| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2014-02-07 | WADDELL & REED FINANCIAL INC | QTS Realty Trust, Inc. | 2,500,000 | 8.7% | EDGAR |
| SC 13G | 2013-11-12 | COHEN & STEERS INC | QTS Realty Trust, Inc. | 2,899,281 | 10.0% | EDGAR |
| SC 13D | 2013-10-25 | Williams Chad L. | QTS Realty Trust, Inc. | 6,717,261 | 18.9% | EDGAR |
| SC 13D | 2013-10-23 | GENERAL ATLANTIC LLC | QTS Realty Trust, Inc. | 16,643,645 | 57.7% | EDGAR |