Schedule K-1

When an investment is held through a partnership rather than owned directly, the partnership itself does not pay federal income tax. Instead, income and losses "pass through" to the individual partners, who report their share on their own returns. The K-1 is the document that communicates exactly what each partner must report. It breaks out ordinary income, capital gains, interest, dividends, and various deductions into separate line items, each of which may be taxed differently.

K-1s create two practical headaches for wealthy families. First, they arrive late — partnerships are allowed extended deadlines, and it is common to receive K-1s weeks or even months after the standard April filing deadline. Families with many partnership interests routinely file for extensions simply because the forms have not arrived. Second, restated K-1s — corrections issued after the original — can require amended personal tax returns, which adds cost and complexity.

A founder who sold her logistics company and reinvested the proceeds across a dozen private funds might receive K-1s from every one of those funds, each on its own schedule. This is one reason tax coordination across a family's holdings becomes its own discipline rather than an annual event. Readers should work with a qualified CPA to manage K-1 tracking and understand how each form interacts with their overall tax picture. The investment management choices a family makes directly determine how many K-1s they will face each year.