Institutional investors hold a majority ownership of OKE through the 70.02% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Gas Distributors industry. Last, during the quarter ended March 2013, these large investors purchased a net $1.6 million shares.
| Other institutional | 37.44% |
| Mutual fund holders | 32.58% |
| Individual stakeholders | 1.97% |