Merck

Company MRK

Last mentioned: Mar 25, 2026

Timeline

  1. Keytruda Patent Cliff

    Expected loss of exclusivity for Merck's top-selling cancer drug, Keytruda.

  2. Keytruda Patent Expiry

    Merck faces biosimilar competition for its top-selling immunotherapy drug.

  3. TERN-701 Data Readout

    Key clinical milestones for the leukemia candidate are expected to drive valuation.

  4. Expected Closing

    The deal is anticipated to close following regulatory approvals and Terns shareholder vote.

  5. Terns Acquisition Announced

    Merck agrees to buy Terns Pharmaceuticals for $6.7 billion to acquire TERN-701.

  6. Acquisition Announced

    Merck and Terns Pharmaceuticals sign a definitive agreement for a $6.7B buyout.

  7. Analyst Sentiment Review

    Major firms maintain ratings, citing steady execution of the strategic pivot.

  8. 2026 Guidance Issued

    Management outlines $72M-$76M revenue target driven by ECO Synthesis.

  9. Q4 2025 Earnings Release

    Codexis reports significant beats on both top and bottom lines.

  10. Prometheus Acquisition

    Merck buys Prometheus Biosciences for $10.8 billion to bolster its immunology pipeline.

  11. Acceleron Acquisition

    Merck acquires Acceleron Pharma for $11.5 billion to expand in cardiovascular disease.

Stories mentioning Merck 6

acquisition Bullish

Merck to Acquire Terns for $6.7B to Mitigate Keytruda Patent Cliff

Merck has entered into a definitive agreement to acquire Terns Pharmaceuticals for $6.7 billion in cash, a strategic move to diversify its oncology pipeline. The deal centers on Terns' promising leukemia candidate, TERN-701, as Merck prepares for the 2028 patent expiration of its blockbuster immunotherapy, Keytruda.

2 sources
pharma Neutral

Wall Street Zen Upgrades Codexis and Enovis on Strong 2026 Growth Outlooks

Wall Street Zen has upgraded the stock ratings for Codexis (CDXS) and Enovis (ENOV), signaling increased confidence in their long-term strategic pivots. The upgrades follow robust quarterly performances and the unveiling of ambitious 2026 revenue targets driven by high-margin technological innovations.

2 sources
pharma Bullish

Biotech Sector Pivots: Codexis, Elutia, and Biote Signal Strategic Shifts

Q4 2025 earnings for specialized biotech firms reveal a sector-wide shift toward high-margin manufacturing and strategic divestitures. While Codexis capitalizes on its Merck partnership and ECOsynthesis platform, Elutia has cleared its debt through an $88 million divestiture to Boston Scientific.

9 sources
pharma Bullish

Merck and Mayo Clinic Launch AI-Driven Drug Discovery Collaboration

Merck and Mayo Clinic have entered a multi-year research and development collaboration to leverage artificial intelligence for drug discovery and personalized patient care. The partnership integrates Merck's pharmaceutical expertise with Mayo Clinic's clinical data and AI capabilities to accelerate the development of targeted therapies.

2 sources

About Merck coverage

This page surfaces every story mentioning Merck across our biotech coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.

Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running biotech beat. Cross-entity comparisons live on our compare view.

What you seeWhat it tells you
Story countNumber of distinct stories where Merck was a primary or referenced actor.
Recency clusteringWhether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc).
Sentiment distributionAggregate sentiment of the stories mentioning this entity, weighted by impact score.
Cross-niche linksWhen the same entity surfaces in our sibling networks, we link to those views to enrich context.