AMPCO PITTSBURGH CORP - AP
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL | History | Added to | 2,470,828 | 13,169 | 0.13% | 0.05% | 1 | +86,618 | 3.63% | Q4 2025 | Feb 05, 2026 |
| GABELLI FUNDS LLC | History | New | 1,404,300 | 7,484 | 0.05% | — | 2 | +1,404,300 | New | Q4 2025 | Feb 05, 2026 |
| AMERIPRISE FINANCIAL INC | History | Added to | 1,162,445 | 6,195 | 0.0% | 0.0% | 3 | +10,780 | 0.94% | Q4 2025 | Feb 17, 2026 |
| VANGUARD GROUP INC | History | Reduced | 654,635 | 3,489 | 0.0% | 0.0% | 4 | -13,069 | -1.96% | Q4 2025 | Jan 29, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 461,302 | 2,458 | 0.0% | 0.0% | 5 | -19,317 | -4.02% | Q4 2025 | Feb 12, 2026 |
| Ancora Advisors LLC | History | Reduced | 354,100 | 1,887 | 0.04% | 0.04% | 6 | -597,218 | -62.78% | Q4 2025 | Feb 17, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 334,973 | 1,785 | 0.0% | 0.0% | 7 | -1,147 | -0.34% | Q4 2025 | Feb 12, 2026 |
| MARSHALL WACE, LLP | History | New | 208,342 | 1,110 | 0.0% | — | 8 | +208,342 | New | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | Reduced | 167,509 | 892 | 0.0% | 0.0% | 9 | -1,729 | -1.02% | Q4 2025 | Feb 12, 2026 |
| Informed Momentum Co LLC | History | New | 148,395 | 790 | 0.09% | — | 10 | +148,395 | New | Q4 2025 | Feb 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 142,099 | 757 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| Teton Advisors, LLC | History | Added to | 130,000 | 692 | 0.48% | 0.15% | 12 | +21,500 | 19.82% | Q4 2025 | Feb 05, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Reduced | 107,535 | 573 | 0.01% | 0.01% | 13 | -20,000 | -15.68% | Q4 2025 | Feb 17, 2026 |
| SEI INVESTMENTS CO | History | New | 90,334 | 481 | 0.0% | — | 14 | +90,334 | New | Q4 2025 | Feb 13, 2026 |
| STATE STREET CORP | History | Added to | 80,116 | 427 | 0.0% | 0.0% | 15 | +5,900 | 7.95% | Q4 2025 | Feb 13, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 65,515 | 348 | 0.0% | 0.0% | 16 | +8,524 | 14.96% | Q4 2025 | Feb 10, 2026 |
| RBF Capital, LLC | History | Reduced | 60,000 | 319 | 0.01% | 0.01% | 17 | -30,950 | -34.03% | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 41,564 | 221 | 0.0% | — | 18 | +41,564 | New | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Added to | 28,419 | 151 | 0.0% | 0.0% | 19 | +7,421 | 35.34% | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 28,251 | 150 | 0.0% | 0.0% | 20 | -3,597 | -11.29% | Q4 2025 | Mar 25, 2026 |
| JANE STREET GROUP, LLC | History | New | 25,369 | 135 | 0.0% | — | 21 | +25,369 | New | Q4 2025 | Feb 12, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 24,874 | 132 | 0.0% | 0.0% | 22 | -6,522 | -20.77% | Q4 2025 | Feb 17, 2026 |
| Central Pacific Bank - Trust Division | History | No change | 22,401 | 119 | 0.01% | 0.01% | 23 | 0 | 0.0% | Q4 2025 | Jan 07, 2026 |
| GSA CAPITAL PARTNERS LLP | History | No change | 18,479 | 98 | 0.01% | 0.0% | 24 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| UBS Group AG | History | Reduced | 16,020 | 85 | 0.0% | 0.0% | 25 | -71 | -0.44% | Q4 2025 | Jan 29, 2026 |
| HRT FINANCIAL LP | History | New | 14,580 | 77 | 0.0% | — | 26 | +14,580 | New | Q4 2025 | Feb 12, 2026 |
| ALGERT GLOBAL LLC | History | New | 12,570 | 67 | 0.0% | — | 27 | +12,570 | New | Q4 2025 | Feb 17, 2026 |
| HUB Investment Partners, LLC | History | New | 10,300 | 54 | 0.0% | — | 30 | +10,300 | New | Q4 2025 | Feb 17, 2026 |
| Belvedere Trading LLC | History | New | 10,287 | 54 | 0.0% | — | 29 | +10,287 | New | Q4 2025 | Feb 10, 2026 |
| GROUP ONE TRADING LLC | History | Added to | 10,280 | 54 | 0.0% | — | 28 | +10,080 | 5040.0% | Q4 2025 | Feb 12, 2026 |
| SIMPLEX TRADING, LLC | History | Added to | 7,573 | 40 | 0.0% | 0.0% | 31 | +3,725 | 96.8% | Q4 2025 | Feb 11, 2026 |
| MORGAN STANLEY | History | Added to | 6,871 | 36 | 0.0% | 0.0% | 32 | +628 | 10.06% | Q4 2025 | Feb 13, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 2,500 | 13 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 2,215 | 11 | 0.0% | 0.0% | 34 | +3 | 0.14% | Q4 2025 | Feb 17, 2026 |
| NewEdge Advisors, LLC | History | Added to | 1,849 | 9 | 0.0% | 0.0% | 35 | +768 | 71.05% | Q4 2025 | Feb 18, 2026 |
| CITIGROUP INC | History | Reduced | 1,514 | 8 | 0.0% | 0.0% | 36 | -1 | -0.07% | Q4 2025 | Feb 13, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 385 | 2 | 0.0% | — | 37 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Farther Finance Advisors, LLC | History | New | 300 | 1 | 0.0% | — | 38 | +300 | New | Q4 2025 | Jan 23, 2026 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,573 | -100.0% | Q3 2025 | Oct 29, 2025 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -1,485 | -100.0% | Q3 2025 | Nov 14, 2025 |
| SHP Wealth Management | History | New | 100 | 0 | — | — | — | +100 | New | Q4 2025 | Mar 04, 2026 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | — | — | -99 | -100.0% | Q3 2025 | Mar 31, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | New | 75 | 0 | — | — | — | +75 | New | Q4 2025 | Feb 17, 2026 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | — | — | -28 | -100.0% | Q3 2025 | Nov 26, 2025 |
| SALEM INVESTMENT COUNSELORS INC | History | Closed out | 0 | 0 | — | — | — | -25 | -100.0% | Q3 2025 | Oct 07, 2025 |
| WELLS FARGO & COMPANY/MN | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| QUADRANT CAPITAL GROUP LLC | History | No change | 18 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| SBI Securities Co., Ltd. | History | No change | 4 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |