Blackstone invests $300M in DDN, which helps firms more efficiently store and analyze data for AI and HPC, at a $5B valuation; it is DDN's first outside funding Wall Street Journal : Wall Street Journal 2025-01-09 Blackstone, DDN, HPC, Wall Street Journal Related Coverage DDN Receives $300M to Scale AI Infrastructure and HPC Solutions HPCwire Blackstone invests $300M in DDN to boost AI storage business Blocks and Files Blackstone Invests $300 Million In AI Data Firm That Powers Elon Musk's xAI Supercomputer Benzinga Exclusive: Blackstone is investing $300 million in DDN, a company that helps organizations more efficiently store and analyze large amounts of data. … Miriam Gottfried