Institutional investors hold a majority ownership of ATK through the 86.66% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Aerospace & Defense industry. Last, during the quarter ended December 2012, these large investors purchased a net $329.1 thousand shares.
| Mutual fund holders | 50.66% |
| Other institutional | 35.99% |
| Individual stakeholders | 1.71% |