Institutional ownership refers to the ownership stake in a company that is held by large financial organizations, pension funds or endowments. The Institutional ownership for the NKE is 85.10%. Insider trading is the buying or selling of any publicly traded company's stock and this can be done by someone who has non-public, material information about that NKE. Insider trading can be illegal or legal depending on when the insider makes the trade. It is illegal when the material information is still non-public. The insider transactions of the company (6-month change in insider ownerships) for the NIKE, Inc. (NYSE:NKE) is -5.31%. Institutional ownership is the amount of a NIKE, Inc. (NYSE:NKE)'s available stock owned by mutual or pension funds, insurance companies, investment firms, private foundations, endowments or other large entities that actually manage the funds on the behalf of others, so its an interesting element for the traders to note it, and the Institutional ownership for the NKE is 0.87%.