目前共有 24 家機構持有 PHIO，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 |
|---|---|---|
| GEODE CAPITAL MANAGEMENT, LLC | US$18.0萬 | 0.00% |
| JANE STREET GROUP, LLC | US$14.5萬 | 0.00% |
| VANGUARD CAPITAL MANAGEMENT LLC | US$9.7萬 | 0.00% |
| Cetera Investment Advisers | US$5.5萬 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$4.7萬 | 0.00% |
| HRT FINANCIAL LP | US$4.2萬 | 0.00% |
| TWO SIGMA INVESTMENTS, LP | US$4.0萬 | 0.00% |
| Scientech Research LLC | US$3.7萬 | 0.03% |
| UBS Group AG | US$3.3萬 | 0.00% |
| XTX Topco Ltd | US$3.0萬 | 0.00% |
| NORTHERN TRUST CORP | US$2.9萬 | 0.00% |
| GSA CAPITAL PARTNERS LLP | US$2.4萬 | 0.00% |
| TWO SIGMA SECURITIES, LLC | US$1.9萬 | 0.00% |
| CAPTRUST FINANCIAL ADVISORS | US$1.2萬 | 0.00% |
| Tower Research Capital LLC (TRC) | US$9296.0 | 0.00% |
| MORGAN STANLEY | US$7320.0 | 0.00% |
| Spire Wealth Management | US$2440.0 | 0.00% |
| OSAIC HOLDINGS, INC. | US$2440.0 | 0.00% |
| SBI Securities Co., Ltd. | US$1493.0 | 0.00% |
| NBC SECURITIES, INC. | US$1310.0 | 0.00% |
| CITIGROUP INC | US$1251.0 | 0.00% |
| ASSETMARK, INC | US$134.0 | 0.00% |
| Activest Wealth Management | US$11.0 | 0.00% |
| Caitong International Asset Management Co., Ltd | US$4.0 | 0.00% |