According to the latest 13-F filings, Tiger Global Management, the hedge fund managed by billionaire Chase Coleman, significantly reduced its stake in NVIDIA by approximately 7% in the second quarter, while initiating a new position in AMD. As of June 30, AMD accounted for about 1.6% of its portfolio, valued at nearly $400 million. Despite the reduction, NVIDIA remains the fund's third-largest holding, valued at $2.2 billion.