** Shares of device management software provider Jamf Holding JAMF.O rise 5% to $11.08
** Vista Equity-backed JAMF is exploring a sale as weakness in its stock price makes it a prime takeover candidate for other companies, Reuters reports
** JAMF is working with Citigroup bankers on the sale
** Vista Equity, which owns 34% of JAMF'S stock, is expected to exit its position as part of the sale
** Citi and Vista declined to comment, while Jamf did not respond to a request
** JAMF had fallen 25% YTD, as of last close