目前共有 11 家機構持有 KDDIY，以下依持股市值由高至低排序。
| 主要持有機構 | 總市值 | 平均佔比 |
|---|---|---|
| RHUMBLINE ADVISERS | US$120.5萬 | 0.00% |
| Sterling Capital Management LLC | US$42.0萬 | 0.01% |
| O'Brien Greene & Co. Inc | US$33.4萬 | 0.09% |
| GAMMA Investing LLC | US$21.8萬 | 0.01% |
| Calydon Capital | US$18.4萬 | 0.03% |
| PARADIGM ASSET MANAGEMENT CO LLC | US$6.0萬 | 0.01% |
| PNC FINANCIAL SERVICES GROUP, INC. | US$4.6萬 | 0.00% |
| Salomon & Ludwin, LLC | US$1.4萬 | 0.00% |
| Benson Wealth Management INC | US$4176.0 | 0.01% |
| IMA Advisory Services, Inc. | US$1324.0 | 0.00% |
| First Command Advisory Services, Inc. | US$973.0 | 0.00% |