ImmunityBio Soars 41% on EU Cancer Drug Approval

ImmunityBio (IBRX) surged 41.36% on Wednesday after receiving conditional marketing authorization from the European Commission for its Anktiva immunotherapy. The drug is approved for use alongside the BCG vaccine in treating BCG-unresponsive bladder cancer, marking a significant regulatory milestone for the company.

Trading volume exploded to 78.5 million shares, nearly triple the three-month average of 28.2 million shares. This massive volume indicates strong institutional and retail interest following the EU approval news, which represents a major commercial opportunity for the biotech firm.

The approval comes amid a remarkable turnaround year for ImmunityBio, with the stock more than quadrupling in 2026. The company has demonstrated impressive execution, growing Anktiva sales by over 700% in 2025 while securing multiple international regulatory approvals.

Despite the recent surge, ImmunityBio remains 75% below its IPO price from 2015, highlighting the volatile nature of clinical-stage biotech investing. The EU approval represents validation but comes with the typical conditional marketing requirements that must be met.

The European Commission's conditional marketing authorization gives ImmunityBio access to over 30 new countries, dramatically expanding Anktiva's total addressable market. Europe represents one of the world's largest healthcare markets, providing significant revenue potential beyond the company's existing US business.

This approval positions Anktiva as a globally relevant cancer immunotherapy at a time when the company is demonstrating multiple growth vectors. Beyond bladder cancer, ImmunityBio has released promising data showing Anktiva's potential in treating non-small cell lung cancer and other solid tumors.

The regulatory success validates ImmunityBio's platform technology and could accelerate partnership discussions with larger pharmaceutical companies seeking innovative oncology assets. The company's ability to secure approvals in multiple regions suggests strong clinical data and regulatory strategy.

For investors, the approval reduces regulatory risk but introduces commercial execution risk. ImmunityBio must now demonstrate it can successfully launch and commercialize Anktiva across diverse European markets with different reimbursement systems.

The mixed performance among biotech peers like Iovance Biotherapeutics (+3.82%) and Krystal Biotech (-1.58%) suggests this is largely an ImmunityBio-specific catalyst rather than a broader sector movement.