Skeleton Technologies Funding Round

Tallinn-based Skeleton Technologies announced an undisclosed 9-digit investment led by Siemens, a follow-on to its €33 million first close in May 2026 which had brought cumulative venture funding to €392 million, lifting its valuation to over €899 million (~$1 billion) ahead of a planned US IPO in 2027. No specific revenue, client, pipeline or employee metrics were disclosed, though the company claims its Curved Graphene-based supercapacitor systems for AI data centers deliver up to 40% energy savings and double-digit GPU performance improvements. The funds will primarily accelerate expansion of its US manufacturing footprint and R&D activities in Silicon Valley to meet hyperscaler demand and establish a full US value chain from cells to complete systems.