In 2023, the biopharma industry experienced a significant resurgence in mergers and acquisitions (M&A), although it did not reach the record-breaking levels seen in 2019. The total value of the top 10 M&A deals in the industry amounted to $115.8 billion, surpassing the figures from the previous years of 2022, 2021, and 2020. Notably absent were the monumental transactions like Bristol Myers Squibb’s acquisition of Celgene or AbbVie’s $63 billion takeover of Allergan. However, the industry displayed a renewed confidence, shedding some of the caution observed in recent years.
Leading the pack in 2023 was Pfizer’s $43 billion merger with Seagen, announced in mid-March, amidst a surge of interest in the burgeoning field of antibody-drug conjugates (ADCs). This trend was further evidenced by AbbVie’s proposed $10.1 billion acquisition of ImmunoGen. While several other significant deals were of lesser magnitude compared to Pfizer’s, notable transactions included BMS’ $14 billion bid for neuroscience specialist Karuna Therapeutics.
Neuroscience emerged as another focal point of interest in 2023, highlighted not only by BMS’ acquisition of Karuna but also AbbVie’s $8.7 billion takeover of Cerevel Therapeutics. Bristol Myers Squibb made additional strategic moves alongside Roche and Biogen, aiming to strengthen their positions in critical disease areas. Astellas also made a notable acquisition, which has already proven beneficial for the Japanese drugmaker.
Top 10 Biopharma Mergers and Acquisitions in 2023
Top 10 Biopharma Mergers and Acquisitions in 2023
Five deals within this report involved drugs either previously approved or gaining approvals in 2023. Bristol’s acquisition of Karuna holds promise for the pharmaceutical giant, potentially offering a launch opportunity by the end of 2024. The resurgence of M&A activities in 2023 signifies a shift towards strategic consolidation and investment in emerging therapeutic areas within the biopharma landscape. This trend reflects the industry’s adaptability and its ongoing pursuit of innovation and growth opportunities.
Pfizer and Seagen

The merger between Pfizer and Seagen, valued at $43 billion and announced on March 13, contributed significantly to the heightened interest in antibody-drug conjugates (ADCs) within the pharmaceutical industry. This deal, along with AbbVie’s $10.1 billion proposed acquisition of ImmunoGen, reflects a busy year for ADC-related transactions. Pfizer’s history in major cancer deals, including the $14 billion acquisition of Medivation and the $11.4 billion buyout of Array BioPharma, underscores its strategic focus on oncology therapeutics. The merger diversifies Pfizer’s portfolio, addressing its recent financial challenges stemming from low demand for COVID-19 products and the need for new assets in its oncology division.

To optimize its operations, Pfizer implemented a $3.5 billion cost-cutting plan and established a separate oncology division. The acquisition of Seagen allows Pfizer to leverage its robust R&D, commercialization, and manufacturing capabilities to expand Seagen’s portfolio. Initially, Merck & Co. seemed a likely candidate to acquire Seagen, but after a patent ruling favored Daiichi Sankyo, Merck withdrew from the bidding process.
Pfizer eventually acquired Seagen for $229 per share, offering a 33% premium, and gained access to four commercial cancer products. Notably, the antitrust review process raised concerns regarding Padcev’s potential dominance in bladder cancer treatment, prompting Pfizer to terminate its partnership with Merck KGaA and donate royalties to comply with FTC regulations. Seagen’s pipeline includes promising ADC prospects targeting various cancer markers, indicating potential future growth opportunities for Pfizer.
Key Points
- Pfizer-Seagen Merger Overview: The $43 billion Pfizer-Seagen merger on March 13 sparked interest in ADCs, reflecting a trend of significant ADC-related transactions in the pharmaceutical industry.
- Pfizer’s Strategic Oncology Focus: Pfizer’s history of major cancer deals, such as Medivation and Array BioPharma acquisitions, highlights its strategic focus on oncology therapeutics.
- Diversification of Pfizer’s Portfolio: The Pfizer-Seagen merger diversifies Pfizer’s portfolio, addressing financial challenges from low COVID-19 product demand and the need for new assets in its oncology division.
- Optimization Strategies: Pfizer implemented a $3.5 billion cost-cutting plan and established a separate oncology division to optimize its operations.
- Merck’s Role and Withdrawal: Initially, Merck & Co. was a potential acquirer of Seagen, but after a patent ruling favored Daiichi Sankyo, Merck withdrew from the bidding process.
- Acquisition Details and Premium: Pfizer eventually acquired Seagen for $229 per share, offering a 33% premium, gaining access to four commercial cancer products.
- Antitrust Concerns and Regulatory Compliance: Antitrust reviews raised concerns about Padcev’s potential dominance in bladder cancer treatment, leading Pfizer to terminate its partnership with Merck KGaA and donate royalties to comply with FTC regulations.
- Future Growth Opportunities: Seagen’s pipeline includes promising ADC prospects targeting various cancer markers, indicating potential future growth opportunities for Pfizer.
Bristol Myers Squibb and Karuna Therapeutics

