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

SEMRUSH HOLDINGS INC-A (SEMR) is widely held by institutional investors, with 6 firms reporting positions valued at approximately $13.33M based on SEC Form 13F filings for the quarter ended June 30, 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.