Institutional Investors Boost Holdings in iShares Mortgage Real Estate ETF IFP Advisors Inc significantly increased its stake in iShares Mortgage Real Estate ETF (BATS:REM) by 179.6% during Q4, now holding shares worth $36,000. Other institutional investors, including J.W. Cole Advisors and Silver Oak Securities, also raised their positions, signaling growing interest in this ETF amid its recent 2.2% stock price increase.1