LNTHNasdaqIn Vitro & In Vivo Diagnostic SubstancesFiscal year ends December 31
Lantheus Holdings, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$99.92+0.22 (+0.22%)
Close on Oct 19, 2026
- Market cap
- $6.75B
- P/E (TTM)
- 24.2
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
100.0%
76M of 65M shares
Institutional holders
466
97 new, 31 sold out
Net institutional buying
8M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 8,600,964 | – | 13G (passive) amendment | Dec 31, 2023 |
| Fried, Richard B | 6,023,227 | 8.80% | 13G (passive) amendment | Mar 31, 2025 |
| Luo Patrick (Cheng) | 5,583,479 | 8.60% | 13G (passive) amendment | Jun 30, 2026 |
| Gehani, Varun N. | 5,427,479 | 8.20% | 13G (passive) amendment | Dec 31, 2025 |
| Seybold, William | 5,316,227 | 7.60% | 13G (passive) amendment | Dec 31, 2024 |
| Abigail P. Johnson | 5,223,736 | 7.50% | 13G (passive) | Jun 30, 2025 |
| Janus Henderson Group PLC | 4,774,841 | 7.40% | 13G (passive) amendment | Mar 31, 2026 |
| FMR LLC | 4,399,524 | 6.50% | 13G (passive) amendment | Sep 30, 2025 |
| Giauque, Nicolas | 3,477,227 | 5.10% | 13G (passive) amendment | Sep 30, 2025 |
| Vanguard Capital Management | 3,421,414 | 5.25% | 13G (passive) | Mar 31, 2026 |
| Vanguard Portfolio Management | 3,300,293 | 5.06% | 13G (passive) | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of LNTH | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,397,642 | 12.87% | $931.63M | +214,449 | 0.01% |
| Farallon Capital Management LLC | 5,583,479 | 8.55% | $619.43M | – | 2.86% |
| Jupiter Topco LLC | 5,188,416 | 7.95% | $575.63M | New | 0.23% |
| FMR LLC | 3,879,971 | 5.94% | $430.44M | −746,482 | 0.02% |
| Vanguard Portfolio Management LLC | 3,238,471 | 4.96% | $359.28M | +64,197 | 0.02% |
| Vanguard Capital Management LLC | 2,932,214 | 4.49% | $325.30M | +17,900 | 0.01% |
| American Century Companies Inc | 2,816,547 | 4.32% | $312.47M | +1,035,441 | 0.14% |
| State Street Corp | 2,500,696 | 3.83% | $277.43M | +70,893 | 0.01% |
| Price T Rowe Associates Inc /Md/ | 1,903,354 | 2.92% | $211.16K | +983,622 | 0.02% |
| Geode Capital Management, LLC | 1,841,367 | 2.82% | $204.32M | +75,415 | 0.01% |
| Morgan Stanley | 1,726,303 | 2.64% | $191.52M | +79,840 | 0.01% |
| Reinhart Partners, LLC. | 1,599,379 | 2.45% | $177.44M | +34,501 | 4.05% |
| Dimensional Fund Advisors LP | 1,466,260 | 2.25% | $162.66M | +86,690 | 0.03% |
| Assenagon Asset Management S.A. | 1,429,960 | 2.19% | $158.64M | +1,297,641 | 0.10% |
| Citadel Advisors LLC | 1,376,480 | 2.11% | $152.71M | +1,091,936 | 0.02% |
| Carmignac Gestion | 1,340,100 | 2.05% | $148.67M | +12,100 | 1.93% |
| Swedbank AB | 1,201,243 | 1.84% | $133.27M | −27,500 | 0.11% |
| Wellington Management Group Llp | 1,013,063 | 1.55% | $112.39M | +244,213 | 0.02% |
| Brown Advisory Inc | 915,683 | 1.40% | $101.59M | +228,076 | 0.16% |
