Billionaire Mario Gabelli’s 10 Large-Cap Stock Picks with Huge Upside Potential

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

Gamco Investors Equity Stake: $2.15 Million

Market Capitalization as of May 5: $159.40 Billion

Stock Upside Potential as of May 5: 33.32%

Number of Hedge Fund Holders: 100

Thermo Fisher Scientific Inc. (NSE:TMO) is a healthcare company providing life sciences solutions, analytical instruments, specialty diagnostics, laboratory products, and biopharma services. While the stock has underperformed, going down by about 18% year-to-date, its underlying fundamentals remain solid. Consequently, analysts at Bernstein maintain a positive stance, going by an Outperform rating and a $690 price target.

While Thermo Fisher Scientific Inc. (NSE:TMO) remains susceptible to tariff risk, analysts are confident of its ability to pass the increased costs on to customers, given the strong demand for its scientific instruments and laboratory supplies. Solid first-quarter 2025 results echoed the sentiments amid an uncertain macroeconomic environment. The lab equipment and life science solutions company posted adjusted earnings per share of $5.15, above the $5.10 a share that analysts expected. Revenue in the quarter totaled $10.36 billion against $10.23 billion expected.

Amid the tariff risks, Thermo Fisher Scientific Inc. (NSE:TMO) is increasingly strengthening its product pipeline in pursuit of new growth opportunities. In the first quarter, it launched several innovative products, including the Thermo Scientific Vulcan Automated Lab and the next-generation Thermo Scientific Transcend, enhancing its market leadership. It also inked a $4.1 billion acquisition deal for Solventum’s Purification & Filtration business to further strengthen its bio-production business, especially in biologics development.