Does beef tenderloin shrink while cooking?

Yes, beef tenderloin does shrink while cooking due to the loss of moisture. The amount of shrinkage can vary depending on the cooking method, temperature, and doneness level desired. On average, beef tenderloin shrinks about 25% during cooking, but it can shrink up to 40% if overcooked. To minimize shrinkage, cook beef tenderloin at a low temperature and use a meat thermometer to ensure it reaches the desired doneness without overcooking.