These Mid-Cap Stocks Soared Over 300% in 2024—Here's Why

A few mid-cap stocks didn't just beat the market—they exploded. With gains up to 327%, these under-the-radar companies are rewriting the rules of growth investing.

, and Administrator

2026 April 11 . 8:01 PM

1 min read

The image shows an old book with a table of numbers on it, which appears to be a stock index. The... — The image shows an old book with a table of numbers on it, which appears to be a stock index. The paper is filled with text and numbers, likely representing the stock prices of various companies.

These Mid-Cap Stocks Soared Over 300% in 2024—Here's Why

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U.S. mid-cap stocks have delivered solid year-to-date performance amid favorable economic conditions and broadening market participation, despite recent volatility due to geopolitical challenges.

In light of this, below is a list of the top 10 mid-cap stocks ranked by their year-to-date performance. The list includes companies from sectors such as biotechnology, semiconductor materials and equipment, pharmaceuticals, and communications equipment.

The list is topped by ImmunityBio, Inc. (IBRX), with a YTD performance of 327.78%. Erasca, Inc. (ERAS) follows closely behind with gains of 292.47%, while AXT, Inc. (AXTI) rounds out the top three with a 231.74% increase.

Other notable performers include Alumis Inc. (ALMS) and Applied Optoelectronics, Inc. (AAOI), both showing gains above 150%. Among the top 10, two stocks carry Strong Buy quant ratings: Fastly, Inc. (FSLY) with a rating of 4.99 and Ultra Clean Holdings, Inc. (UCTT) with a rating of 4.97.

Here is the list:

ImmunityBio, Inc. (IBRX), YTD perf: 327.78%, Quant Rating: Hold 3.48
Erasca, Inc. (ERAS), YTD perf: 292.47%, Quant Rating: Hold 3.49
AXT, Inc. (AXTI), YTD perf: 231.74%, Quant Rating: Hold 3.48
Alumis Inc. (ALMS), YTD perf: 156.76%, Quant Rating: Hold 3.49
Applied Optoelectronics, Inc. (AAOI), YTD perf: 151.12%, Quant Rating: Hold 3.49
Fastly, Inc. (FSLY), YTD perf: 147.54%, Quant Rating: Strong Buy 4.99
Babcock & Wilcox Enterprises, Inc. (BW), YTD perf: 139.43%, Quant Rating: Hold 3.49
Amprius Technologies, Inc. (AMPX), YTD perf: 130.67%, Quant Rating: Hold 3.49
Day One Biopharmaceuticals, Inc. (DAWN), YTD perf: 130.04%, Quant Rating: Hold 3.46
Ultra Clean Holdings, Inc. (UCTT), YTD perf: 127.67%, Quant Rating: Strong Buy 4.97