SEMRUSH HOLDINGS INC-A (SEMR) Institutional Ownership and Insiders Activity

SEMRUSH HOLDINGS INC-A (SEMR) is widely held by institutional investors, with 5 firms reporting positions valued at approximately $13.31M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Janus Henderson Group Plc is the largest disclosed holder, reporting approximately $9.44M in SEMR holdings in its latest filing.

Institutional ownership remains highly concentrated, with Janus Henderson Group Plc representing the majority of disclosed value.