Solana-based exchange-traded funds (ETFs) continued to see strong institutional interest last week, recording $33.6 million in net inflows with zero outflows across all listed products, according to data from SoSoValue.The inflows cover the period from December 8 to December 12 (Eastern Time) and signal sustained demand for regulated Solana exposure despite broader market volatility.Bitwise and Grayscale Lead SOL ETF InflowsAmong the seven Solana spot ETFs currently trading, Bitwise’s Solana ETF (BSOL) posted the largest weekly inflow:Bitwise Solana ETF (BSOL)Weekly net inflow: $15.9 millionHistorical cumulative inflow: $609 millionThe Grayscale Solana ETF (GSOL) ranked second:Grayscale SOL ETF (GSOL)Weekly net inflow: $8.73 millionHistorical cumulative inflow: $97.74 millionNotably, none of the seven SOL spot ETFs recorded net outflows, underscoring broad-based institutional accumulation rather than rotation between issuers.SOL Spot ETF Market Nears $1 Billion in AssetsAs of press time, the Solana spot ETF market shows continued growth:Total net asset value (NAV): $907 millionCumulative historical net inflows: $675 millionETF net asset ratio: 1.23% of Bitcoin’s total market capitalizationThe steady rise in assets places Solana among the fastest-growing altcoin ETF segments, following the earlier momentum seen in Bitcoin and Ethereum products.