Institutional investors hold a majority ownership of TSO through the 92.28% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Oil Refining/Marketing industry. Last, during the quarter ended December 2012, these large investors purchased a net $7.2 million shares.
| Other institutional | 50.81% |
| Mutual fund holders | 41.47% |
| Individual stakeholders | 2.68% |