Westwood firm Shamrock Capital Advisors, which began as an investment adviser for the Disney family, announced Tuesday that it has acquired audiobook publisher Recorded Books in Prince Frederick, Md. Terms were not disclosed.

Hermosa Beach firm Marlin Equity Partners announced Thursday that it has agreed to acquire AdvancedMD, a South Jordan, Utah, medical software company from payroll processing giant ADP of Roseland, N.J. Terms were not disclosed.