Institutional investors hold a majority ownership of MTSC through the 91.15% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Electronic Equipment/Instruments industry. Last, during the quarter ended March 2013, these large investors purchased a net $193.1 thousand shares.
| Mutual fund holders | 47.26% |
| Other institutional | 43.89% |
| Individual stakeholders | 3.26% |