According to the source, Pantera-backed Helius Medical Technologies is seeking to raise 500 million dollars to launch a Solana-focused treasury management firm with a strategy targeting staking and DeFi yields, source: the provided X post dated Sep 15, 2025. The company’s shares surged nearly 200 percent intraday following the announcement, highlighting immediate market reaction relevant to SOL ecosystem traders monitoring staking-yield flows and crypto treasury management activity, source: the provided X post dated Sep 15, 2025.