目前共有 23 家機構持有 PTIR，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 |
|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | US$2067.1萬 | 0.00% |
| JANE STREET GROUP, LLC | US$1462.5萬 | 0.00% |
| CITADEL ADVISORS LLC | US$996.0萬 | 0.00% |
| BANK OF MONTREAL /CAN/ | US$327.4萬 | 0.00% |
| SBI Securities Co., Ltd. | US$193.1萬 | 0.05% |
| Optiver Holding B.V. | US$70.3萬 | 0.00% |
| GROUP ONE TRADING LLC | US$67.5萬 | 0.00% |
| HRT FINANCIAL LP | US$60.8萬 | 0.00% |
| RENAISSANCE TECHNOLOGIES LLC | US$57.0萬 | 0.00% |
| Mariner, LLC | US$49.9萬 | 0.00% |
| VESTOR CAPITAL, LLC | US$40.5萬 | 0.03% |
| StoneX Group Inc. | US$34.5萬 | 0.02% |
| AlphaStar Capital Management, LLC | US$28.6萬 | 0.02% |
| XTX Topco Ltd | US$24.4萬 | 0.00% |
| Belvedere Trading LLC | US$22.9萬 | 0.00% |
| TRUE Private Wealth Advisors | US$18.5萬 | 0.02% |
| CITIGROUP INC | US$9.0萬 | 0.00% |
| UBS Group AG | US$7.9萬 | 0.00% |
| Financial Life Planners | US$5.0萬 | 0.04% |
| Parallel Advisors, LLC | US$2.5萬 | 0.00% |
| MJT & Associates Financial Advisory Group, Inc. | US$6712.0 | 0.00% |
| Financial Network Wealth Advisors LLC | US$5190.0 | 0.01% |
| HOLLENCREST CAPITAL MANAGEMENT | US$491.0 | 0.00% |