Amazon disclosed a $36.7 million stake in quantum computing company IonQ, owning 854,207 shares as of the end of the second quarter. This represents a reduction from a previous holding of 1,927,061 shares, indicating a partial sell-off from its earlier position. Following the disclosure, IonQ's shares rose by approximately 4% to $43.77 in after-hours trading. The move highlights Amazon's continued interest in advancing quantum technology amid a broader sector funding of $2.4 billion. Additionally, IonQ announced a leadership change with CEO Niccolo de Masi appointed as Chairman of the Board, succeeding Peter Chapman who stepped down as Executive Chairman and board member. IonQ is also expected to release its second-quarter financial results soon.