| UBS Group AG | 835,494 | 1.28% | $92.69M | −32,181 | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 466 | 76M | 100.0% | 97 / 153 | 142 / 31 | 15M | 7M |
| Q1 2026 | 407 | 73M | 100.0% | 70 / 143 | 132 / 48 | 17M | 7M |
| Q4 2025 | 392 | 69M | 100.0% | 73 / 111 | 156 / 94 | 11M | 14M |
| Q3 2025 | 418 | 72M | 100.0% | 76 / 105 | 187 / 128 | 11M | 20M |
| Q2 2025 | 475 | 81M | 100.0% | 46 / 196 | 175 / 90 | 11M | 7M |
| Q1 2025 | 524 | 78M | 100.0% | 88 / 198 | 177 / 44 | 9M | 5M |
| Q4 2024 | 487 | 75M | 100.0% | 74 / 189 | 170 / 76 | 13M | 8M |
| Q3 2024 | 500 | 71M | 100.0% | 105 / 163 | 181 / 54 | 18M | 7M |
| Q2 2024 | 453 | 69M | 100.0% | 83 / 159 | 159 / 37 | 7M | 7M |
| Q1 2024 | 409 | 69M | 100.0% | 73 / 172 | 123 / 61 | 11M | 12M |
| Q4 2023 | 401 | 71M | 100.0% | 73 / 137 | 148 / 65 | 10M | 9M |
| Q3 2023 | 400 | 71M | 100.0% | 57 / 143 | 156 / 87 | 12M | 10M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of LNTH | Value | % of fund | As of |
|---|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 2,228,445 | 3.41% | $247.22M | 0.20% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 2,065,879 | 3.17% | $229.19M | 0.01% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF | 1,918,552 | 2.94% | $190.51M | 0.70% | May 31, 2026 |
| iShares Russell 2000 ETF | 1,677,046 | 2.57% | $186.05M | 0.22% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 1,493,665 | 2.29% | $165.71M | 0.09% | Jun 30, 2026 |
| Janus Henderson Enterprise Fund | 1,132,936 | 1.74% | $125.69M | 0.56% | Jun 30, 2026 |
| Janus Henderson Triton Fund | 912,296 | 1.40% | $101.21M | 1.71% | Jun 30, 2026 |
| Vanguard Small-Cap Growth Index Fund | 860,764 | 1.32% | $95.49M | 0.20% | Jun 30, 2026 |
| Strategic Advisers Fidelity U.S. Total Stock Fund | 842,168 | 1.29% | $83.63M | 0.03% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 746,593 | 1.14% | $82.83M | 0.08% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 714,017 | 1.09% | $71.14M | 0.21% | Jul 31, 2026 |
| T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund | 664,068 | 1.02% | $73.67M | 0.75% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 603,132 | 0.92% | $66.91M | 0.43% | Jun 30, 2026 |
| Nomura Small Cap Core Fund | 534,237 | 0.82% | $53.05M | 0.96% | May 29, 2026 |
| Janus Henderson Global Life Sciences Fund | 508,445 | 0.78% | $56.41M | 0.97% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Mary Anne Heino | Executive Chair and CEO, Director | 587,968 | 0.90% | Jun 3, 2026 |
| Brian A. Markison | CEO, Director | 232,420 | 0.36% | Mar 7, 2025 |
| Robert J. Marshall Jr. | CFO and Treasurer | 122,071 | 0.19% | Sep 2, 2026 |
| Ludger Dinkelborg | See Remarks | 33,195 | 0.05% | Aug 19, 2026 |
| Kimberly Brown | Chief Accounting Officer | 13,263 | 0.02% | Aug 19, 2026 |
| Daniel Niedzwiecki | See Remarks | 117,465 | 0.18% | Apr 21, 2026 |
| Amanda Michelle Morgan | Chief Commercial Officer | 64,748 | 0.10% | Mar 9, 2026 |
| Paul Blanchfield | President | 108,214 | 0.17% | Aug 15, 2025 |
