The 20-year old midfielder has scored 12 goals in 27 outings while on loan with Notts County this term which his alerted their tier three rivals over at the Molineux.
"There is a number of teams interested, including Wolves. But, as yet, there is no firm offer," McGregor's representative Kenny Moyes told BBC Scotland.
Notts are keen to keep McGregor at Meadow Lane for the rest of the campaign which would suit Celtic as they are not keen to sell.
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