It used to be that when the kids left home, parents could pocket the savings.

But the empty nester is becoming a rare bird, according to a new study from UBS.

The financial services company reports that four out of five investors are providing support for adult children or parents. One out of five is sharing a home with those adults.

“This has a real impact on the definition of a comprehensive financial plan,” warns UBS.

The need for help with this kind of problem is also affecting the way clients see their financial advisors, the company said.

According to UBS, 64 percent of investors are extremely satisfied with their financial advisors who have helped them plan for long-term care and parent and child needs, while only 34 percent express the same level of confidence in advisors who have not worked with them on these issues.