| Gerard Ber | Director | 27,118 | 0.04% | Jun 3, 2026 |
| James H. Thrall | Director | 39,881 | 0.06% | May 18, 2026 |
| Sam R. Leno | Director | 67,246 | 0.10% | May 18, 2026 |
| Julie McHugh | Director | 30,099 | 0.05% | May 18, 2026 |
| Gary J. Pruden | Director | 29,736 | 0.05% | May 18, 2026 |
| Minnie Baylor-Henry | Director | 14,034 | 0.02% | May 18, 2026 |
| Heinz Christoph Maeusli | Director | 30,014 | 0.05% | May 18, 2026 |
| Julia Marie Eastland | Director | 8,019 | 0.01% | May 18, 2026 |
| Phuong Khanh Morrow | Director | 7,237 | 0.01% | May 18, 2026 |
| Andrew J. M. Spokes | – | 6,883,227 | 10.55% | Aug 21, 2025 |
| Philip D. Dreyfuss | – | – | – | Aug 21, 2025 |
| Mark C. Wehrly | – | 3,477,227 | 5.33% | Aug 21, 2025 |
| Partners L. L. C/Ca Farallon | 10% owner | – | – | Aug 21, 2025 |
| Nicolas Giauque | – | – | – | Aug 21, 2025 |
| Patrick (Cheng) Luo | – | – | – | Aug 21, 2025 |
| Rajiv A. Patel | – | – | – | Aug 21, 2025 |
| Hannah E. Dunn | – | 6,883,227 | 10.55% | Aug 21, 2025 |
| Richard B. Fried | – | – | – | Aug 21, 2025 |
| Daniel S. Short | – | – | – | Aug 21, 2025 |
| William Seybold | – | – | – | Aug 21, 2025 |
| Edric C. Saito | – | – | – | Aug 21, 2025 |
| John R. Warren | – | – | – | Aug 21, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Robert J. Marshall Jr. CFO and Treasurer | Aug 31, 2026 | Tax withholding | −721 | $100.96 | $72.79K | 122,071 |
| Kimberly Brown Chief Accounting Officer | Aug 17, 2026 | Tax withholding | −463 | $100.91 | $46.72K | 13,263 |
| Ludger Dinkelborg See Remarks | Aug 17, 2026 | Tax withholding | −2,536 | $100.91 | $255.91K | 33,195 |
| Gerard Ber Director | May 14, 2026 | Tax withholding | −381 | $96.67 | $36.83K | 27,118 |
| Mary Anne Heino Executive Chair and CEO, Director | May 14, 2026 | Tax withholding | −1,227 | $96.67 | $118.61K | 321,897 |
| Sam R. Leno Director | May 14, 2026 | Award | +4,137 | – | – | 67,246 |
| Julie McHugh Director | May 14, 2026 | Award | +4,137 | – | – | 30,099 |
| Gerard Ber Director | May 14, 2026 | Award | +4,137 | – | – | 27,499 |
| Gary J. Pruden Director | May 14, 2026 | Award | +4,137 | – | – | 6,674 |
| Phuong Khanh Morrow Director | May 14, 2026 | Award | +4,137 | – | – | 7,237 |
| Minnie Baylor-Henry Director | May 14, 2026 | Award | +4,137 | – | – | 14,018 |
| Heinz Christoph Maeusli Director | May 14, 2026 | Award | +4,137 | – | – | 30,014 |
| James H. Thrall Director | May 14, 2026 | Award | +4,137 | – | – | 39,881 |
| Julia Marie Eastland Director | May 14, 2026 | Award | +4,137 | – | – | 8,019 |
| Daniel Niedzwiecki See Remarks | Apr 17, 2026 | Tax withholding | −1,911 | $83.82 | $160.18K | 117,465 |
| Daniel Niedzwiecki See Remarks | Mar 5, 2026 | Tax withholding | −1,283 | $76.31 | $97.91K | 119,376 |
| Daniel Niedzwiecki See Remarks | Mar 5, 2026 | Award | +36,692 | – | – | 120,659 |
