VANTABIO.BO Vanta Bioscience BSE -18.25% pre-market 18 Feb 2026: 55% downside

We see VANTABIO.BO stock slide in pre-market trade on 18 Feb 2026 after a heavy sell-off. Vanta Bioscience Limited (VANTABIO.BO) on the BSE opened at INR 16.26, down 18.25% from the prior close of INR 19.89, with volume at 750 shares. The move follows weak fundamentals: EPS -6.84, PE -2.38, and a market cap of INR 115,641,120.00. In this top losers note we unpack valuation, technicals, sector context and model-driven price forecasts to show why traders are selling and what risks remain for investors.