ISHARES S&P MID-CAP 400 GROW (IJK) Institutional Ownership and Insiders Activity

ISHARES S&P MID-CAP 400 GROW (IJK) is widely held by institutional investors, with 3 tracked firms reporting positions valued at approximately $2.47M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Renaissance Technologies LLC is the largest disclosed holder, reporting approximately $2.09M in IJK holdings in its latest filing.

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