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Lantheus Holdings, Inc. (LNTH) company profile

LNTHNasdaqIn Vitro & In Vivo Diagnostic SubstancesFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 12/3010% above fair value
$101.59+0.34 (+0.34%)

Close on Nov 13, 2026Market cap $6.63BP/E 25.1Yield –

About Lantheus

In Vitro & In Vivo Diagnostic Substances, SIC 2835

Lantheus Holdings, Inc. develops, manufactures, and commercializes diagnostic imaging agents and radiopharmaceuticals. The company operates primarily through its radiopharmaceutical oncology and precision diagnostics businesses. Its commercial products include PYLARIFY, an imaging agent used in positron emission tomography scans, DEFINITY, an injectable imaging product, and Neuraceq. In addition, the business develops product candidates such as MK-6240 and NAV-4694. Lantheus serves healthcare providers, clinical development partners, and medical facilities that operate imaging equipment and diagnostic technologies.

The company is headquartered in Bedford, Massachusetts, and is incorporated in Delaware. Lantheus maintains an in-house manufacturing facility as well as an external network of positron emission tomography manufacturing facilities. The company provides products and conducts business activities for customers in the United States and international markets. Its operations also encompass corporate acquisitions, including Life Molecular Imaging and Evergreen Theragnostics.

Summary of the business section of Lantheus's latest annual report, written by StockData.

Company profile

Company

Legal name
Lantheus Holdings, Inc.
Headquarters
Bedford, MA
Address
201 Burlington Road, South Building 01730
Phone
(978) 671-8001
Employees
1,193, Dec 31, 2025
Industry
In Vitro & In Vivo Diagnostic Substances
Incorporated in
Delaware
Fiscal year ends
December 31
Auditor
Deloitte & Touche LLP, Boston, Massachusetts

Stock & identifiers

Ticker
LNTH
Exchange
Nasdaq
IPO date
Jun 26, 2015
Shares outstanding
65M, Aug 3, 2026
Public float
$4.27B, Jun 30, 2025
Filer category
Large accelerated filer
SEC CIK
1521036
CUSIP
516544103
ISIN
US5165441032
FIGI
BBG006Q52RD0
Share class FIGI
BBG006Q52RF8
LEI
5299005HUB5IOJGO7S39
EIN
35-2318913

Executives and directors

Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years

NamePositionShares owned
Mary Anne HeinoExecutive Chair and CEO, Director587,968
Brian A. MarkisonCEO, Director232,420
Robert J. Marshall Jr.CFO and Treasurer122,071
Ludger DinkelborgSee Remarks33,195
Kimberly BrownChief Accounting Officer13,263
Daniel NiedzwieckiSee Remarks117,465
Amanda Michelle MorganChief Commercial Officer64,748
Paul BlanchfieldPresident108,214
Gerard BerDirector27,118
James H. ThrallDirector39,881
Sam R. LenoDirector67,246
Julie McHughDirector30,099
Gary J. PrudenDirector29,736
Minnie Baylor-HenryDirector14,034
Heinz Christoph MaeusliDirector30,014
Julia Marie EastlandDirector8,019
Phuong Khanh MorrowDirector7,237

CEO pay and shareholder return

Pay versus performance table from the proxy statement

Fiscal yearCEO total payCEO pay actually paidOther executives (avg)Value of $100 investedPeer group
FY2025
Brian AMarkison
$13.92M$3.51M$6.83M$493$99
FY2025
Mary Anne Heino
$2.17M$135.13K$6.83M$493$99
FY2024
Brian AMarkison
$787.60K$9.64M$4.20M$663$94
FY2024
Mary Anne Heino
$13.40M$18.84M$4.20M$663$94
FY2023$12.58M$19.69M$3.96M$460$89
FY2022$9.48M$21.04M$2.97M$378$89

“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.

Executive compensation, fiscal 2025

Summary compensation table from the latest proxy statement

ExecutiveSalaryStock awardsOption awardsIncentive payOtherTotalvs. prior year
Mary Anne Heino
Executive Chairperson and Chief Executive Officer
$100.00K$749.96K$750.00K–$573.97K$2.17M+176%
Robert J. Marshall, Jr.
Chief Financial Officer and Treasurer
$697.84K$3.40M$799.97K$277.88K$15.95K$5.19M-4%
Dr. Ludger Dinkelborg
Head of Research and Development
$227.72K$799.97K$799.99K$13.41M$21.18K$15.26M–
Amanda M. Morgan
Chief Commercial Officer
$541.98K$2.13M$499.96K$107.91K$27.57K$3.30M+18%
Daniel M. Niedzwiecki
Chief Administrative Officer, General Counsel and Corporate Secretary
$588.82K$3.40M$799.97K$156.86K$17.41K$4.97M+14%
Brian A. Markison
Former Chief Executive Officer
$990.39K$10.10M$2.37M$434.78K$15.53K$13.92M+4%
Paul M. Blanchfield
Former President
$693.33K$3.83M$899.97K–$13.03K$5.44M+2%

Stock and option awards are grant-date fair values, not realized pay. “Other” includes pension value changes and all other compensation. Source proxy statement.

IPO

From the final prospectus (Form 424B4) and the first day of trading

Offering

Type
Initial public offering
Final prospectus filed
Jun 26, 2015
Offer price
$6.00
Securities offered
10,833,334
Gross proceeds
$65.00M
Exchange
Nasdaq
First trading day
Jun 25, 2015
First-day close
$6.77+12.8%
Lock-up ends (est.)
Dec 22, 2015

“The initial public offering price is $6.00 per share of common stock.”

Lock-up end is estimated as 180 days after the first trading day; the prospectus sets the actual terms.

Employees

Headcount reported in annual reports

“As of December 31, 2025, we had 1,193 employees, of which 1,056 were located in the United States and 137 were located internationally.”

Corporate history

Events identified from SEC filings

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