Ampco Pittsburgh Corp
AP- Exchange
- NYSE
- Industry
- Pumps & Pumping Equipment
- SEC CIK
- 0000006176
No open-market purchases or sales by Ampco Pittsburgh Corp insiders were filed in the last 90 days; 85 institutions reported holding it in 13F filings for Q2 2026, worth $99.5M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Ampco Pittsburgh Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 63
- +21 vs. Q4 2025
- Shares held
- 10.3M
- +2.60M (+33.9%) vs. Q4 2025
- Total value
- $69.0M
- +$28.1M (+68.9%) vs. Q4 2025
- New holders
- 26
- 22 more added
- Sold out
- 5
- 9 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 85 | $99.5M |
| Q1 2026 | 63 | $69.0M |
| Q4 2025 | 43 | $44.3M |
| Q3 2025 | 36 | $19.0M |
| Q2 2025 | 39 | $25.3M |
| Q1 2025 | 38 | $18.2M |
| Q4 2024 | 37 | $17.4M |
| Q3 2024 | 32 | $16.7M |
| Q2 2024 | 42 | $6.76M |
| Q1 2024 | 34 | $19.3M |
| Q4 2023 | 35 | $23.9M |
| Q3 2023 | 37 | $23.6M |
| Q2 2023 | 35 | $28.6M |
| Q1 2023 | 38 | $22.2M |
| Q4 2022 | 36 | $22.8M |
| Q3 2022 | 35 | $33.2M |
| Q2 2022 | 34 | $34.4M |
| Q1 2022 | 32 | $56.5M |
| Q4 2021 | 34 | $41.8M |
| Q3 2021 | 37 | $36.8M |
| Q2 2021 | 37 | $49.0M |
| Q1 2021 | 39 | $55.6M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Ampco Pittsburgh Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gamco Investors, Inc. Et Al | 2,491,957 | $16.7M | 0.16% | +21,129+0.9% | Added |
| Gabelli Funds LLC | 1,399,800 | $9.41M | 0.06% | −4,500−0.3% | Reduced |
| Ameriprise Financial Inc | 1,173,024 | $7.88M | 0.00% | +10,579+0.9% | Added |
| Wells Fargo & Company | 656,001 | $4.41M | 0.00% | +656,000+65,600,000.0% | Added |
| Vanguard Capital Management LLC | 600,114 | $4.03M | 0.00% | +600,114 | New |
| Renaissance Technologies LLC | 423,219 | $2.84M | 0.00% | −38,083−8.3% | Reduced |
| Dimensional Fund Advisors LP | 355,427 | $2.39M | 0.00% | +20,454+6.1% | Added |
| Huntleigh Advisors, Inc. | 230,478 | $1.55M | 0.26% | +230,478 | New |
| American Century Companies Inc | 218,860 | $1.47M | 0.00% | +218,860 | New |
| Meros Investment Management, LP | 214,850 | $1.44M | 0.63% | +214,850 | New |
| BlackRock, Inc. | 203,133 | $1.37M | 0.00% | +35,624+21.3% | Added |
| SEI Investments Co | 184,336 | $1.24M | 0.00% | +94,002+104.1% | Added |
| Jane Street Group, LLC | 168,301 | $1.13M | 0.00% | +142,932+563.4% | Added |
| Marshall Wace, LLP | 161,291 | $1.08M | 0.00% | −47,051−22.6% | Reduced |
| Millennium Management LLC | 160,408 | $1.08M | 0.00% | +160,408 | New |
| Bridgeway Capital Management, LLC | 154,410 | $1.04M | 0.02% | +46,875+43.6% | Added |
| Geode Capital Management, LLC | 135,063 | $908.5K | 0.00% | −7,036−5.0% | Reduced |
| Teton Advisors, LLC | 130,000 | $873.6K | 0.61% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 122,418 | $822.6K | 0.00% | +122,418 | New |
