InvestorLens

LNTH — LANTHEUS HLDGS INC

Public company

Sign in to save4 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying LNTH?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
95
Institutional Conviction
Net accumulation · 1 buying vs 0 selling last quarter
63
Macro Tailwind
Macro conditions are mixed for this sector
56
Why? — Evidence & Confidence ▾

Of 1 tracked investors who changed their LNTH position last quarter, 1 bought and 0 sold (100% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).

Supporting evidence
  • +1 tracked investor added or increased positions last quarter (Ray Dalio)
  • +4 tracked investors reported holding LNTH at their latest filing
  • +Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource
Contradicting evidence — always shown
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.

About LANTHEUS HLDGS INC (LNTH)

LANTHEUS HLDGS INC (LNTH) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $163M. Across recent filings, tracked investors recorded 6 new positions, 10 increased, 7 reduced, and 5 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in LNTH

57
/100
Mixed Activity
Added / Increased16
Reduced7
Exited5
BearishBullish
Crowded Trade Score™

How many top investors track LNTH

27
/100
Emerging Interest
4investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

LNTH Ownership Composition

How LANTHEUS HLDGS INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Multi-Strategy / Quant
97% of tracked value
Institutions
4
tracked investors
Total Reported
$286.6M
combined 13F value
Types2
  • Multi-Strategy / Quant97.4%
  • Macro2.6%
Multi-Strategy / Quant(3)
97.4%
Macro(1)
2.6%

Tracked investors currently reporting LNTH

1 tracked investor has since exited this position — listed separately below.

  • Ken GriffinJun 30, 2026
    Citadel Advisors
    Shares
    1.5M
    Value
    $163.5M
    % Portfolio
    0.02%
  • Izzy EnglanderJun 30, 2026
    Millennium Management
    Shares
    31M
    Value
    $45.3M
    % Portfolio
    0.02%
  • Steve CohenJun 30, 2026
    Point72 Asset Management
    Shares
    635.2K
    Value
    $70.5M
    % Portfolio
    0.08%
  • Ray DalioJun 30, 2026
    Bridgewater Associates
    Shares
    65.9K
    Value
    $7.3M
    % Portfolio
    0.03%

Previously held LNTH

These investors reported LNTH in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

InvestorFirmLast reported sharesValue thenLast held
Howard MarksOaktree Capital Management11.5M$13.2MDec 31, 2025

Recent activity

Frequently asked questions

How many institutional investors hold LNTH?
4 tracked institutional investors disclosed a position in LNTH (LANTHEUS HLDGS INC) in their most recent 13F filing.
Who is the largest institutional holder of LNTH?
Ken Griffin, Citadel Advisors, holds the largest disclosed position in LNTH, valued at $163M.
Did institutional ownership of LNTH increase or decrease?
Across recent 13F filings, tracked investors recorded 6 new positions, 10 increased, 7 reduced, and 5 fully exited LNTH.
Where does this LNTH ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.
LNTH (LANTHEUS HLDGS INC) — Institutional Holders & 13F — InvestorLens