LNTH
Lantheus Holding (LNTH)
NASDAQ
$100.22-$0.03 (-0.03%)
Price as of Sep 11, 2026 8:00 PM EDT
  • $6.5B
    Market Cap
  • 89.37%
    1-Year Change
  • Drug Manufacturers - Specialty & Generic
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
13.23%
8.6M
+78,174 (+0.91%)
Dec 31, 2024
BLACKROCK INC.
13.20%
8.6M
+163,604 (+1.90%)
Jun 30, 2024
BLACKROCK, INC.
12.90%
8.4M
+214,449 (+2.55%)
Jun 30, 2026
VANGUARD GROUP INC
10.29%
6.7M
-253,037 (-3.78%)
Dec 31, 2025
FARALLON CAPITAL MANAGEMENT LLC
8.58%
5.6M
0 (0.00%)
Jun 30, 2026
N/A
7.97%
5.2M
+5.2M (+100.00%)
Jun 30, 2026
JUPITER TOPCO LLC
7.97%
5.2M
+5.2M (+100.00%)
Jun 30, 2026

Current Ownership Distribution

  • Mutual Funds1.4B (50.03%)
  • Institutions1.4B (49.22%)
  • Insiders20.5M (0.75%)
  • Other0 (0.00%)

Insider Transactions

  • 0.75% (20.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $142.4M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Lantheus Alpha Therapy, LLC
Sell
Sep 04, 2026
$526,051.33
167,149
$3.15
11.3M
Lantheus Alpha Therapy, LLC
Sell
Sep 03, 2026
$250,895.84
80,783
$3.11
11.4M
Lantheus Holdings, Inc.
Sell
Sep 01, 2026
$111,574.24
35,769
$3.12
11.6M
Lantheus Holdings, Inc.
Sell
Aug 31, 2026
$245,609.73
78,145
$3.14
11.6M
Marshall Robert J. Jr.
CFO and Treasurer
In Kind
Aug 31, 2026
$72,792.16
721
$100.96
122,071
Brown Kimberly
Chief Accounting Officer
In Kind
Aug 17, 2026
$46,721.33
463
$100.91
13,263
Dinkelborg Ludger
See Remarks
In Kind
Aug 17, 2026
$255,907.76
2,536
$100.91
33,195