A recent CityWire article noted that private equity firms are extending their holding periods for RIA aggregator firms to take advantage of the industry’s higher margins and long-term growth prospects. This stalling tactic shouldn’t spook their LPs since the RIA sector is renowned for its recurring revenue, above-average margins, and demonstrated ability to grow cash flows over an extended period of time. Not many industries have businesses that can sustain The Rule of 40, which posits that venture investors prefer to invest in businesses in which the profit margin plus the growth rate adds up to at least 40%. The investment management industry is a notable exception since it typically boasts EBITDA margins in the 20% to 30% range and annualized growth in revenue on the order of 10% to 15%. So what’s so scary about paying +15x EBITDA for these businesses? We explore in this week’s post.