Aehr Test Systems vs Bio-Rad Laboratories, Inc. Class A Common Stock — how do they compare? Aehr Test Systems trades at $122 (market cap $3.82B), while Bio-Rad Laboratories, Inc. Class A Common Stock trades at $356.44 (market cap $9.43B). The key difference: Bio-Rad Laboratories, Inc. Class A Common Stock is far larger — about 2.5× Aehr Test Systems's market cap. Which is the better fit depends on your goals.
| AEHR | BIO | |
|---|---|---|
Market Cap | $3.82B | $9.43B |
Sector | Technology | Health |
52-Week High | $117.18 | $356.25 |
52-Week Low | $17.38 | $241.71 |
Enterprise Value | $3.72B | $9.18B |
Trailing returns across standard periods
Latest headlines on both assets
Aehr Test Systems provides testing and burn-in solutions for the semiconductor industry. Its systems ensure the reliability of AI processors, data center chips, and electric vehicle components at the wafer and package levels.
Read more on AEHR →Bio-Rad Laboratories, headquartered in Hercules, California, develops, manufactures, and markets products and solutions for the clinical diagnostics and life sciences markets. In diagnostics (53% of sales), Bio-Rad manufactures, sells, and supports test systems and specialized quality controls for clinical laboratories. In life sciences (47% of sales), the firm develops and manufactures a range of instruments and reagents used in research, biopharmaceutical production, and food testing. The company is geographically diverse, with major markets in the Americas (42% of 2021 sales), Europe and Africa (33%), and Asia-Pacific (25%). Bio-Rad owns 37% of Sartorius AG, a laboratory and biopharmaceutical supplier.
Read more on BIO →