Unlock stock picks and a broker-level newsfeed that powers Wall Street. Upgrade Now Dusseldorf - Delayed Quote • EUR Quantum Biopharma Ltd. R (0K91.DU) Follow Compare 5.85 -0.55 (-8.59%) At close: April 11 at 8:13:16 AM GMT+2 Major Holders Insider Roster Insider Transactions Insider Sentiment