目前共有 16 家机构持有 PIII，以下按持股市值由高至低排序。
| 主要持有机构 | 总市值 | 平均占比 |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | US$21.8万 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$8.0万 | 0.00% |
| Diversified Trust Co | US$6.3万 | 0.00% |
| Corient Private Wealth LLC | US$6.1万 | 0.00% |
| NINE MASTS CAPITAL Ltd | US$5.5万 | 0.01% |
| HRT FINANCIAL LP | US$4.6万 | 0.00% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | US$4.1万 | 0.00% |
| BlackRock, Inc. | US$3.4万 | 0.00% |
| Lido Advisors, LLC | US$3.3万 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$2.0万 | 0.00% |
| BLAIR WILLIAM & CO/IL | US$9523.0 | 0.00% |
| UBS Group AG | US$5667.0 | 0.00% |
| Vanguard Global Advisers, LLC | US$949.0 | 0.00% |
| JPMORGAN CHASE & CO | US$56.0 | 0.00% |
| BNP PARIBAS FINANCIAL MARKETS | US$1.1 | 0.00% |
| ROYAL BANK OF CANADA | US$0.0 | 0.00% |