現在 16 社の機関がSEAを保有しており、以下は保有時価総額の高い順です。
| 主要保有機関 | 申告総額 | 平均比率 |
|---|---|---|
| IMC-Chicago, LLC | $9573.7万 | 0.02% |
| JPMORGAN CHASE & CO | $5350.9万 | 0.00% |
| SIMPLEX TRADING, LLC | $3210.5万 | 0.01% |
| GROUP ONE TRADING LLC | $2403.1万 | 0.03% |
| Capital Markets Trading UK LLP | $419.9万 | 0.04% |
| BENJAMIN EDWARDS INC | $258.9万 | 0.03% |
| HRT FINANCIAL LP | $131.6万 | 0.00% |
| SG Americas Securities, LLC | $92.4万 | 0.00% |
| JANE STREET GROUP, LLC | $71.7万 | 0.00% |
| CITADEL ADVISORS LLC | $57.4万 | 0.00% |
| CoreCap Advisors, LLC | $23.0万 | 0.01% |
| OSAIC HOLDINGS, INC. | $2.2万 | 0.00% |
| LGT Financial Advisors LLC | $1.1万 | 0.06% |
| UBS Group AG | $8927.0 | 0.00% |
| HARBOUR INVESTMENTS, INC. | $5082.0 | 0.00% |
| MORGAN STANLEY | $33.0 | 0.00% |