DOSSIER · 13F Holders · Q1 2026Healthcare · In Vitro & In Vivo Diagnostic Substances
LNTH

LANTHEUS HLDGS INC

438 institutions still hold LANTHEUS HLDGS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 516544103·In Vitro & In Vivo Diagnostic Substances·438 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$3.8B
visible holders
Holders
438
filers reporting
Concentration
16.54%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

438 institutions reported LNTH in Q1 2026. BlackRock, Inc. leads at 16.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$621M8.2M0.01%Q1 2026
02
FARALLON CAPITAL MANAGEMENT LLC
CIK 0000909661
$424M5.6M2.41%Q1 2026
03
JANUS HENDERSON GROUP PLC
CIK 0001274173
$362M4.8M0.17%Q1 2026
04
FMR LLC
CIK 0000315066
$351M4.6M0.02%Q1 2026
05
Vanguard Portfolio Management
CIK 0002100121· Index
$241M3.2M0.01%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$221M2.9M0.01%Q1 2026
07
STATE STREET CORP
CIK 0000093751
$184M2.4M0.01%Q1 2026
08
REINHART PARTNERS, LLC.
CIK 0001080298
$177M1.6M4.05%Q2 2026
09
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$135M1.8M0.07%Q1 2026
10
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$134M1.8M0.01%Q1 2026
11
Swedbank AB
CIK 0000946431
$133M1.2M0.11%Q2 2026
12
MORGAN STANLEY
CIK 0000895421
$125M1.6M0.01%Q1 2026
13
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$105M1.4M0.02%Q1 2026
14
Carmignac Gestion
CIK 0001569758
$101M1.3M1.55%Q1 2026
15
TD ASSET MANAGEMENT INC
CIK 0001056053
$86M1.1M0.07%Q1 2026
16
Assenagon Asset Management S.A.
CIK 0001546007· Quasi-passive
$79M715K0.10%Q2 2026
17
Point72 Asset Management, L.P.
CIK 0001603466
$74M979K0.10%Q1 2026
18
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$70M920K0.01%Q1 2026
19
UBS Group AG
CIK 0001610520
$66M868K0.01%Q1 2026
20
Delaware Management Holdings, Inc.
CIK 0000921739
$64M840K0.11%Q1 2026
Page 1 of 22
418 more holders available. Log in →
Insiders at LANTHEUS HLDGS INC
Eastland Julia MarieThrall James HBer GerardBaylor-Henry MinniePruden Gary JLeno Sam RMaeusli Heinz ChristophMorrow Phuong Khanh