The shareholder basis of A-TEC Industries is characterised by a stable core shareholder structure. Both Privatstiftungen of the Management hold together about 73.4% of the share capital.
Status per June 2011:
| 14.6 million | M.U.S.T private foundation | 55.2% | |
| 1.8 million | J.E.Loidold private foundation | 6.9% | |
| 0.0 million | Treasury shares | 0.0% | |
| 3.0 million | Capital and Industrie Investment | 11.3% | |
| 7.0 million | Free Float | 26.6% |