About the fund

Lead manager: Lewis Kaufman Age: 37 The fund: Thornburg Developing World (THDAX) Headquarters: Santa Fe, N.M. Assets: $759 million Top five holdings: Tencent Holdings Ltd. (China), Siam Commercial Bank (Thailand), Yandex (Russia), NagaCorp Ltd. (Cambodia), Southern Copper Corp. (United States) Morningstar rating: Five stars Performance: Down 5% in the second quarter of 2013