Ownership of Soluna Holdings, Inc. (SLNH) is distributed among individual insiders, institutional asset managers, and specialized private equity entities. Prominent individual insiders holding substantial blocks include Michael Toporek and Robert Bugbee, alongside institutional investment firms such as BlackRock, Vanguard Capital Management, Geode Capital Management, and J. Goldman & Co. These stakeholders maintain varying equity percentages influenced by periodic secondary offerings, warrant conversions, and institutional rebalancing across public micro-cap technology markets.