Security record · archived quarter
LNTH
Lantheus Holdings, Inc. · Healthcare · Drug Manufacturers - Specialty & Generic
126Tracked holders
+6Δ holders
62.19MShares held
$3.90BReported value
+10New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +5.0% ·
share flow +11.0% ·
net new positions +4.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 129 | +5 | 56.22M | $5.58B | +13 | −7 |
| Q1 2026 | 126 | +6 | 62.19M | $3.90B | +10 | −5 |
| Q4 2025 | 120 | -2 | 60.97M | $3.47B | +2 | −3 |
| Q3 2025 | 20 | +2 | 33.16M | $1.70B | +2 | −1 |
| Q2 2025 | 16 | -2 | 29.15M | $2.39B | +1 | −3 |
| Q1 2025 | 15 | 0 | 7.80M | $761.04M | — | — |
| Q4 2024 | 15 | 0 | 6.76M | $604.90M | +2 | −2 |
| Q3 2024 | 14 | 0 | 4.84M | $531.32M | +1 | −1 |
| Q2 2024 | 14 | — | 5.72M | $459.02M | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 8.18M | -1.0% | $620.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 17 | Janus Henderson Group Plc | 4.77M | -16.3% | $362.17M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 18 | Janus Henderson Group Plc | 4.77M | -16.3% | $362.17M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 19 | Janus Henderson Group Plc | 4.77M | -16.3% | $362.17M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 20 | Janus Henderson Group Plc | 4.77M | -16.3% | $362.17M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 21 | Janus Henderson Group Plc | 4.77M | -16.3% | $362.17M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 22 | Fidelity (FMR) ✦ | 4.63M | +7.0% | $350.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 4.63M | +7.0% | $350.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 4.63M | +7.0% | $350.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 4.63M | +7.0% | $350.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 4.63M | +7.0% | $350.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | Vanguard Capital Management Llc | 2.91M | — | $221.05M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | State Street Global Advisors ✦ (passive) | 2.43M | +0.1% | $184.30M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 29 | State Street Global Advisors ✦ (passive) | 2.43M | +0.1% | $184.30M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 30 | American Century Companies Inc | 1.78M | +131.6% | $135.10M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 1.77M | +2.3% | $133.97M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 32 | Geode Capital Management ✦ (passive) | 1.77M | +2.3% | $133.97M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 33 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 34 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 35 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 1.65M | -6.3% | $124.88M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 47 | Dimensional Fund Advisors Lp | 1.38M | -2.5% | $104.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 48 | Dimensional Fund Advisors Lp | 1.38M | -2.5% | $104.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 49 | Dimensional Fund Advisors Lp | 1.38M | -2.5% | $104.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | Dimensional Fund Advisors Lp | 1.38M | -2.5% | $104.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 51 | Dimensional Fund Advisors Lp | 1.38M | -2.5% | $104.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | Swedbank AB | 1.23M | 0.0% | $93.20M | 0.1% | Held | 2 | SEC ↗ |
| 53 | Td Asset Management Inc | 1.13M | +59.2% | $85.98M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 54 | Point72 Asset Management ✦ | 974.21K | -4.0% | $73.89M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 55 | T. Rowe Price ✦ | 919.73K | +12.5% | $69.76M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 56 | T. Rowe Price ✦ | 919.73K | +12.5% | $69.76M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 57 | UBS Group AG | 867.67K | +118.9% | $65.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | UBS Group AG | 867.67K | +118.9% | $65.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | UBS Group AG | 867.67K | +118.9% | $65.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | UBS Group AG | 867.67K | +118.9% | $65.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Nomura Asset Management… | 840.42K | -10.6% | $63.75M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 62 | Nomura Asset Management… | 840.42K | -10.6% | $63.75M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 63 | Northern Trust Corp | 804.92K | +0.8% | $61.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Northern Trust Corp | 804.92K | +0.8% | $61.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Northern Trust Corp | 804.92K | +0.8% | $61.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | Northern Trust Corp | 804.92K | +0.8% | $61.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Northern Trust Corp | 804.92K | +0.8% | $61.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Northern Trust Corp | 804.92K | +0.8% | $61.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Northern Trust Corp | 804.92K | +0.8% | $61.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 70 | Wellington Management ✦ | 768.85K | +560.7% | $58.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 71 | Wellington Management ✦ | 768.85K | +560.7% | $58.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 72 | Wellington Management ✦ | 768.85K | +560.7% | $58.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 73 | Wellington Management ✦ | 768.85K | +560.7% | $58.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 74 | Wellington Management ✦ | 768.85K | +560.7% | $58.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 75 | Wellington Management ✦ | 768.85K | +560.7% | $58.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 76 | Wellington Management ✦ | 768.85K | +560.7% | $58.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 77 | Wellington Management ✦ | 768.85K | +560.7% | $58.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 78 | Wellington Management ✦ | 768.85K | +560.7% | $58.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 79 | Mackenzie Financial Corp | 714.56K | +8.7% | $54.20M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 80 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 83 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | JPMorgan Chase ✦ | 739.47K | +0.1% | $54.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Brown Advisory Inc | 687.61K | New | $52.15M | 0.1% | New | 1 | SEC ↗ |
| 93 | Brown Advisory Inc | 687.61K | New | $52.15M | 0.1% | New | 1 | SEC ↗ |
| 94 | Brown Advisory Inc | 687.61K | New | $52.15M | 0.1% | New | 1 | SEC ↗ |
| 95 | Charles Schwab Investment… | 657.41K | +2.2% | $49.86M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | Marshall Wace ✦ | 611.75K | +162.9% | $46.40M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 97 | Marshall Wace ✦ | 611.75K | +162.9% | $46.40M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 98 | Marshall Wace ✦ | 611.75K | +162.9% | $46.40M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 99 | Marshall Wace ✦ | 611.75K | +162.9% | $46.40M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 100 | Healthcare Of Ontario Pension Plan… | 598.86K | +686.1% | $45.42M | 0.1% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Brown Advisory Inc | $52.15M | 0.1% |
| Brown Advisory Inc | $52.15M | 0.1% |
| Brown Advisory Inc | $52.15M | 0.1% |
Exited
| Norges Bank | $76.20M | was 0.0% |
| Canada Pension Plan… | $678,810 | was 0.0% |
| Allianz Asset Management GmbH | $373,079 | was 0.0% |
| Cerity Partners LLC | $292,953 | was 0.0% |
| Danske Bank A/S | $39,930 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 401 holders, 70.59M shares, $5.23B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 13
SC 13G/A — FARALLON CAPITAL MANAGEMENT, L.L.C.
Jul 31
SC 13G — VANGUARD PORTFOLIO MANAGEMENT LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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