| SC 13G | 2019-01-22 | WELLS FARGO & COMPANY/MN | Atkore International Group Inc. | 2,430,831 | 5.2% | EDGAR |
| SC 13G | 2018-10-10 | VANGUARD GROUP INC | Atkore International Group Inc. | 4,666,758 | 10.1% | EDGAR |
| SC 13G/A | 2018-05-21 | CD&R Allied Holdings, L.P. | Atkore International Group Inc. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2018-02-21 | LEVIN CAPITAL STRATEGIES, L.P. | Atkore International Group Inc. | 3,114,469 | 4.9% | EDGAR |
| SC 13G/A | 2018-02-09 | CD&R Allied Holdings, L.P. | Atkore International Group Inc. | 13,234,838 | 28.5% | EDGAR |
| SC 13G/A | 2018-02-09 | LEVIN CAPITAL STRATEGIES, L.P. | Atkore International Group Inc. | 4,614,484 | 7.3% | EDGAR |
| SC 13G | 2017-02-24 | LEVIN CAPITAL STRATEGIES, L.P. | Atkore International Group Inc. | 4,035,007 | 6.4% | EDGAR |
| SC 13G | 2017-02-09 | CD&R Allied Holdings, L.P. | Atkore International Group Inc. | 40,810,377 | 64.7% | EDGAR |