Who owns Lantheus Holdings, Inc.?
Institutional ownership of LNTH from SEC Form 13F filings across 293 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
293
13F holders
$6.04B
value, 2026 filers
87.1%
of shares outstanding (56.7M sh)
51
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of LNTH's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 8.4M | $931.6M | 0.0% | 12.9% | +2.6% |
| 2 | Jupiter Topco LLCNEW | 5.2M | $575.6M | 0.2% | 8% | new |
| 3 | FMR LLC | 3.9M | $430.4M | 0.0% | 6% | -16.1% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.2M | $359.3M | 0.0% | 5% | +2.0% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2.9M | $325.3M | 0.0% | 4.5% | -49.7% |
| 6 | AMERICAN CENTURY COMPANIES INC | 2.8M | $312.5M | 0.1% | 4.3% | +58.1% |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | 1.9M | $211,159 | 0.0% | 2.9% | +106.9% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.8M | $204.3M | 0.0% | 2.8% | +4.3% |
| 9 | MORGAN STANLEY | 1.7M | $191.5M | 0.0% | 2.7% | +4.8% |
| 10 | CITADEL ADVISORS LLC | 1.4M | $152.7M | 0.0% | 2.1% | +383.7% |
| 11 | Carmignac GestionNEW | 1.3M | $148.7M | 1.9% | 2.1% | new |
| 12 | Swedbank AB | 1.2M | $133.3M | 0.1% | 1.8% | -2.2% |
| 13 | WELLINGTON MANAGEMENT GROUP LLP | 1.0M | $112.4M | 0.0% | 1.6% | +31.8% |
| 14 | BROWN ADVISORY INC | 915,683 | $101.6M | 0.2% | 1.4% | +33.2% |
| 15 | UBS Group AG | 835,494 | $92.7M | 0.0% | 1.3% | -3.7% |
| 16 | NORTHERN TRUST CORP | 818,394 | $90.8M | 0.0% | 1.3% | +1.7% |
| 17 | GOLDMAN SACHS GROUP INC | 814,096 | $90.3M | 0.0% | 1.3% | +46.5% |
| 18 | MARSHALL WACE, LLP | 773,978 | $85.9M | 0.1% | 1.2% | +26.5% |
| 19 | Assenagon Asset Management S.A. | 714,980 | $79.3M | 0.1% | 1.1% | +440.3% |
| 20 | JPMORGAN CHASE & CO | 699,229 | $77.0M | 0.0% | 1.1% | -5.4% |
| 21 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 671,042 | $74.4M | 0.1% | 1% | -20.2% |
| 22 | Sixth Street Partners Management Company, L.P.NEW | 665,457 | $73.8M | 12.7% | 1% | new |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 665,457 | $73.8M | 0.0% | 1% | +1.2% |
| 24 | TD Asset Management Inc | 653,736 | $72.5M | 0.1% | 1% | -42.3% |
| 25 | Point72 Asset Management, L.P. | 629,806 | $69.9M | 0.1% | 1% | -35.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.