Bristol Myers Squibb (BMS) closed out a busy year of strategic deals by announcing a significant acquisition of Karuna Therapeutics, a Boston-based biotech, for $14 billion on December 22. The deal represented a premium of 53% above Karuna’s previous closing price, underscoring BMS’s eagerness to acquire Karuna’s potential breakthrough asset in the field of schizophrenia treatment. The cornerstone of this acquisition is KarTX, Karuna’s lead asset, a first-in-class M1/M4 muscarinic receptor agonist.

Unlike conventional treatments that target D2 dopamine and 5HT-52A serotonin receptors, KarTX utilizes a novel dual mechanism, potentially resulting in fewer side effects. BMS sees immense promise in KarTX, anticipating its transformative impact on schizophrenia treatment. The drug is currently awaiting FDA approval, with potential applications in Alzheimer’s disease psychosis, bipolar disorder, and Alzheimer’s agitation on the horizon. BMS expects a seamless transition post-acquisition, emphasizing the rapid uptake of KarTX once it hits the market.
Despite the relatively modest size of the schizophrenia market, BMS views this acquisition as a strategic move into the neuropsychiatry space. The addition of KarTX complements BMS’s existing portfolio, particularly PRX005, its experimental Alzheimer’s drug. Moreover, Karuna’s pipeline extends beyond KarTX, encompassing assets targeting mood and anxiety disorders, all of which operate through the muscarinic pathway. The acquisition aligns with BMS’s long-term vision of expanding its presence and offerings in neuropsychiatric therapeutics, positioning the company for substantial growth and innovation in the years ahead.
Key Points
- Strategic Acquisition: BMS’s acquisition of Karuna Therapeutics for $14 billion, representing a 53% premium, underscores its strategic focus on expanding its portfolio in neuropsychiatric therapeutics.
- Groundbreaking Asset: KarTX, Karuna’s lead asset, offers a novel treatment approach for schizophrenia by targeting M1/M4 muscarinic receptors, potentially resulting in fewer side effects compared to existing treatments.
- Diversification of Pipeline: The acquisition not only bolsters BMS’s position in schizophrenia treatment but also opens avenues in Alzheimer’s disease psychosis, bipolar disorder, and Alzheimer’s agitation, broadening its neuropsychiatric portfolio.
- Market Opportunity: Despite the modest size of the schizophrenia market, BMS sees significant potential in KarTX, anticipating rapid uptake and expansion into other indications.
- Long-Term Vision: The acquisition aligns with BMS’s long-term strategy of expanding its presence and offerings in neuropsychiatric therapeutics, positioning the company for sustained growth and innovation.
- Complementary Assets: Karuna’s pipeline, including assets targeting mood and anxiety disorders, complements BMS’s existing portfolio, enhancing its capabilities in neuropsychiatric drug development.
Merck and Prometheus Biosciences

Merck‘s acquisition of Prometheus Biosciences was announced on April 16, valued at $10.8 billion, representing a 75% premium over Prometheus’ previous closing price. This strategic move follows Merck’s earlier venture into immune-mediated inflammatory diseases through its acquisition of Pandion Therapeutics for $1.85 billion in February 2021. The acquisition of Prometheus marks a significant expansion in this disease area for Merck. The key asset driving the deal is PRA-023, now known as MK-7240, a promising monoclonal antibody targeting ulcerative colitis (UC), Crohn’s disease, and other autoimmune conditions. PRA-023 demonstrated impressive results in phase 2 trials, with notable remission rates in UC and Crohn’s disease patients compared to placebos.

