Sankaty Credit Opportunities IV LP is a Delaware limited partnership. As of 2009, it held $1.4 billion in assets and reported a $445 million increase in capital for the year.
In 2011, the Ann D. Romney Blind Trust held between $1,000 and $15,000 in the partnership and earned between $50,000 and $100,000. In 2011, Mitt Romney's IRA held between $1 million and $5 million, and earned between $100,000 and $1 million.
The 2010 return for the Ann Romney Trust reported income from the general partner, Sankaty Credit Opportunities Investors IV LLC.