Asset Management One Co., Ltd. is required to file a 13D/G report to the SEC when the ownership of a company's total stock issue exceeds 5%.
| Filed | Shares | Percentage | |
|---|---|---|---|
| DCT Industrial Trust Inc. | January 10, 2013 | 4,946,105 | 1.8% |
| DUPONT FABROS TECHNOLOGY, INC. | January 19, 2012 | 996,818 | 1.6% |
| AMERICAN CAMPUS COMMUNITIES INC | January 18, 2011 | 3,298,552 | 4.9% |
| CORPORATE OFFICE PROPERTIES TRUST | January 18, 2011 | 1,692,961 | 2.5% |