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Lantheus (LNTH) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET

Updated Oct 15, 2026, 4:00 PM ET

What changed since yesterday

LNTH ends flat (-0.0%) to $99.99, 4 down days in a row. Closed at $99.99, -0.01% vs the prior close of $100.00. Day range $99.95–$100.18, opened at $100.05.

Last close$99.99-0.01%
Day range99.95–100.18
Open100.05
Volume866.50K
52-week range50.15–111.86
Avg volume (20d)972.17K

LNTH daily analysis — what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 15, 2026 — LNTH ends flat (-0.0%) to $99.99, 4 down days in a row
Oct 14, 2026 — LNTH ends flat (-0.0%) to $100.00, 3 down days in a row
Oct 13, 2026 — LNTH ends flat (-0.1%) to $100.02
Oct 12, 2026 — LNTH ends flat (-0.0%) to $100.11
Oct 9, 2026 — LNTH ends flat (+0.0%) to $100.15
Oct 8, 2026 — LNTH ends flat (-0.1%) to $100.12
Oct 7, 2026 — LNTH ends flat (+0.2%) to $100.18
Oct 6, 2026 — LNTH ends flat (-0.2%) to $99.95
Oct 5, 2026 — LNTH ends flat (+0.2%) to $100.19, 4 up days in a row
Oct 2, 2026 — LNTH rises 0.3% to $99.96, 3 up days in a row

LNTH latest news & SEC filings

Every SEC filing by or about LNTH in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Oct 2, 2026 · DEFA14A — Additional proxy materials

Additional proxy materials

Source: SEC EDGAR filing 0001193125-26-412567

Oct 2, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-412563

Sep 23, 2026 · SCHEDULE 13D/A — Update to a 13D 5%+ stake disclosure

Update to a 13D 5%+ stake disclosure

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001193125-26-399446

Sep 21, 2026 · DEFA14A — Additional proxy materials

Additional proxy materials

Source: SEC EDGAR filing 0001193125-26-396661

Sep 21, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-396654

Sep 17, 2026 · DEFA14A — Additional proxy materials

Additional proxy materials

Source: SEC EDGAR filing 0001193125-26-393460

Sep 8, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0002064832-26-000318

Sep 8, 2026 · DEFM14A — DEFM14A filing

DEFM14A filing

Source: SEC EDGAR filing 0001193125-26-384284

Sep 4, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0002064832-26-000316

Sep 4, 2026 · SCHEDULE 13D/A — Update to a 13D 5%+ stake disclosure

Update to a 13D 5%+ stake disclosure

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001193125-26-383775

Sep 4, 2026 · SCHEDULE 13G — Passive stake (13G)

Passive stake (13G) — an investor reported owning more than 5%

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001193125-26-383762

Sep 4, 2026 · SCHEDULE 13D — Activist-style stake (13D)

Activist-style stake (13D) — an investor reported owning more than 5%

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001193125-26-383754

Sep 3, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0002064832-26-000310

Sep 2, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0002064832-26-000308

Sep 2, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0002064832-26-000307

Things to know before you trade LNTH

LNTH market data (last 20 sessions)

DateOpenHighLowCloseVolume
Oct 15, 2026100.05100.1899.9599.99866.50K
Oct 14, 2026100.06100.2399.92100.00936.70K
Oct 13, 2026100.20100.2899.99100.021.54M
Oct 12, 2026100.10100.36100.06100.11951.60K
Oct 9, 2026100.06100.40100.06100.15973.50K
Oct 8, 2026100.08100.33100.08100.12520.10K
Oct 7, 2026100.20100.33100.02100.18553.80K
Oct 6, 2026100.28100.3499.8999.95730.10K
Oct 5, 2026100.00100.2899.95100.19658.90K
Oct 2, 202699.78100.0799.6999.96706.00K
Oct 1, 202699.5299.7999.5299.65617.10K
Sep 30, 202699.5599.7499.3199.531.81M
Sep 29, 202699.6199.8599.3199.511.25M
Sep 28, 202699.6899.9699.6199.741.25M
Sep 25, 202699.9299.9999.7299.74952.40K
Sep 24, 2026100.00100.0299.6999.72938.50K
Sep 23, 2026100.28100.2899.8999.97865.40K
Sep 22, 2026100.28100.4099.98100.001.52M
Sep 21, 2026100.96100.96100.22100.28786.70K
Sep 18, 2026100.79100.96100.48100.551.03M

About Lantheus

Lantheus (LNTH) is listed on the Nasdaq and classified by the SEC under “In Vitro & In Vivo Diagnostic Substances”. Its business address is in BEDFORD, MA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1521036.

LNTH board of directors & executives

From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).

Directors

NameRoleLatest filing
Minnie Baylor-HenryDirectorMay 18, 2026
Gerard BerDirectorJun 3, 2026
Julia Marie EastlandDirectorMay 18, 2026
Mary Anne HeinoExecutive Chair and CEOJun 3, 2026
Sam R LenoDirectorMay 18, 2026
Heinz Christoph MaeusliDirectorMay 18, 2026
Julie MchughDirectorMay 18, 2026
Phuong Khanh MorrowDirectorMay 18, 2026
Gary J PrudenDirectorMay 18, 2026
James H ThrallDirectorMay 18, 2026

Executive officers

NameTitleLatest filing
Kimberly BrownChief Accounting OfficerAug 19, 2026
Ludger DinkelborgSee RemarksAug 19, 2026
Mary Anne HeinoExecutive Chair and CEOJun 3, 2026
Robert J. Jr. MarshallCFO and TreasurerSep 2, 2026
Amanda Michelle MorganChief Commercial OfficerMar 9, 2026
Daniel NiedzwieckiSee RemarksApr 21, 2026

Recent insider buys & sales

DateInsiderTypeSharesPrice
No open-market insider buys or sales reported in the last 12 months.

LNTH financials (annual, from XBRL filings)

Fiscal year endRevenueNet incomeDiluted EPSOperating cash flow
Dec 31, 2025$1.54B$233.56M3.41$390.14M
Dec 31, 2024$1.53B$312.44M4.36$544.75M
Dec 31, 2023$1.30B$326.66M4.65$305.26M
Dec 31, 2022$935.06M$28.07M0.40$281.78M
Dec 31, 2021$425.21M$-71.28M-1.06$53.92M

Latest balance sheet: total assets $2.41B, total liabilities $1.10B, cash $593.30M (as of Jun 30, 2026).

LNTH earnings / results-day log

DateFilingClose that day
Aug 6, 20268-K Item 2.02 (results)$101.07
May 7, 20268-K Item 2.02 (results)$91.00
Feb 26, 20268-K Item 2.02 (results)$75.43
Nov 6, 20258-K Item 2.02 (results)$53.69
Aug 6, 20258-K Item 2.02 (results)$51.87
May 7, 20258-K Item 2.02 (results)$80.49
Feb 26, 20258-K Item 2.02 (results)$93.25
Jan 28, 20258-K Item 2.02 (results)$91.13
Nov 6, 20248-K Item 2.02 (results)$91.17
Jul 31, 20248-K Item 2.02 (results)—
May 2, 20248-K Item 2.02 (results)—
Feb 22, 20248-K Item 2.02 (results)—

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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.