Ampco Pittsburgh Corp (NYSE:AP) has 43 institutional investors with active 13F positions as of December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL | 31 Mar, 2026 | 2,491,957 | 21,129 | 0.86% | $16,745,951.00 |
| GAMCO INVESTORS, INC. ET AL | 31 Mar, 2026 | 2,470,828 | 86,618 | 3.63% | $13,169,513.00 |
| GABELLI FUNDS LLC | 31 Mar, 2026 | 1,404,300 | 23,500 | 1.70% | $7,484,919.00 |
| GABELLI FUNDS LLC | 31 Mar, 2026 | 1,399,800 | -4,500 | -0.32% | $9,406,656.00 |
| Ameriprise Financial Inc | 31 Mar, 2026 | 1,173,024 | 10,579 | 0.91% | $7,882,720.00 |
| Ameriprise Financial Inc | 31 Mar, 2026 | 1,162,445 | 10,780 | 0.94% | $6,195,831.00 |
| Wells Fargo & Company/Mn | 31 Mar, 2026 | 656,001 | 656,000 | 65,600,000.00% | $4,408,324.00 |
| VANGUARD GROUP INC | 31 Mar, 2026 | 654,635 | -13,069 | -1.96% | $3,489,204.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 600,114 | 600,114 | 0.00% | $4,032,766.00 |
| RENAISSANCE TECHNOLOGIES LLC | 31 Mar, 2026 | 461,302 | -19,317 | -4.02% | $2,458,740.00 |
| RENAISSANCE TECHNOLOGIES LLC | 31 Mar, 2026 | 423,219 | -38,083 | -8.26% | $2,844,032.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 355,427 | 20,454 | 6.11% | $2,388,326.00 |
| Ancora Advisors LLC | 31 Mar, 2026 | 354,100 | -597,218 | -62.78% | $1,887,353.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 334,973 | -1,147 | -0.34% | $1,785,546.00 |
| AMERICAN CENTURY COMPANIES INC | 31 Mar, 2026 | 218,860 | 218,860 | 0.00% | $1,470,739.00 |
| Meros Investment Management, LP | 31 Mar, 2026 | 214,850 | 214,850 | 0.00% | $1,443,792.00 |
| MARSHALL WACE, LLP | 31 Mar, 2026 | 208,342 | 208,342 | 0.00% | $1,110,462.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 203,133 | 35,624 | 21.27% | $1,365,054.00 |
| Sei Investments Co | 31 Mar, 2026 | 184,336 | 94,002 | 104.06% | $1,238,738.00 |
| JANE STREET GROUP, LLC | 31 Mar, 2026 | 168,301 | 142,932 | 563.41% | $1,130,983.00 |