BLACKLINE INC (BL) Institutional Ownership and Insiders Activity

BLACKLINE INC (BL) is widely held by institutional investors, with 1 tracked firm reporting positions valued at approximately $50.60M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Engaged Capital is the largest disclosed holder, reporting approximately $50.60M in BL holdings in its latest filing.

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