5 Best Weight Loss Drug Stocks to Buy in 2026

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

Number of Hedge Fund Holders: 115

Thermo Fisher Scientific Inc. (NYSE:TMO) is one of the best weight loss drugs on this list.

TheFly reported on June 1 that Wolfe Research analyst Mike Polark initiated coverage of TMO with an Outperform rating and set a $535 price target. The firm highlighted TMO’s strong position in the life sciences tools and diagnostics industry, describing the company as a key player in the sector. Wolfe Research also noted its positive view of Thermo Fisher’s business strategy, particularly its history of expanding through acquisitions.

Moreover, on June 1, Thermo Fisher Scientific Inc. (NYSE:TMO) announced that it introduced new advancements across its Orbitrap mass spectrometry platform, AI-powered software, and integrated laboratory solutions. The company expanded its technology portfolio to support researchers, biopharmaceutical developers, and applied testing laboratories dealing with increasingly complex samples and larger data volumes.

TMO’s latest innovations combine high-resolution, accurate-mass capabilities with connected workflows to improve scientific analysis, accelerate drug discovery, and enhance testing accuracy in areas such as food, environmental, and biological research. The company showcased new Orbitrap systems, software enhancements, and analytical tools designed to provide faster insights and more reliable results across multiple scientific applications.

Thermo Fisher Scientific Inc. (NYSE:TMO) is a life sciences company benefiting from the growth of weight-loss drugs by supplying biopharma services, manufacturing support, and key components needed to scale production of GLP-1 therapies. It provides indirect exposure to the obesity market.

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