Abound Wealth Management acquired a new stake in shares of Rambus in the third quarter valued at approximately $28,000. Bessemer Group Inc. grew its position in shares of Rambus by 105.8% during the second quarter. Finally, Hantz Financial Services Inc. grew its position in shares of Rambus by 1,386.0% during the second quarter. Rambus Stock Up 7.5%Shares of NASDAQ:RMBS opened at $124.44 on Thursday. Zacks Research upgraded shares of Rambus to a “hold” rating in a research report on Monday.