目前共有 17 家機構持有 FLX，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 |
|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | US$1721.4萬 | 0.00% |
| CITADEL ADVISORS LLC | US$26.3萬 | 0.00% |
| RENAISSANCE TECHNOLOGIES LLC | US$20.5萬 | 0.00% |
| MARSHALL WACE, LLP | US$19.5萬 | 0.00% |
| JANE STREET GROUP, LLC | US$18.0萬 | 0.00% |
| GOLDMAN SACHS GROUP INC | US$16.7萬 | 0.00% |
| Centiva Capital, LP | US$8.9萬 | 0.00% |
| XTX Topco Ltd | US$8.1萬 | 0.00% |
| Invesco Ltd. | US$7.4萬 | 0.00% |
| DIMENSIONAL FUND ADVISORS LP | US$6.6萬 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$6.4萬 | 0.00% |
| Point72 Asset Management, L.P. | US$5.1萬 | 0.00% |
| ROYAL BANK OF CANADA | US$1.7萬 | 0.00% |
| UBS Group AG | US$249.0 | 0.00% |
| EverSource Wealth Advisors, LLC | US$101.0 | 0.00% |
| IMA Advisory Services, Inc. | US$92.0 | 0.00% |
| Smartleaf Asset Management LLC | US$5.0 | 0.00% |