Conn. Gen. Stat. § 42a-8-502: Assertion of adverse claim against entitlement holder.

An action based on an adverse claim to a financial asset, whether framed in conversion, replevin, constructive trust, equitable lien or other theory, may not be asserted against a person who acquires a security entitlement under section 42a-8-501 for value and without notice of the adverse claim.