13F Insight
DOSSIER · 13F Holders · Q2 2026Healthcare · In Vitro & In Vivo Diagnostic Substances
LNTH

LANTHEUS HLDGS INC

477 institutions still hold LANTHEUS HLDGS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 516544103·In Vitro & In Vivo Diagnostic Substances·477 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$5.8B
visible holders
Holders
477
filers reporting
Concentration
15.98%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

477 institutions reported LNTH in Q2 2026. BlackRock, Inc. leads at 16.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$932M8.4M0.01%Q2 202602
FARALLON CAPITAL MANAGEMENT LLC
CIK 0000909661
$619M5.6M2.86%Q2 202603
Jupiter Topco LLC
CIK 0002146052
$576M5.2M0.23%Q2 202604
FMR LLC
CIK 0000315066
$430M3.9M0.02%Q2 202605
JANUS HENDERSON GROUP PLC
CIK 0001274173
$362M4.8M0.17%Q1 202606
Vanguard Portfolio Management
CIK 0002100121· Index
$359M3.2M0.02%Q2 202607
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$325M2.9M0.01%Q2 202608
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$312M2.8M0.14%Q2 202609
STATE STREET CORP
CIK 0000093751
$277M2.5M0.01%Q2 202610
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$204M1.8M0.01%Q2 202611
MORGAN STANLEY
CIK 0000895421
$192M1.7M0.01%Q2 202612
REINHART PARTNERS, LLC.
CIK 0001080298
$177M1.6M4.05%Q2 202613
CITADEL ADVISORS LLC
CIK 0001423053
$163M1.5M0.02%Q2 202614
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$163M1.5M0.03%Q2 202615
Assenagon Asset Management S.A.
CIK 0001546007· Quasi-passive
$159M1.4M0.10%Q2 202616
Carmignac Gestion
CIK 0001569758
$149M1.3M1.93%Q2 202617
Swedbank AB
CIK 0000946431
$133M1.2M0.11%Q2 202618
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$112M1.0M0.02%Q2 202619
UBS Group AG
CIK 0001610520
$93M835K0.01%Q2 202620
NORTHERN TRUST CORP
CIK 0000073124· Index
$91M818K0.01%Q2 2026
Page 1 of 24
457 more holders available. Log in →
Insiders at LANTHEUS HLDGS INC
Marshall Robert J. Jr. →Brown Kimberly →Dinkelborg Ludger →Eastland Julia Marie →Thrall James H →Ber Gerard →Baylor-Henry Minnie →Pruden Gary J →