ISHARES US UTILITIES ETF (IDU) Institutional Ownership and Insiders Activity

ISHARES US UTILITIES ETF (IDU) is widely held by institutional investors, with 3 tracked firms reporting positions valued at approximately $685,349 based on SEC Form 13F filings for the quarter ended March 31, 2026.

Renaissance Technologies LLC is the largest disclosed holder, reporting approximately $429,607 in IDU holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Renaissance Technologies LLC representing the majority of disclosed value.