| SC 13G/A | 2016-03-07 | Boston Partners | QEP RESOURCES, INC. | 11,476,883 | 5.5% | EDGAR |
| SC 13G/A | 2016-02-11 | WELLINGTON MANAGEMENT GROUP LLP | QEP RESOURCES, INC. | 20,702,299 | 11.7% | EDGAR |
| SC 13G/A | 2016-02-10 | BlackRock Inc. | QEP RESOURCES, INC. | 12,688,175 | 7.2% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | QEP RESOURCES, INC. | 12,181,333 | 6.9% | EDGAR |
| SC 13G/A | 2016-02-08 | Invesco Ltd. | QEP RESOURCES, INC. | 9,082,802 | 5.1% | EDGAR |
| SC 13G/A | 2016-02-05 | INTEGRATED CORE STRATEGIES (US) LLC | QEP RESOURCES, INC. | 5,229,188 | 3.0% | EDGAR |
| SC 13G/A | 2016-01-08 | Boston Partners | QEP RESOURCES, INC. | 18,634,180 | 10.5% | EDGAR |
| SC 13G/A | 2015-12-10 | WELLINGTON MANAGEMENT GROUP LLP | QEP RESOURCES, INC. | 19,571,674 | 11.1% | EDGAR |
| SC 13G | 2015-08-06 | INTEGRATED CORE STRATEGIES (US) LLC | QEP RESOURCES, INC. | 784,615 | 0.4% | EDGAR |
| SC 13G | 2015-02-12 | WELLINGTON MANAGEMENT GROUP LLP | QEP RESOURCES, INC. | 11,726,452 | 6.5% | EDGAR |
| SC 13G | 2015-02-11 | Invesco Ltd. | QEP RESOURCES, INC. | 9,801,224 | 5.4% | EDGAR |
| SC 13G | 2015-02-11 | Boston Partners | QEP RESOURCES, INC. | 14,597,993 | 8.1% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | QEP RESOURCES, INC. | 13,573,325 | 7.5% | EDGAR |
| SC 13G/A | 2015-02-09 | BlackRock Inc. | QEP RESOURCES, INC. | 9,914,687 | 5.5% | EDGAR |
| SC 13G/A | 2014-12-09 | JPMORGAN CHASE & CO | QEP RESOURCES, INC. | - | - | EDGAR |
| SC 13G | 2014-12-04 | QEP RESOURCES, INC. | QEP Midstream Partners, LP | 0 | 0.0% | EDGAR |
| SC 13D/A | 2014-10-15 | JANA PARTNERS LLC | QEP RESOURCES, INC. | 0 | - | EDGAR |
| SC 13D/A | 2014-09-05 | JANA PARTNERS LLC | QEP RESOURCES, INC. | 12,965,656 | - | EDGAR |
| SC 13G/A | 2014-05-08 | BlackRock Inc. | QEP RESOURCES, INC. | 9,960,570 | 5.6% | EDGAR |
| SC 13D/A | 2014-02-24 | JANA PARTNERS LLC | QEP RESOURCES, INC. | 16,875,653 | - | EDGAR |