Primo Brands' Spring Water Sales Increase 4.1%: What's Driving Growth?

Primo Brands Corporation (PRMB) delivered broad-based growth in Q2 fiscal 2026, with regional spring water net sales increasing 4.1%. The company gained both value and volume share across brands and channels, and identified cold and immediate consumption as high-growth, high-margin opportunities. However, PRMB shares have underperformed the industry over the past six months, trading at a forward P/E of 13.47 with a Zacks Rank #3 (Hold) rating.