Who owns Lantheus Holdings, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of LNTH from SEC Form 13F filings across 466 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.
As of the 2026-06-30 reporting period, 466 institutions disclosed 75.2M shares of Lantheus Holdings, Inc. worth $8.34B — about 115.5% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
466
13F holders
$8.34B
value, 2026 filers
115.5%
of shares outstanding (75.2M sh)
102
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 | FARALLON CAPITAL MANAGEMENT, L.L.C. | 5.6M | $619.4M | 2.9% | 8.6% | 0.0% |
| 3 | Jupiter Topco LLCNEW | 5.2M | $575.6M | 0.2% | 8% | new |
| 4 | FMR LLC | 3.9M | $430.4M | 0.0% | 6% | -16.1% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.2M | $359.3M | 0.0% | 5% | +2.0% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.9M | $325.3M | 0.0% | 4.5% | +0.6% |
| 7 | AMERICAN CENTURY COMPANIES INC | 2.8M | $312.5M | 0.1% | 4.3% | +58.1% |
| 8 | STATE STREET CORP | 2.5M | $277.4M | 0.0% | 3.8% | +2.9% |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | 1.9M | $211.2M | 0.0% | 2.9% | +106.9% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1.8M | $204.3M | 0.0% | 2.8% | +4.3% |
| 11 | MORGAN STANLEY | 1.7M | $191.5M | 0.0% | 2.6% | +4.8% |
| 12 | REINHART PARTNERS, LLC. | 1.6M | $177.4M | 4.1% | 2.5% | +2.2% |
| 13 | DIMENSIONAL FUND ADVISORS LP | 1.5M | $162.7M | 0.0% | 2.3% | +6.3% |
| 14 | CITADEL ADVISORS LLC | 1.4M | $152.7M | 0.0% | 2.1% | +383.7% |
| 15 | Carmignac GestionNEW | 1.3M | $148.7M | 1.9% | 2.1% | new |
| 16 | Swedbank AB | 1.2M | $133.3M | 0.1% | 1.8% | -2.2% |
| 17 | WELLINGTON MANAGEMENT GROUP LLP | 1.0M | $112.4M | 0.0% | 1.6% | +31.8% |
| 18 | BROWN ADVISORY INC | 915,683 | $101.6M | 0.2% | 1.4% | +33.2% |
| 19 | UBS Group AG | 835,494 | $92.7M | 0.0% | 1.3% | -3.7% |
| 20 | NORTHERN TRUST CORP | 818,394 | $90.8M | 0.0% | 1.3% | +1.7% |
| 21 | GOLDMAN SACHS GROUP INC | 814,096 | $90.3M | 0.0% | 1.2% | +46.5% |
| 22 | MARSHALL WACE, LLP | 773,978 | $85.9M | 0.1% | 1.2% | +26.5% |
| 23 | DEERFIELD MANAGEMENT COMPANY, L.P. | 752,999 | $83.5M | 0.9% | 1.2% | -9.1% |
| 24 | Assenagon Asset Management S.A. | 714,980 | $79.3M | 0.1% | 1.1% | +440.3% |
| 25 | JACOBS LEVY EQUITY MANAGEMENT, INC | 699,583 | $77.6M | 0.3% | 1.1% | +21.1% |
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.