| Robert J. Marshall Jr. CFO and Treasurer | Mar 5, 2026 | Tax withholding | −1,182 | $76.31 | $90.20K | 122,792 |
| Robert J. Marshall Jr. CFO and Treasurer | Mar 5, 2026 | Award | +38,002 | – | – | 123,974 |
| Ludger Dinkelborg See Remarks | Mar 5, 2026 | Award | +20,966 | – | – | 35,731 |
| Amanda Michelle Morgan Chief Commercial Officer | Mar 5, 2026 | Award | +26,208 | – | – | 64,748 |
| Amanda Michelle Morgan Chief Commercial Officer | Mar 5, 2026 | Tax withholding | −595 | $76.31 | $45.40K | 64,153 |
| Kimberly Brown Chief Accounting Officer | Mar 5, 2026 | Award | +6,158 | – | – | 13,859 |
| Kimberly Brown Chief Accounting Officer | Mar 5, 2026 | Tax withholding | −133 | $76.31 | $10.15K | 13,726 |
| Robert J. Marshall Jr. CFO and Treasurer | Mar 2, 2026 | Tax withholding | −10,652 | $76.30 | $812.75K | 85,972 |
| Robert J. Marshall Jr. CFO and Treasurer | Mar 2, 2026 | Award | +8,491 | – | – | 96,624 |
| Daniel Niedzwiecki See Remarks | Mar 2, 2026 | Tax withholding | −8,259 | $76.30 | $630.16K | 83,967 |
| Daniel Niedzwiecki See Remarks | Mar 2, 2026 | Award | +5,169 | – | – | 92,226 |
| Mary Anne Heino Executive Chair and CEO, Director | Mar 2, 2026 | Award | +32,105 | – | – | 365,040 |
| Mary Anne Heino Executive Chair and CEO, Director | Mar 2, 2026 | Tax withholding | −41,916 | $76.30 | $3.20M | 323,124 |
| Amanda Michelle Morgan Chief Commercial Officer | Mar 2, 2026 | Tax withholding | −3,336 | $76.30 | $254.54K | 38,540 |
| Amanda Michelle Morgan Chief Commercial Officer | Mar 2, 2026 | Award | +2,782 | – | – | 41,876 |
| Amanda Michelle Morgan Chief Commercial Officer | Dec 15, 2025 | Tax withholding | −368 | $66.57 | $24.50K | 39,094 |
| Mary Anne Heino Executive Chair, Director | Nov 17, 2025 | Award | +14,285 | – | – | 332,935 |
| Robert J. Marshall Jr. CFO and Treasurer | Aug 29, 2025 | Tax withholding | −727 | $54.90 | $39.91K | 88,133 |
| Joshua J. Dapice – | Aug 20, 2025 | Sale | −3,365,000 | $56.15 | $188.94M | 3,477,227 |
| Mark C. Wehrly – | Aug 20, 2025 | Sale | −3,365,000 | $56.15 | $188.94M | 3,477,227 |
| Joshua J. Dapice – | Aug 19, 2025 | Sale | −41,000 | $55.34 | $2.27M | 6,842,227 |
| Mark C. Wehrly – | Aug 19, 2025 | Sale | −41,000 | $55.34 | $2.27M | 6,842,227 |
| Ludger Dinkelborg See Remarks | Aug 15, 2025 | Award | +14,765 | – | – | 14,765 |
| Kimberly Brown Chief Accounting Officer | Aug 15, 2025 | Tax withholding | −463 | $54.18 | $25.09K | 7,701 |
| Paul Blanchfield President | Aug 13, 2025 | Sale(10b5-1 plan) | −3,060 | $53.57 | $163.92K | 108,214 |
| Paul Blanchfield President | Jul 15, 2025 | Tax withholding | −518 | $81.26 | $42.09K | 111,274 |
| Daniel Niedzwiecki See Remarks | Jun 13, 2025 | Sale(10b5-1 plan) | −6,000 | $78.74 | $472.44K | 87,057 |
| Julie McHugh Director | Jun 9, 2025 | Sale(10b5-1 plan) | −5,192 | $81.62 | $423.77K | 25,962 |
| Robert J. Marshall Jr. CFO and Treasurer | Jun 9, 2025 | Option exercise | +14,773 | $49.93 | $737.62K | 128,633 |
