Elliott activist stake report drives Bio-Rad's premarket surge

 

Elliott activist stake report drives Bio-Rad's 9% premarket surge.

• WSJ (May 17, 2026) reported Elliott Investment Management built a sizable stake in BIO.
• Elliott plans to push for operational overhaul to boost the underperforming stock price.
• BIO down ~18% YTD in 2026 after Q1 net loss, lowered full-year revenue outlook.
• Elliott also holds stake in Sartorius, where Bio-Rad has a large strategic investment.
• Activist involvement typically sparks hopes for strategic review, efficiencies, or value unlock.
• News broke over the weekend, triggering premarket buying on May 18 with no company response yet.

https://finviz.com/quote?t=BIO&p=d