目前共有 24 家機構持有 SER，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 |
|---|---|---|
| Sio Capital Management, LLC | US$194.0萬 | 0.28% |
| VANGUARD CAPITAL MANAGEMENT LLC | US$30.9萬 | 0.00% |
| Waverly Advisors, LLC | US$13.1萬 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$12.6萬 | 0.00% |
| BlackRock, Inc. | US$11.3萬 | 0.00% |
| JANE STREET GROUP, LLC | US$7.7萬 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$3.9萬 | 0.00% |
| Avidian Wealth Enterprises, LLC | US$3.6萬 | 0.00% |
| STATE STREET CORP | US$2.5萬 | 0.00% |
| Caitong International Asset Management Co., Ltd | US$7725.0 | 0.00% |
| WELLS FARGO & COMPANY/MN | US$6996.0 | 0.00% |
| OSAIC HOLDINGS, INC. | US$1941.0 | 0.00% |
| Tower Research Capital LLC (TRC) | US$1635.0 | 0.00% |
| Vanguard Global Advisers, LLC | US$714.0 | 0.00% |
| Piscataqua Savings Bank | US$54.0 | 0.00% |
| Advisory Services Network, LLC | US$27.0 | 0.00% |
| MORGAN STANLEY | US$16.0 | 0.00% |
| ALBION FINANCIAL GROUP /UT | US$16.0 | 0.00% |
| Pacifica Partners Inc. | US$16.0 | 0.00% |
| UBS Group AG | US$10.0 | 0.00% |
| Rockefeller Capital Management L.P. | US$4.0 | 0.00% |
| Federation des caisses Desjardins du Quebec | US$2.0 | 0.00% |
| Farther Finance Advisors, LLC | US$2.0 | 0.00% |
| BNP PARIBAS FINANCIAL MARKETS | US$0.0 | 0.00% |