marshall motor holdings plc or mmh said friday that its largest shareholder marshall of cambridge holdings ltd or mch is considering selling its entire 644 stake in the company based on mmhs closing share price on friday of 2740 pence the stake could be worth up to 1381 million pounds 184 million given the companys market cap of gbp2144 million the uk motordealer group said that mch is mulling the disposal after a strategic review of its business interests mmh said no action has been made to contact any potential buyers but constellation automotive group has requested it be given an opportunity to take part in any sale process there can be no certainty a formal offer will be made nor of the terms mmh added under uk takeover panel rules constellation has until dec 24 to say whether it will make a firm intention to make an offer