| SC 13G/A | 2018-02-08 | BlackRock Inc. | AEROJET ROCKETDYNE HOLDINGS, INC. | 11,060,207 | 14.7% | EDGAR |
| SC 13G/A | 2018-02-05 | VICTORY CAPITAL MANAGEMENT INC | AEROJET ROCKETDYNE HOLDINGS, INC. | 2,837,895 | 3.8% | EDGAR |
| SC 13G | 2018-01-10 | VANGUARD GROUP INC | AEROJET ROCKETDYNE HOLDINGS, INC. | 7,543,348 | 10.0% | EDGAR |
| SC 13D/A | 2017-12-26 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 4,180,997 | 5.6% | EDGAR |
| SC 13G/A | 2017-07-10 | FMR LLC | AEROJET ROCKETDYNE HOLDINGS, INC. | 5,760,110 | 7.6% | EDGAR |
| SC 13D/A | 2017-03-27 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 4,180,997 | 5.6% | EDGAR |
| SC 13D/A | 2017-03-07 | GAMCO INVESTORS, INC. ET AL | AEROJET ROCKETDYNE HOLDINGS, INC. | 2,754,505 | 3.7% | EDGAR |
| SC 13G/A | 2017-02-14 | FMR LLC | AEROJET ROCKETDYNE HOLDINGS, INC. | 8,963,584 | 12.8% | EDGAR |
| SC 13G/A | 2017-02-13 | BlueMountain Capital Management, LLC | AEROJET ROCKETDYNE HOLDINGS, INC. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2017-02-13 | Blue Mountain Credit Alternatives Master Fund L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2017-02-10 | VICTORY CAPITAL MANAGEMENT INC | AEROJET ROCKETDYNE HOLDINGS, INC. | 4,824,978 | 6.9% | EDGAR |
| SC 13G/A | 2017-02-08 | NEW SOUTH CAPITAL MANAGEMENT INC | AEROJET ROCKETDYNE HOLDINGS, INC. | 5,399,531 | 7.7% | EDGAR |
| SC 13G/A | 2017-01-12 | BlackRock Inc. | AEROJET ROCKETDYNE HOLDINGS, INC. | 8,676,187 | 12.4% | EDGAR |
| SC 13G | 2016-10-11 | KINGSTOWN CAPITAL PARTNERS, LLC | AEROJET ROCKETDYNE HOLDINGS, INC. | 1,801,483 | 2.6% | EDGAR |
| SC 13D/A | 2016-08-25 | GAMCO INVESTORS, INC. ET AL | AEROJET ROCKETDYNE HOLDINGS, INC. | 2,830,598 | 4.0% | EDGAR |
| SC 13G/A | 2016-07-11 | FMR LLC | AEROJET ROCKETDYNE HOLDINGS, INC. | 6,513,781 | 10.1% | EDGAR |
| SC 13G/A | 2016-02-12 | NEW SOUTH CAPITAL MANAGEMENT INC | AEROJET ROCKETDYNE HOLDINGS, INC. | 4,171,740 | 6.5% | EDGAR |
| SC 13G | 2016-02-12 | FMR LLC | AEROJET ROCKETDYNE HOLDINGS, INC. | 4,404,701 | 6.9% | EDGAR |
| SC 13G | 2016-02-12 | VICTORY CAPITAL MANAGEMENT INC | AEROJET ROCKETDYNE HOLDINGS, INC. | 3,500,633 | 5.4% | EDGAR |
| SC 13G/A | 2016-02-02 | BlueMountain Capital Management, LLC | AEROJET ROCKETDYNE HOLDINGS, INC. | 4,776,982 | 7.4% | EDGAR |