.8% | Reduced |
| Silvercrest Asset Management Group LLC | 292,806 | $22.2M | 0.16% | −123,522−29.7% | Reduced |
| BNP Paribas Arbitrage, SA | 299,705 | $22.7M | 0.01% | −7,018−2.3% | Reduced |
| Alyeska Investment Group, L.P. | 305,549 | $23.2M | 0.07% | +305,549 | New |
| Voya Investment Management LLC | 336,987 | $25.6M | 0.03% | +296,291+728.1% | Added |
| Adage Capital Partners GP, L.L.C. | 346,755 | $26.3M | 0.04% | +346,755 | New |
| Private Capital Management, LLC | 357,644 | $27.1M | 2.76% | −201,180−36.0% | Reduced |
| Invesco Ltd. | 362,562 | $27.5M | 0.00% | −3,562−1.0% | Reduced |
| Brigade Capital Management, LP | 363,745 | $27.6M | 19.47% | +236,138+185.1% | Added |
| Longaeva Partners L.P. | 383,945 | $29.1M | 1.40% | +383,945 | New |
| William Blair Investment Management, LLC | 399,551 | $30.3M | 0.10% | −122,626−23.5% | Reduced |
| Summit Street Capital Management, LLC | 415,474 | $31.5M | 4.46% | +9,810+2.4% | Added |
| Portolan Capital Management, LLC | 417,390 | $31.7M | 1.68% | −58,399−12.3% | Reduced |
| Vanguard Fiduciary Trust Co | 458,977 | $34.8M | 0.01% | +458,977 | New |
| Bank of New York Mellon Corp | 463,751 | $35.2M | 0.01% | −5,492−1.2% | Reduced |
| Boston Partners | 470,658 | $35.7M | 0.04% | +470,658 | New |
| UBS Asset Management Americas Inc | 486,498 | $36.9M | 0.01% | −13,375−2.7% | Reduced |
| Bank of America Corp | 531,646 | $40.3M | 0.00% | −288,157−35.1% | Reduced |
| Balyasny Asset Management LLC | 539,382 | $40.9M | 0.08% | +398,601+283.1% | Added |
| Goldman Sachs Group Inc | 555,577 | $42.1M | 0.01% | +198,443+55.6% | Added |
| Jacobs Levy Equity Management, Inc | 577,645 | $43.8M | 0.18% | +395,340+216.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 598,857 | $45.4M | 0.07% | +522,678+686.1% | Added |
| Marshall Wace, LLP | 611,747 | $46.4M | 0.05% | +379,070+162.9% | Added |
| Polaris Capital Management, LLC | 617,000 | $46.8M | 3.83% | +79,000+14.7% | Added |
| Epoch Investment Partners, Inc. | 649,751 | $49.3M | 0.30% | +242,222+59.4% | Added |
| Charles Schwab Investment Management Inc | 657,413 | $49.9M | 0.01% | +14,245+2.2% | Added |
| Brown Advisory Inc | 687,607 | $52.2M | 0.09% | +687,607 | New |
| JPMorgan Chase & Co | 739,473 | $54.0M | 0.00% | +994+0.1% | Added |
| Mackenzie Financial Corp | 714,561 | $54.2M | 0.07% | +56,887+8.6% | Added |
| Wellington Management Group LLP | 768,850 | $58.3M | 0.01% | +652,476+560.7% | Added |
| Northern Trust Corp | 804,923 | $61.1M | 0.01% | +6,796+0.9% | Added |
| Deerfield Management Company, L.P. (Series C) | 827,999 | $62.8M | 0.74% | 00.0% | Unchanged |
| Nomura Asset Management International Inc. | 840,417 | $63.7M | 0.11% | −99,580−10.6% | Reduced |
| UBS Group AG | 867,675 | $65.8M | 0.01% | +471,220+118.9% | Added |
| Price T Rowe Associates Inc | 919,732 | $69.8M | 0.01% | +102,485+12.5% | Added |
| Point72 Asset Management, L.P. | 974,210 | $73.9M | 0.13% | −40,159−4.0% | Reduced |
| TD Asset Management Inc | 1,133,518 | $86.0M | 0.07% | +421,624+59.2% | Added |
| Swedbank AB | 1,228,743 | $93.2M | 0.10% | 00.0% | Unchanged |
| Carmignac Gestion | 1,328,000 | $100.7M | 1.55% | +206,000+18.4% | Added |
| Dimensional Fund Advisors LP | 1,379,570 | $104.6M | 0.02% | −35,893−2.5% | Reduced |
| Reinhart Partners, Inc. | 1,564,878 | $118.7M | 3.41% | +2,302+0.1% | Added |
| Morgan Stanley | 1,646,463 | $124.9M | 0.01% | −111,106−6.3% | Reduced |
| Geode Capital Management, LLC | 1,765,952 | $134.0M | 0.01% | +39,431+2.3% | Added |