Merck’s acquisition of Prometheus places it in competition with other major players in the TL1A pathway, such as Roivant, Pfizer, and Sanofi, who are also investing heavily in similar therapies. Merck’s CEO, Robert Davis, emphasized the importance of the acquisition in bolstering Merck’s presence in immunology and addressing unmet patient needs. With this deal, Merck gains access to a diverse portfolio of candidates for bowel and immune-mediated diseases, positioning itself for sustained growth beyond the Keytruda exclusivity period.
Merck’s continued interest in business development and acquisitions indicates a proactive strategy to capitalize on scientific opportunities aligned with its long-term goals and value creation objectives. The acquisition reflects Merck’s commitment to innovation and diversification within the biopharmaceutical landscape.
Key Points
- Strategic Expansion: Merck’s acquisition of Prometheus represents a significant expansion into immune-mediated inflammatory diseases.
- Key Asset: PRA-023 (MK-7240) stands out as a promising monoclonal antibody targeting UC, Crohn’s disease, and other autoimmune conditions.
- Competitive Landscape: Merck enters into competition with other major players investing in TL1A pathway therapies, such as Roivant, Pfizer, and Sanofi.
- CEO Statement: Merck’s CEO Robert Davis highlights the acquisition’s importance in addressing unmet patient needs and strengthening Merck’s presence in immunology.
- Diversification: The acquisition adds diversity to Merck’s portfolio and prepares it for the future loss of exclusivity of Keytruda.
- Future Outlook: Merck’s continued interest in business development and acquisitions underscores its commitment to sustained growth and innovation in the biopharmaceutical sector.
AbbVie and ImmunoGen

AbbVie‘s acquisition of ImmunoGen for $10.1 billion, announced on November 30, represents a significant move in the pharmaceutical landscape, particularly within the burgeoning field of antibody-drug conjugates (ADCs). AbbVie’s interest in ImmunoGen underscores its strategic shift towards solid tumor treatment, a priority emphasized by CEO Rick Gonzalez.
The acquisition includes ImmunoGen’s flagship drug, Elahere, which received accelerated approval in 2022 for advanced ovarian cancer. AbbVie’s substantial offer, 95% above ImmunoGen’s prior-day closing price, reflects its commitment to advancing in the ADC space, a strategy dating back to its 2011 investment in Seattle Genetics. ImmunoGen’s portfolio, including Elahere and promising candidates like IMGN-151 and an anti-CD123 ADC, positions AbbVie to expand its presence in oncology.

Analysts anticipate Elahere’s sales to reach $500 million in 2024 and potentially $2 billion by the end of the decade. The acquisition also underscores the competitive nature of the ADC field, evident from other major deals involving BioNTech, GSK, and Merck & Co. Merck’s $22 billion agreement with Daiichi Sankyo in October 2023 highlights the industry’s commitment to ADC research and development. AbbVie’s successful bid for ImmunoGen, though not initially pursued, showcases the intense competition among pharmaceutical companies for innovative biotech firms.
Key Points
- Strategic Shift: AbbVie’s acquisition of ImmunoGen signals a strategic move into the solid tumor space, aligning with CEO Rick Gonzalez’s vision for the company.
- Premium Offer: The acquisition came at a significant premium of 95% over ImmunoGen’s prior-day closing price, highlighting AbbVie’s commitment to entering the ADC field.
- Portfolio Potential: ImmunoGen’s portfolio, particularly Elahere and promising pipeline candidates, positions AbbVie for growth in the oncology market.
- Competitive Landscape: The deal underscores the competitive nature of the ADC field, as evidenced by major agreements involving other pharmaceutical giants like Merck & Co.
- Intense Competition: AbbVie’s successful bid for ImmunoGen reflects the fierce competition among pharmaceutical companies for innovative biotech firms, as evidenced by other undisclosed potential suitors for ImmunoGen.
AbbVie and Cerevel Therapeutics

AbbVie‘s acquisition of Cerevel Therapeutics for $8.7 billion, announced on December 6, reflects a strategic move akin to Bristol Myers Squibb’s investment in Karuna, signaling AbbVie’s significant commitment to the burgeoning neuroscience sector. According to AbbVie CEO Richard Gonzalez, the deal fortifies AbbVie’s neuro pipeline with promising clinical assets, potentially yielding billions in sales. Central to Cerevel’s portfolio is emraclidine, a phase 2 drug targeting schizophrenia and Alzheimer’s psychosis, sharing a class with Karuna Therapeutics’ KarXT.
AbbVie’s interest in Cerevel emerged after emraclidine passed a pivotal safety test in December 2022, demonstrating efficacy in reducing patients’ blood pressure. Beyond emraclidine, Cerevel’s pipeline includes tavapadon, a late-stage candidate for Parkinson’s disease.

