| SC 13G/A | 2018-02-14 | COHEN & STEERS INC | DUPONT FABROS TECHNOLOGY, INC. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2017-02-14 | COHEN & STEERS INC | DUPONT FABROS TECHNOLOGY, INC. | 9,205,513 | 12.2% | EDGAR |
| SC 13G/A | 2017-02-13 | VANGUARD SPECIALIZED FUNDS | DUPONT FABROS TECHNOLOGY, INC. | 5,735,666 | 7.6% | EDGAR |
| SC 13G/A | 2017-02-10 | SYSTEMATIC FINANCIAL MANAGEMENT LP | DUPONT FABROS TECHNOLOGY, INC. | 806,742 | 1.1% | EDGAR |
| SC 13G/A | 2017-02-09 | VANGUARD GROUP INC | DUPONT FABROS TECHNOLOGY, INC. | 13,557,691 | 17.9% | EDGAR |
| SC 13G/A | 2017-01-23 | BlackRock Inc. | DUPONT FABROS TECHNOLOGY, INC. | 6,826,812 | 9.0% | EDGAR |
| SC 13G | 2016-09-12 | COHEN & STEERS INC | DUPONT FABROS TECHNOLOGY, INC. | 8,026,623 | 10.6% | EDGAR |
| SC 13G/A | 2016-08-10 | FMR LLC | DUPONT FABROS TECHNOLOGY, INC. | 348,096 | 0.5% | EDGAR |
| SC 13G/A | 2016-05-10 | FMR LLC | DUPONT FABROS TECHNOLOGY, INC. | 4,544,574 | 6.1% | EDGAR |
| SC 13G/A | 2016-02-12 | FMR LLC | DUPONT FABROS TECHNOLOGY, INC. | 8,091,145 | 12.3% | EDGAR |
| SC 13G/A | 2016-02-11 | VANGUARD GROUP INC | DUPONT FABROS TECHNOLOGY, INC. | 10,158,447 | 15.4% | EDGAR |
| SC 13G/A | 2016-02-11 | HEITMAN REAL ESTATE SECURITIES LLC | DUPONT FABROS TECHNOLOGY, INC. | 0 | 0.0% | EDGAR |
| SC 13G | 2016-02-11 | SYSTEMATIC FINANCIAL MANAGEMENT LP | DUPONT FABROS TECHNOLOGY, INC. | 3,784,555 | 5.8% | EDGAR |
| SC 13G/A | 2016-02-09 | VANGUARD SPECIALIZED FUNDS | DUPONT FABROS TECHNOLOGY, INC. | 4,714,723 | 7.2% | EDGAR |
| SC 13G/A | 2016-01-26 | BlackRock Inc. | DUPONT FABROS TECHNOLOGY, INC. | 5,576,948 | 8.5% | EDGAR |
| SC 13G/A | 2015-12-10 | FMR LLC | DUPONT FABROS TECHNOLOGY, INC. | 7,460,826 | 11.4% | EDGAR |
| SC 13G/A | 2015-03-31 | HEITMAN REAL ESTATE SECURITIES LLC | DUPONT FABROS TECHNOLOGY, INC. | 529,681 | 8.0% | EDGAR |
| SC 13G/A | 2015-02-13 | FMR LLC | DUPONT FABROS TECHNOLOGY, INC. | 3,618,564 | 5.5% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | DUPONT FABROS TECHNOLOGY, INC. | 9,861,555 | 15.0% | EDGAR |
| SC 13G | 2015-02-10 | SYSTEMATIC FINANCIAL MANAGEMENT LP | DUPONT FABROS TECHNOLOGY, INC. | 4,843,206 | 7.4% | EDGAR |