LANTHEUS HLDGS INC COM is a security (CUSIP 516544103) tracked across SEC portfolio filings. 449 institutional managers reported $5.6B on Form 13F as of 2026-06-30; 44 registered fund positions totaling $368.0M via N-PORT as of 2026-05-31.
Showing 15 of 449 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BlackRock, Inc. | New York, NY | $620.7M | 8,183,193 |
| VANGUARD GROUP INC | Valley Forge, PA | $445.8M | 6,699,381 |
| FARALLON CAPITAL MANAGEMENT LLC | SAN FRANCISCO, CA | $423.5M | 5,583,479 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $362.2M | 4,774,841 |
| FMR LLC | BOSTON, MA | $350.9M | 4,626,453 |
| STATE STREET CORP | BOSTON, MA | $184.3M | 2,429,803 |
| REINHART PARTNERS, LLC. | MEQUON, WI | $177.4M | 1,599,379 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $135.1M | 1,781,106 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $134.0M | 1,765,952 |
| Swedbank AB | STOCKHOLM, V7 | $133.3M | 1,201,243 |
| MORGAN STANLEY | NEW YORK, NY | $124.9M | 1,646,463 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $104.6M | 1,379,570 |
| Carmignac Gestion | PARIS, I0 | $100.7M | 1,328,000 |
| Assenagon Asset Management S.A. | SENNINGERBERG, N4 | $79.3M | 714,980 |
| Point72 Asset Management, L.P. | Stamford, CT | $74.3M | 974,210 |
Showing 15 of 44 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $151.6M | 62.62% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $56.1M | 6.88% |
| Janus Henderson Venture Fund | JANUS INVESTMENT FUND | $34.6M | 112.87% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $33.3M | 19.02% |
| BBR ALO Fund, LLC. | BBR ALO Fund, LLC. | $15.9M | 86.48% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $13.7M | 18.32% |
| T. Rowe Price Health Sciences Fund, Inc. | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $9.3M | 8.51% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $8.1M | 16.70% |
| Columbia Mid Cap Index Fund | COLUMBIA FUNDS SERIES TRUST | $4.7M | 18.51% |
| HARTFORD SMALL CAP GROWTH HLS FUND | HARTFORD HLS SERIES FUND II INC | $3.7M | 48.61% |
| BlackRock Health Sciences Term Trust | BlackRock Health Sciences Term Trust | $3.7M | 36.19% |
| Gabelli Healthcare & WellnessRx Trust | Gabelli Healthcare & WellnessRx Trust | $3.6M | 246.12% |
| Embark Small Cap Equity Fund | Harbor Funds II | $3.3M | 58.34% |
| Fidelity Large Cap Value Enhanced Index Fund | Fidelity Commonwealth Trust II | $3.2M | 5.68% |
| VANGUARD EXPLORER FUND | VANGUARD EXPLORER FUND | $2.8M | 1.30% |