AbbVie envisions tavapadon as a complementary asset for advanced Parkinson’s treatments. The acquisition, expected to finalize by mid-2024, faced competition from multiple companies, including concerns about potential bids from Pfizer. AbbVie’s negotiation, led by CEO Richard Gonzalez, navigated challenges while acknowledging the competitive landscape in psychiatry therapeutics. Despite both companies having schizophrenia treatments, Gonzalez assured investors of the deal’s compliance with antitrust regulations, emphasizing the diversity of available psychiatric medications.
Notably, AbbVie’s existing schizophrenia drug, Vraylar, primarily targets bipolar disorder, underscoring the strategic fit of Cerevel’s assets within AbbVie’s portfolio.
Key Points
- Strategic Acquisition: AbbVie’s purchase of Cerevel Therapeutics for $8.7 billion indicates a strategic move to bolster its presence in the neuroscience sector, mirroring similar strategic moves by other pharmaceutical giants like Bristol Myers Squibb.
- Portfolio Enhancement: The acquisition provides AbbVie access to Cerevel’s clinical assets, particularly emraclidine and tavapadon, which hold significant promise in treating schizophrenia, Alzheimer’s disease psychosis, and Parkinson’s disease, respectively.
- Emraclidine’s Significance: Emraclidine’s successful completion of a key safety test in 2022 marked a pivotal moment, making it a valuable asset for AbbVie’s neuro pipeline, especially considering its potential in addressing unmet medical needs in schizophrenia and Alzheimer’s disease psychosis.
- Competition and Negotiation: AbbVie faced competition from several companies during the acquisition process, highlighting the attractiveness and competitive nature of Cerevel’s assets. CEO Richard Gonzalez played a pivotal role in negotiating the deal, addressing potential challenges and competitive pressures.
- Antitrust Compliance: AbbVie’s assurance regarding compliance with antitrust regulations reflects careful consideration of potential regulatory hurdles, particularly concerning overlaps in the companies’ schizophrenia drug portfolios.
- Strategic Fit: Despite having existing schizophrenia treatments, such as Vraylar, AbbVie views Cerevel’s assets as complementary rather than redundant, aligning with its strategic objectives in expanding its therapeutic offerings for neurological disorders.
Overall, the acquisition of Cerevel Therapeutics underscores AbbVie’s commitment to innovation and expansion in the neuroscience sector, positioning the company for continued growth and leadership in addressing complex neurological diseases.
Biogen and Reata Pharmaceuticals

In the realm of neuro-focused acquisitions in 2023, Biogen‘s purchase of Reata Pharmaceuticals for $7.3 billion, announced on July 28th, signifies a strategic move primarily driven by Reata’s recently FDA-approved drug, Skyclarys. Skyclarys, designed to treat Friedreich’s ataxia, a rare neurological disorder, received approval in February. Analysts project its sales potential to reach $1.5 billion by 2030. Biogen’s CEO, Chris Viehbacher, emphasized Biogen as the ideal proprietor for Skyclarys during a conference call, outlining plans to integrate its commercialization with Biogen’s existing drugs like Spinraza for spinal muscular atrophy (SMA) and Qalsody for amyotrophic lateral sclerosis (ALS).

The acquisition agreement involved Biogen paying $172.50 per share, reflecting a 59% premium over Reata’s stock price. Notably, Skyclarys marks the first commercial success in Reata’s two-decade history, despite having several investigational drugs for neurological conditions in its pipeline. Although Biogen encountered investor skepticism regarding the deal’s value, it outbid competitors like Sanofi to secure the acquisition.
However, the transition hasn’t been without challenges, as layoffs affecting 113 Reata employees were announced shortly after the acquisition, primarily in roles where overlaps exist with Biogen’s operations. Despite this, Biogen affirmed its commitment to retaining essential staff involved in Skyclarys’ launch to ensure continuity of patient care.
Key Points
- Strategic Acquisition: Biogen’s purchase of Reata Pharmaceuticals for $7.3 billion, announced on July 28th, 2023, focuses on Reata’s FDA-approved drug, Skyclarys, for Friedreich’s ataxia.
- Skyclarys’ Potential: Analysts predict Skyclarys to achieve $1.5 billion in sales by 2030, making it a lucrative investment for Biogen.
- Integration Strategy: Biogen plans to integrate Skyclarys’ commercialization with its existing drugs like Spinraza and Qalsody.
- Investor Skepticism: Despite excitement from Biogen, investors expressed doubts about the deal’s value, with a majority considering it unfavorable.
- Competitive Bidding: Biogen outbid competitors like Sanofi to secure the acquisition, highlighting its strategic importance.
- Challenges and Layoffs: Following the acquisition, Biogen announced layoffs affecting 113 Reata employees, particularly in overlapping roles, while affirming its commitment to retaining crucial Skyclarys-related staff for patient care continuity.
Roche and Telavant Holdings

Roche‘s acquisition of Telavant Holdings for $7.1 billion, announced on October 23, drew immediate attention from industry observers due to Roivant, Telavant’s majority owner, quickly turning around a Pfizer spinoff for a substantial sum. The deal secured Roche the U.S. and Japan rights to a phase 3-ready inflammatory bowel disease (IBD) candidate, RVT-3101, targeting TL1A, a key factor in regulating inflammation and fibrosis.
TL1A’s potential extends beyond IBD to major inflammatory conditions like atopic dermatitis and rheumatoid arthritis, according to Roche. The transaction followed positive phase 2b results from the TUSCANY-2 trial, indicating RVT-3101’s efficacy as a maintenance treatment for ulcerative colitis patients.

Prior to the trial’s outcome, Pfizer had transferred the drug to Telavant, a joint venture with Roivant, retaining a 25% stake. Roivant’s swift divestment of Telavant netted $5.3 billion, illustrating the value of Roivant’s investment. Roche, aiming to lead in TL1A therapeutics, expedited RVT-3101’s phase 3 development, bolstering its immunology franchise alongside other medications like Xolair and Actemra.
Additionally, Roche secured an option to collaborate with Pfizer on a p40/TL1A bispecific antibody. James Sabry, Roche’s global head of pharma partnering, emphasized the company’s strategic diversification with recent acquisitions like Carmot Therapeutics and Alnylam’s hypertension candidate, indicating a broader focus beyond its traditional therapeutic areas.
Key points
- Strategic Acquisition: Roche’s purchase of Telavant Holdings for $7.1 billion signals a strategic move to bolster its portfolio in inflammatory bowel disease therapeutics.
- TL1A Targeting: Telavant’s key asset, RVT-3101, targets TL1A, a crucial regulator of inflammation and fibrosis, presenting opportunities beyond IBD in conditions like atopic dermatitis and rheumatoid arthritis.
- Positive Trial Results: The acquisition followed positive phase 2b trial results from TUSCANY-2, showcasing RVT-3101’s efficacy as a maintenance treatment for ulcerative colitis patients.
- Swift Divestment by Roivant: Roivant’s swift divestment of Telavant for $5.3 billion, just eleven months after acquiring the drug, demonstrates the substantial value Roivant realized from its investment.
- Strategic Development by Roche: Roche is aggressively pushing RVT-3101 into phase 3 trials, aiming to lead in TL1A therapeutics and strengthen its immunology franchise.
- Strategic Collaboration: Roche secured an option to collaborate with Pfizer on a p40/TL1A bispecific antibody, expanding its partnership network and therapeutic capabilities.
- Diversification Strategy: James Sabry highlights Roche’s diversification strategy with recent acquisitions like Carmot Therapeutics and Alnylam’s hypertension candidate, signaling a broader focus beyond traditional therapeutic areas like oncology.
Roche’s acquisition of Telavant not only underscores its commitment to advancing novel therapies but also showcases its strategic vision to diversify its portfolio and capture emerging opportunities in the pharmaceutical landscape.
Astellas and Iveric Bio

Astellas, a Japanese pharmaceutical company, made a significant move by acquiring Iveric Bio for $5.9 billion, reflecting a 22% premium over the previous closing price when the deal was announced on April 30. The strategic acquisition paid off as three months later, the FDA granted approval for Izervay, the drug Astellas had targeted in the acquisition, which serves as a treatment for geographic atrophy (GA), a condition associated with late-stage macular degeneration.

This approval came at an opportune time as Apellis’ Syfovre, the only other drug approved for GA, faced concerns over intraocular inflammation, diminishing its market position. Despite both Izervay and Syfovre being complement inhibitors designed to slow disease progression rather than cure it, they represent crucial advancements in treating GA by preventing immune system-related damage to the retina. Astellas’ acquisition of Iveric Bio, led by CEO Naoki Okamura, is pivotal for the company, especially as it seeks replacements for its blockbuster drug Xtandi, which will lose patent protection in 2027.
Okamura’s leadership, highlighted by previous acquisitions such as Audentes Therapeutics, underscores the significance of the Izervay acquisition. Analysts project Izervay to generate significant sales, aiming for $500 million by 2026 and $2.4 billion by 2034. Despite concerns, Syfovre showed strong sales in its initial launch. However, data presented by Astellas in November demonstrated Izervay’s effectiveness, with a notable reduction in GA lesion growth. Apellis responded with its own promising trial data for Syfovre, showcasing its potential benefits over a longer treatment period. The success of Izervay stands as a crucial factor in Astellas’ future revenue amid the impending decline of Xtandi.
Key Points
- Astellas Acquires Iveric Bio: Astellas, a Japanese pharmaceutical company, made a significant move by acquiring Iveric Bio for $5.9 billion.
- FDA Approval for Izervay: The FDA granted approval for Izervay, Astellas’ targeted drug in the acquisition, as a treatment for geographic atrophy (GA), a condition associated with late-stage macular degeneration.
- Strategic Acquisition: Astellas’ acquisition of Iveric Bio reflects a 22% premium over the previous closing price, proving to be strategically significant for the company.
- Market Dynamics: The approval of Izervay came at an opportune time as concerns over intraocular inflammation diminished the market position of Apellis’ Syfovre, the only other drug approved for GA.
- Treatment Advancements: Izervay and Syfovre represent crucial advancements in treating GA by preventing immune system-related damage to the retina.
- Leadership of Naoki Okamura: CEO Naoki Okamura’s leadership, highlighted by previous acquisitions such as Audentes Therapeutics, underscores the significance of the Izervay acquisition.
- Revenue Projections: Analysts project Izervay to generate significant sales, aiming for $500 million by 2026 and $2.4 billion by 2034.
- Replacement for Xtandi: The acquisition of Iveric Bio is pivotal for Astellas as it seeks replacements for its blockbuster drug Xtandi, which will lose patent protection in 2027.
- Effectiveness of Izervay: Data presented by Astellas demonstrated Izervay’s effectiveness, with a notable reduction in GA lesion growth.
- Competition with Syfovre: Apellis responded with its own promising trial data for Syfovre, showcasing its potential benefits over a longer treatment period.
Bristol Myers Squibb and Mirati Therapeutics

In a strategic move, Bristol Myers Squibb (BMS), a major player in the biopharmaceutical industry, demonstrated its commitment to fortifying its portfolio by announcing a significant acquisition of Mirati Therapeutics for a total deal value of $5.8 billion, inclusive of a $1 billion contingent value right. This transaction, unveiled on October 8, 2023, follows Bristol’s notable megamerger with Celgene in 2019, signaling a proactive approach to addressing challenges arising from generic competition against key Celgene assets. The focus of the Mirati acquisition lies in obtaining the rights to Krazati, an FDA-approved lung cancer drug touted as the best-in-class KRAS G12C inhibitor.

Despite entering the market after Amgen’s Lumakras, Krazati holds promise due to its potential synergies with a PD-1 inhibitor, attributed to its favorable liver toxicity profile. Notably, Bristol’s interest in Mirati dates back to October 2020, as revealed in confidential agreements with other global pharmaceutical entities.
The deal structure includes a $4.8 billion equity component and an additional $1 billion payout contingent on FDA acceptance of the application for Mirati’s pipeline drug, MRTX1719, within seven years of closing. This strategic move aligns with Bristol’s efforts to navigate growth challenges following the decline in sales of Revlimid, acquired through the Celgene merger, due to patent expiration and generic competition. The Mirati acquisition, along with subsequent deals with Karuna and RayzeBio, exemplifies Bristol’s proactive response to revenue concerns, securing its position in the evolving pharmaceutical landscape. In the backdrop of these developments, Bristol has consistently featured in M&A rankings, demonstrating its strategic prowess in reshaping its portfolio and ensuring sustained growth.
Key Points
- Bristol Myers Squibb’s Acquisition Strategy: BMS, a major biopharmaceutical player, announced the acquisition of Mirati Therapeutics for $5.8 billion, showcasing its strategic approach to portfolio expansion and addressing challenges in the market.
- Motivation Behind the Acquisition: The acquisition aims to secure rights to Krazati, Mirati’s FDA-approved lung cancer drug recognized as the best-in-class KRAS G12C inhibitor, enhancing Bristol’s oncology portfolio.
- Strategic Importance of Krazati: Despite entering the market after a rival drug, Krazati holds promise due to its potential synergy with a PD-1 inhibitor, offering a competitive advantage over existing treatments.
- Longstanding Interest in Mirati: Bristol’s interest in Mirati dates back to 2020, indicating a meticulous evaluation process before finalizing the acquisition.
- Deal Structure: The deal comprises a $4.8 billion equity component and a $1 billion contingent payment, dependent on FDA acceptance of Mirati’s pipeline drug, MRTX1719, within seven years.
- Response to Revenue Challenges: The acquisition aligns with Bristol’s efforts to counter revenue decline following generic competition against key assets like Revlimid, acquired in the Celgene merger.
- Proactive Approach: Bristol’s acquisition spree, including deals with Karuna and RayzeBio, reflects its proactive stance in reshaping its portfolio and ensuring sustained growth in the face of market challenges.
- Consistent Performance in M&A: Bristol’s strategic prowess is evident in its consistent appearance in M&A rankings, showcasing its ability to adapt and thrive in the evolving pharmaceutical landscape.
Bristol Myers Squibb and RayzeBio

Bristol Myers Squibb (BMS) concluded 2023 with a strategic move, announcing its acquisition of RayzeBio for a staggering $4.1 billion, marking a premium of 104% above the previous closing price. The acquisition aligns with BMS’s endeavor to establish a foothold in the burgeoning radiopharmaceutical scene. RayzeBio’s portfolio, acquired at $62.50 per share, adds a pipeline of actinium-based radiopharmaceutical therapeutics (RPTs) to BMS’s offerings. The flagship asset, RYZ101, targets somatostatin receptor 2, potentially addressing gastroenteropancreatic neuroendocrine tumors (GEP-NETs) and extensive stage small cell lung cancer.

This acquisition underscores BMS’s commitment to innovative treatments, as actinium-based RPTs promise a more targeted and efficacious approach to killing cancer cells through radiation. RayzeBio’s CEO, Ken Song, views BMS as an ideal partner given its global oncology presence. Notably, the deal encompasses RayzeBio’s advanced manufacturing facility in Indiana, signifying BMS’s focus on owning manufacturing capabilities in the radiopharmaceutical sector.
This move is strategic for BMS, which faces challenges from patent cliffs and regulatory changes, aiming to diversify its portfolio through smaller opportunities and a robust pipeline poised to deliver over 16 new products by 2030. CEO Chris Boerner emphasized this approach at the J.P. Morgan Healthcare Conference, highlighting the company’s transition towards sustained growth and innovation.
Key Points
- Acquisition Details: Bristol Myers Squibb (BMS) acquired RayzeBio for $4.1 billion, reflecting a significant premium of 104% above the previous closing price.
- Strategic Move: The acquisition aligns with BMS’s strategic efforts to establish a presence in the radiopharmaceutical market, which is experiencing significant growth.
- RayzeBio Portfolio: RayzeBio brings to BMS a pipeline of actinium-based radiopharmaceutical therapeutics (RPTs), notably the lead asset RYZ101 targeting somatostatin receptor 2.
- Potential Treatments: The acquired portfolio includes potential treatments for various cancers, including gastroenteropancreatic neuroendocrine tumors (GEP-NETs), small cell lung cancer, and hepatocellular carcinoma.
- Innovative Approach: Actinium-based RPTs promise a more targeted and efficacious approach to killing cancer cells through radiation compared to existing treatments.
- Manufacturing Facility: The acquisition includes RayzeBio’s advanced manufacturing facility in Indiana, emphasizing BMS’s commitment to owning manufacturing capabilities in the radiopharmaceutical sector.
- Strategic Focus: BMS aims to diversify its portfolio amidst challenges from patent cliffs and regulatory changes, focusing on smaller opportunities, partnerships, and a robust pipeline for sustained growth and innovation.
- CEO Perspective: CEO Chris Boerner emphasizes the company’s transition towards sustained growth and innovation, highlighting the importance of the pipeline and smaller opportunities in achieving this goal.