INVESTOR FIRMS HAVE 25.5 PCT OF SYMBION &lt;SYMB>

  A group of affiliated firms led by
  Warburg, Pincus Capital Co L.P., a New York venture capital and
  investment partnership, said it has acquired 1,920,527 shares
  of Symbion Inc, or 25.5 pct of the total outstanding.
      In a filing with the Securities and Exchange Commission,
  the Warburg Pincus group said it bought the stake for
  investment purposes.
      Although the group said it is considering buying more
  shares of Symbion, it said it has no plans to seek control of
  the company.
  

