PIONEER POWER SOLUTIONS, INC. - PPSI
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | History | No change | 231,849 | 1,096 | 0.0% | 0.0% | 1 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 196,137 | 637 | 0.0% | — | 2 | +196,137 | New | Q1 2026 | May 15, 2026 |
| Spectrum Investment Advisors, Inc. | History | No change | 137,500 | 446 | 0.22% | 0.33% | 3 | 0 | 0.0% | Q1 2026 | Apr 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 115,381 | 375 | 0.0% | 0.0% | 4 | +3,155 | 2.81% | Q1 2026 | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 77,223 | 250 | 0.0% | 0.0% | 5 | +5,530 | 7.71% | Q1 2026 | May 07, 2026 |
| Squarepoint Ops LLC | History | New | 67,558 | 219 | 0.0% | — | 6 | +67,558 | New | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 64,200 | 208 | 0.0% | 0.0% | 7 | +29,500 | 85.01% | Q1 2026 | May 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 55,591 | 180 | 0.0% | 0.0% | 8 | +3,658 | 7.04% | Q1 2026 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 35,592 | 115 | 0.0% | — | 9 | +35,592 | New | Q1 2026 | May 08, 2026 |
| STATE STREET CORP | History | No change | 34,028 | 110 | 0.0% | 0.0% | 10 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | No change | 28,674 | 93 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| XTX Topco Ltd | History | Added to | 21,734 | 70 | 0.0% | 0.0% | 13 | +8,081 | 59.19% | Q1 2026 | May 15, 2026 |
| JAMES INVESTMENT RESEARCH, INC. | History | No change | 21,786 | 70 | 0.01% | 0.01% | 12 | 0 | 0.0% | Q1 2026 | Apr 24, 2026 |
| Sage Capital Management, LLC | History | No change | 21,000 | 68 | 0.03% | 0.05% | 14 | 0 | 0.0% | Q1 2026 | Apr 15, 2026 |
| Stratos Wealth Advisors, LLC | History | No change | 17,300 | 56 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 16,400 | 53 | 0.0% | 0.0% | 16 | -19,381 | -54.17% | Q1 2026 | May 15, 2026 |
| Legacy Advisors, LLC | History | No change | 16,025 | 52 | 0.01% | 0.01% | 17 | 0 | 0.0% | Q1 2026 | May 05, 2026 |
| MARSHALL WACE, LLP | History | New | 15,454 | 50 | 0.0% | — | 18 | +15,454 | New | Q1 2026 | May 14, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 14,469 | 47 | 0.0% | 0.0% | 19 | -8,299 | -36.45% | Q1 2026 | May 14, 2026 |
| GSA CAPITAL PARTNERS LLP | History | New | 13,388 | 44 | 0.0% | — | 20 | +13,388 | New | Q1 2026 | May 08, 2026 |
| SMITH, MOORE & CO. | History | No change | 13,000 | 42 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q1 2026 | May 05, 2026 |
| Rockefeller Capital Management L.P. | History | New | 10,000 | 32 | 0.0% | — | 22 | +10,000 | New | Q1 2026 | May 14, 2026 |
| GROUP ONE TRADING LLC | History | Added to | 8,928 | 29 | 0.0% | 0.0% | 23 | +7,611 | 577.9% | Q1 2026 | May 13, 2026 |
| MORGAN STANLEY | History | Reduced | 7,740 | 25 | 0.0% | 0.0% | 24 | -609 | -7.29% | Q1 2026 | May 15, 2026 |
| NewEdge Advisors, LLC | History | No change | 21,786 | 21 | 0.0% | 0.0% | 25 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 1,883 | 6 | 0.0% | 0.0% | 26 | +1,503 | 395.53% | Q1 2026 | May 15, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | Added to | 1,000 | 3 | 0.0% | — | 27 | +900 | 900.0% | Q1 2026 | May 15, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 1,081 | 3 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 350 | 1 | 0.0% | 0.0% | 29 | -808 | -69.78% | Q1 2026 | May 14, 2026 |
| SageView Advisory Group, LLC | History | No change | 253 | 1 | 0.0% | 0.0% | 30 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| ARMSTRONG ADVISORY GROUP, INC | History | No change | 400 | 1 | 0.0% | 0.0% | 31 | 0 | 0.0% | Q1 2026 | Apr 10, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -18,296 | -100.0% | Q1 2026 | May 12, 2026 |
| UBS Group AG | History | Closed out | 0 | 0 | — | 0.0% | — | -412 | -100.0% | Q1 2026 | May 05, 2026 |
| Clarity Asset Management, Inc. | History | New | 250 | 0 | — | — | — | +250 | New | Q1 2026 | May 04, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | — | — | -81 | -100.0% | Q1 2026 | May 15, 2026 |
| Farther Finance Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -13 | -100.0% | Q1 2026 | Apr 07, 2026 |
| Strive Financial Group ,LLC | History | Closed out | 0 | 0 | — | — | — | -3 | -100.0% | Q1 2026 | May 15, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 161 | 0 | — | — | — | +2 | 1.26% | Q1 2026 | Apr 27, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 2 | 0 | — | — | — | +1 | 100.0% | Q1 2026 | May 15, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 48 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | No change | 300 | 0 | — | 0.0% | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |