12 Best Medical Stocks to Invest In According to Billionaires 

8. Thermo Fisher Scientific Inc. (NYSE:TMO)

Number of Billionaire Holders: 27

Thermo Fisher Scientific Inc. (NYSE:TMO) is one of the best medical stocks to invest in according to billionaires. Thermo Fisher Scientific Inc. (NYSE:TMO) announced on May 18 the opening of a new bioanalytical and biomarker laboratory in Gothenburg, Sweden. Management stated that the new facility is located within GoCo Health Innovation City and expands the company’s global bioanalytical capabilities to support biotechnology and pharmaceutical customers across all phases of drug development.

Thermo Fisher Scientific Inc. (NYSE:TMO) reported that the facility boasts an advanced technology suite that includes cell-based assays, liquid chromatography-mass spectrometry, immunochemistry, molecular genomics, flow cytometry, and proteomics, which supports both small molecules and complex therapeutic modalities.

For reference, in its financial results for fiscal Q1 2026, Thermo Fisher Scientific Inc. (NYSE:TMO) reported that revenue for the quarter rose 6% to $11.01 billion, compared to $10.36 billion in the same quarter last year. Organic revenue underwent a 1% growth. Management further reported that the GAAP diluted EPS in fiscal Q1 2026 was $4.43, reflecting an 11% growth compared to the prior year period. GAAP operating income for the quarter reached $1.86 billion, up 9% versus the year-ago quarter, while GAAP operating margin was 16.9%, compared with 16.6% in fiscal Q1 2025.

Thermo Fisher Scientific Inc. (NYSE:TMO) provides analytical instruments, reagents, equipment, software, and other services for analysis, research, diagnostics, and discovery. It operates through the Analytical Instruments, Life Sciences Solutions, Laboratory Products and Services, and Specialty Diagnostics segments.

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