Rational AG (RTLLF) Institutional Ownership and Insiders Activity

Rational AG (RTLLF) is widely held by institutional investors, with 1 tracked firm reporting positions valued at approximately $1.58M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Gardner Russo & Quinn is the largest disclosed holder, reporting approximately $1.58M in RTLLF holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Gardner Russo & Quinn representing the majority of disclosed value.