Net investment assets include the current value minus debts related to real estate (other than the home in which you live), stocks, bonds, certificates of deposit, and 529 plans owned by parents.
Assets do not include the home in which you live, the value of life insurance, retirement plans (401[k] plans, pension funds, annuities, non-education IRAs, Keogh plans, etc.), or the value of small business or family farm.