| Robert J. Marshall Jr. CFO and Treasurer | Jun 9, 2025 | Sale(10b5-1 plan) | −27,036 | $83.40 | $2.25M | 88,860 |
| Robert J. Marshall Jr. CFO and Treasurer | Jun 9, 2025 | Sale(10b5-1 plan) | −9,243 | $82.50 | $762.55K | 115,896 |
| Robert J. Marshall Jr. CFO and Treasurer | Jun 9, 2025 | Sale(10b5-1 plan) | −3,494 | $81.27 | $283.96K | 125,139 |
| Daniel Niedzwiecki See Remarks | Jun 5, 2025 | Sale(10b5-1 plan) | −6,000 | $79.65 | $477.90K | 93,057 |
| Paul Blanchfield President | Jun 5, 2025 | Sale(10b5-1 plan) | −6,599 | $79.65 | $525.61K | 111,792 |
| Mary Anne Heino Director | Jun 2, 2025 | Sale(10b5-1 plan) | −3,140 | $74.90 | $235.19K | 341,576 |
| Mary Anne Heino Director | Jun 2, 2025 | Sale(10b5-1 plan) | −22,926 | $77.09 | $1.77M | 318,650 |
| Mary Anne Heino Director | May 27, 2025 | Gift | −179,300 | – | – | 40,434 |
| Mary Anne Heino Director | May 27, 2025 | Gift | +179,300 | – | – | 179,300 |
| Gary J. Pruden Director | May 15, 2025 | Gift | +2,635 | – | – | 14,613 |
| Gary J. Pruden Director | May 15, 2025 | Gift | −2,635 | – | – | 2,537 |
| Julia Marie Eastland Director | May 14, 2025 | Award | +2,537 | – | – | 3,882 |
| Minnie Baylor-Henry Director | May 14, 2025 | Award | +2,537 | – | – | 9,881 |
| Gary J. Pruden Director | May 14, 2025 | Award | +2,537 | – | – | 5,172 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Paul Blanchfield Former Officer | Feb 2, 2026 | 6,713 | $449.57K | Feb 2, 2026 | Restricted Stock Vesting |
| Paul Blanchfield Former Officer | Jan 6, 2026 | 7,217 | $501.80K | Jan 6, 2026 | Option Granted - 03/01/2024 |
| Paul Blanchfield Officer | Dec 12, 2025 | 3,265 | $218.15K | Dec 12, 2025 | Restricted Stock Vesting |
| Paul Blanchfield Former Officer | Nov 26, 2025 | 11,776 | $686.66K | Nov 26, 2025 | Options Granted - 03/03/2022 |
| Paul Blanchfield Former Officer | Nov 14, 2025 | 16,530 | $871.11K | Nov 14, 2025 | ESPP Purchase |
| Paul Blanchfield Officer | Aug 13, 2025 | 3,060 | $163.92K | Aug 13, 2025 | ESPP Purchase |
| Daniel Niedzwiecki Officer | Jun 13, 2025 | 6,000 | $472.44K | Jun 13, 2025 | Restricted Stock Vesting |
| Julie McHugh Director | Jun 9, 2025 | 5,192 | $423.77K | Jun 9, 2025 | Restricted Stock Vesting |
| Robert J. Marshall Jr. Officer | Jun 9, 2025 | 39,773 | $3.25M | Jun 9, 2025 | Restricted Stock Vesting |
| Paul Blanchfield Officer | Jun 5, 2025 | 6,599 | $525.61K | Jun 5, 2025 | Restricted Stock Vesting |
| Mary Anne Heino Director | Jun 5, 2025 | 26,066 | $2.00M | Jun 2, 2025 | RSA Award |
| Daniel Niedzwiecki Officer | Jun 5, 2025 | 6,000 | $477.90K | Jun 5, 2025 | Restricted Stock Vesting |
| Robert J. Marshall Jr. Officer | Mar 17, 2025 | 10,000 | $1.01M | Mar 17, 2025 | Restricted Stock Vesting |
| Paul Blanchfield Officer | Mar 5, 2025 | 2,084 | $204.23K | Mar 5, 2025 | Restricted Stock Vesting |
| Mary Anne Heino Officer, Director | Feb 28, 2025 | 53,200 | $4.84M | Mar 3, 2025 | RSU Award |