目前共有 20 家機構持有 PARK，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 |
|---|---|---|
| KENNEDY CAPITAL MANAGEMENT LLC | US$404.8萬 | 0.09% |
| HEARTLAND ADVISORS INC | US$318.0萬 | 0.16% |
| Pacific Ridge Capital Partners, LLC | US$227.4萬 | 0.49% |
| Russell Investments Group, Ltd. | US$163.6萬 | 0.00% |
| FMR LLC | US$81.7萬 | 0.00% |
| SEI INVESTMENTS CO | US$58.3萬 | 0.00% |
| CITADEL ADVISORS LLC | US$46.1萬 | 0.00% |
| Boston Partners | US$39.0萬 | 0.00% |
| VANGUARD CAPITAL MANAGEMENT LLC | US$32.4萬 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$30.0萬 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$15.5萬 | 0.00% |
| BlackRock, Inc. | US$6.0萬 | 0.00% |
| SUMMIT SECURITIES GROUP LLC | US$1.7萬 | 0.00% |
| UBS Group AG | US$9044.0 | 0.00% |
| MORGAN STANLEY | US$8390.0 | 0.00% |
| JPMORGAN CHASE & CO | US$7825.0 | 0.00% |
| Tower Research Capital LLC (TRC) | US$6662.0 | 0.00% |
| ROYAL BANK OF CANADA | US$4000.0 | 0.00% |
| OSAIC HOLDINGS, INC. | US$1678.0 | 0.00% |
| Smartleaf Asset Management LLC | US$908.0 | 0.00% |