Shamrock Holdings, Inc., or Shamrock, is a private equity firm founded as the Roy E. Disney family's investment firm; the Disney family remains its sole investor. Shamrock is a private corporation, and is fully owned by the estate of Roy E. Disney.
Disney was the chairman of Shamrock, and Stanley Gold was its president and CEO. Shamrock assets include hotels and radio and television stations. Shamrock often takes an aggressive strategy, launching hostile takeovers. From Wikipedia
