A major shareholder continues cashing in its position in Overseas Shipholding Group (OSG) amid takeover rumours and a weakening US tanker market.

London energy investor CF Partners Capital Management has whittled its holdings in the Jones Act tanker owner down to 1.15m shares from 4.45m, regulatory filings show.

The sell-off comes after CF Partners disclosed in March its holding had fallen to 4.45m