Stock Markets May 22, 2026 04:31 PM

Lantheus Weighs Strategic Sale After $7 Billion Approach, Talks Underway

Company in discussions with private-equity backed suitor; outcome and timing remain uncertain

By Sofia Navarro LNTH

Lantheus Holdings is considering a potential sale after receiving an approach from Curium Pharma that values the radiopharmaceutical company at about $7 billion. People familiar with the matter say the two firms have held discussions and that a deal could be weeks away, but no final decision has been made and there is no guarantee talks will result in a transaction. Curium was itself valued at roughly $7 billion last year when its owner, CapVest Partners, raised funds for a continuation vehicle tied to the nuclear medicine firm. Lantheus shares traded lower in extended trading, despite strong year-to-date gains.

Lantheus Weighs Strategic Sale After $7 Billion Approach, Talks Underway
LNTH

Key Points

  • Lantheus has received a takeover approach from Curium Pharma valuing it at about $7 billion.
  • Discussions between the two companies are ongoing and could produce a deal in weeks, but no final decision has been made.
  • Lantheus shares fell nearly 2% in extended trading despite a 54.8% year-to-date gain, with a market capitalization near $6.15 billion.

Lantheus Holdings is assessing a potential acquisition offer after receiving a takeover proposal from Curium Pharma that values Lantheus at about $7 billion, according to people familiar with the matter. The companies have been engaged in talks that could lead to a transaction within weeks, although no final decision has been reached and there is no certainty the discussions will conclude in a deal.

The bid would place Lantheus in the orbit of a private-equity backed buyer whose own valuation was approximately $7 billion last year. That valuation followed fundraising by CapVest Partners for a continuation vehicle associated with Curium, the nuclear medicine company that would be the acquirer in this reported approach.

Neither party has confirmed a transaction. Requests for comment from the companies did not receive immediate responses, and persons briefed on the situation have framed the matter as active discussions rather than a concluded agreement.

Market reaction has been muted. Lantheus, a company focused on radiopharmaceuticals, saw its shares trade down nearly 2% in extended trading following the report. The stock has nonetheless delivered strong performance earlier in the year, rising 54.8% year-to-date and carrying a market capitalization of about $6.15 billion.

The current state of negotiations appears fluid: participants are talking, there is a potential valuation in the neighborhood of $7 billion on the table, and observers indicate a timeline measured in weeks for possible developments. That same commentary stresses the absence of any definitive decision and cautions that an agreement is not assured.

For investors and market participants, the situation presents a live M&A story with several moving parts: the buyer's prior valuation activity tied to a continuation vehicle, the ongoing negotiations between the two companies, and the immediate market response reflected in share price movement and market capitalization. How the discussions unfold will determine whether the reported approach culminates in a transaction or stalls without a sale.

Risks

  • No guarantee that ongoing discussions will result in a transaction - impacts M&A activity in healthcare and private equity.
  • Uncertainty around timing - talks described as possibly weeks away, which could prolong market volatility for Lantheus shares.
  • Lack of immediate confirmation from either company - limited public information increases short-term uncertainty for investors in radiopharmaceuticals.

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