SPDR S&P 500 ETF Trust

SPY, the SPDR S&P 500 ETF Trust, State Street's fund holding the S&P 500, meaning the 500 largest companies listed in the US and roughly 80% of the US equity market by value. Holdings are weighted by market value rather than equally, so the largest few companies account for an outsized share of how the index moves. SPY launched in 1993 as the first exchange-traded fund listed in the US. SPY on Robinhood Chain is a Robinhood Stock Token, a tokenised debt security issued by Robinhood Assets (Jersey) Limited and backed by shares of the fund held in custody at Alpaca Securities.