目前共有 14 家機構持有 EFOI，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 |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | US$8.4萬 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$6.9萬 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$3.8萬 | 0.00% |
| RENAISSANCE TECHNOLOGIES LLC | US$2.0萬 | 0.00% |
| BlackRock, Inc. | US$6328.0 | 0.00% |
| Tower Research Capital LLC (TRC) | US$3773.0 | 0.00% |
| MORGAN STANLEY | US$889.0 | 0.00% |
| BankPlus Trust Department | US$86.0 | 0.00% |
| UBS Group AG | US$79.0 | 0.00% |
| OSAIC HOLDINGS, INC. | US$21.0 | 0.00% |
| Federation des caisses Desjardins du Quebec | US$15.0 | 0.00% |
| COUNTRY TRUST BANK | US$8.0 | 0.00% |
| WELLS FARGO & COMPANY/MN | US$2.0 | 0.00% |
| ROYAL BANK OF CANADA | US$0.0 | 0.00% |