BLACKROCK INC (BLK) Institutional Ownership and Insiders Activity

BLACKROCK INC (BLK) is widely held by institutional investors, with 6 tracked firms reporting positions valued at approximately $1.01B based on SEC Form 13F filings for the quarter ended March 31, 2026.

ValueAct Holdings is the largest disclosed holder, reporting approximately $525.19M in BLK holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with ValueAct Holdings representing the majority of disclosed value.