Shares of proteomics innovator Quantum-Si (NASDAQ: QSI) had a wild 2023. The start-up enables cutting-edge research into the world of proteins, which can hold the key to developing advanced healthcare treatments and broadening our understanding of biology at large.

Shares shot higher in July when famed tech investor Cathie Wood started buying the stock again. Wood's Ark Genomic Revolution ETF owns nearly 12% of Quantum-Si as of this writing.

Proteomics is still early in commercial development. But it's promising enough that medical instrumentation and services giant Thermo Fisher Scientific (NYSE: TMO) is acquiring another proteomics equipment start-up, Olink (NASDAQ: OLK), for $3.1 billion. The offer was announced in October, a few months after Wood's latest Quantum-Si stock purchase, and was a 74% premium to where Olink was trading prior to the deal announcement.

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Source Fool.com