Institutional investors hold a majority ownership of TDC through the 90.80% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Information Technology Services industry. Last, during the quarter ended December 2012, these large investors purchased a net $309.7 thousand shares.
| Other institutional | 47.98% |
| Mutual fund holders | 42.81% |
| Individual stakeholders | 0.85% |