目前共有 12 家机构持有 IONZ，以下按持股市值由高至低排序。
| 主要持有机构 | 总市值 | 平均占比 |
|---|---|---|
| MYDA Advisors LLC | US$87.2万 | 0.14% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | US$80.7万 | 0.00% |
| CITADEL ADVISORS LLC | US$70.1万 | 0.00% |
| Belvedere Trading LLC | US$60.2万 | 0.00% |
| StoneX Group Inc. | US$27.6万 | 0.01% |
| Revere Asset Management, Inc | US$24.1万 | 0.12% |
| Optiver Holding B.V. | US$21.6万 | 0.00% |
| UBS Group AG | US$2.1万 | 0.00% |
| GROUP ONE TRADING LLC | US$5453.0 | 0.00% |
| OSAIC HOLDINGS, INC. | US$1245.0 | 0.00% |
| SIMPLEX TRADING, LLC | US$174.0 | 0.00% |
| CITIGROUP INC | US$25.0 | 0.00% |