目前共有 12 家機構持有 GRIN，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 |
|---|---|---|
| VICTORY CAPITAL MANAGEMENT INC | US$2.2億 | 0.14% |
| JANE STREET GROUP, LLC | US$1446.2萬 | 0.00% |
| Annex Advisory Services, LLC | US$252.0萬 | 0.05% |
| Inspire Advisors, LLC | US$192.8萬 | 0.16% |
| CITADEL ADVISORS LLC | US$88.8萬 | 0.00% |
| FLOW TRADERS U.S. LLC | US$57.6萬 | 0.02% |
| RAYMOND JAMES FINANCIAL INC | US$36.8萬 | 0.00% |
| Sunbelt Securities, Inc. | US$9.7萬 | 0.01% |
| UBS Group AG | US$9226.0 | 0.00% |
| ASSETMARK, INC | US$8812.0 | 0.00% |
| Johnson Financial Group, Inc. | US$8149.0 | 0.00% |
| OSAIC HOLDINGS, INC. | US$5026.0 | 0.00% |