The rising cash holdings of U.S. corporations is increasingly in the hands of a few U.S. companies, with just five tech firms having grabbed a third of it. And nearly three-quarters of cash held by non-financial U.S. companies is stashed overseas, outside the long arm of Uncle Sam.

Apple (AAPL), Microsoft (MSFT), Alphabet (GOOGL), Cisco Systems (CSCO) and Oracle (ORCL) are sitting on $504 billion, or 30%, of the $1.7 trillion in cash and cash equivalents held by U.S. non-financial companies in 2015, according to an analysis released Friday by ratings agency Moody’s Investors Service. That’s even more cash concentration than in previous years, as these five companies held 27% of cash in 2014 and 25% in 2013. Apple alone is holding more cash and investments than eight of the 10 entire industry sectors. READ MORE