| Ritholtz Wealth Management | 118,779 | $798.2K | 0.01% | +118,779 | New |
| EAM Investors, LLC | 115,793 | $778.1K | 0.09% | −32,602−22.0% | Reduced |
| Acadian Asset Management LLC | 83,592 | $559.0K | 0.00% | +18,077+27.6% | Added |
| Vanguard Fiduciary Trust Co | 72,813 | $489.3K | 0.00% | +72,813 | New |
| RBF Capital, LLC | 60,000 | $403.2K | 0.02% | 00.0% | Unchanged |
| State Street Corp | 59,416 | $399.3K | 0.00% | −20,700−25.8% | Reduced |
| XTX Topco Ltd | 48,582 | $326.5K | 0.01% | +48,582 | New |
| Empowered Funds, LLC | 46,875 | $315.0K | 0.00% | +46,875 | New |
| UBS Group AG | 43,721 | $293.8K | 0.00% | +27,701+172.9% | Added |
| Goldman Sachs Group Inc | 40,730 | $273.7K | 0.00% | +12,479+44.2% | Added |
| Algert Global LLC | 28,932 | $194.4K | 0.00% | +16,362+130.2% | Added |
| Northern Trust Corp | 28,419 | $191.0K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 27,112 | $182.2K | 0.00% | +27,112 | New |
| Susquehanna International Group, LLP | 26,599 | $178.7K | 0.00% | −14,965−36.0% | Reduced |
| Central Pacific Bank - Trust Division | 22,401 | $150.5K | 0.02% | 00.0% | Unchanged |
| Bank of America Corp | 20,280 | $136.3K | 0.00% | +18,065+815.6% | Added |
| Simplex Trading, LLC | 20,162 | $135.5K | 0.00% | +12,589+166.2% | Added |
| Omers Administration Corp | 19,300 | $129.7K | 0.00% | +19,300 | New |
| Brevan Howard Capital Management LP | 18,727 | $125.8K | 0.00% | +18,727 | New |
| Gsa Capital Partners LLP | 18,657 | $125.0K | 0.01% | +178+1.0% | Added |
| HRT Financial LP | 18,621 | $125.0K | 0.00% | +4,041+27.7% | Added |
| Janney Montgomery Scott LLC | 17,516 | $118.0K | 0.00% | +17,516 | New |
| Palumbo Wealth Management LLC | 15,233 | $102.4K | 0.02% | +15,233 | New |
| Raffles Associates LP | 15,000 | $100.8K | 0.09% | +15,000 | New |
| Citadel Advisors LLC | 14,439 | $97.0K | 0.00% | +565+4.1% | Added |
| D'Orazio & Associates, Inc. | 11,103 | $74.6K | 0.01% | +11,103 | New |
| Dudley Capital Management, LLC | 11,000 | $73.9K | 0.03% | +11,000 | New |
| Hodges Capital Management Inc. | 10,910 | $73.3K | 0.01% | +10,910 | New |
| Schonfeld Strategic Advisors LLC | 10,300 | $69.2K | 0.00% | +10,300 | New |
| Morgan Stanley | 9,581 | $64.4K | 0.00% | +2,710+39.4% | Added |
| Vanguard Global Advisers, LLC | 7,419 | $49.9K | 0.00% | +7,419 | New |
| Group One Trading, L.P. | 6,662 | $44.8K | 0.00% | −3,618−35.2% | Reduced |
| The PNC Financial Services Group, Inc. | 6,600 | $44.4K | 0.00% | +4,100+164.0% | Added |
| Citigroup Inc | 1,514 | $10.2K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 970 | $7.00K | 0.00% | +970 | New |
| Jones Financial Companies LLLP | 966 | $6.63K | 0.00% | +891+1,188.0% | Added |
| Farther Finance Advisors, LLC | 600 | $4.32K | 0.00% | +300+100.0% | Added |
| Advisor Group Holdings, Inc. | 360 | $2.42K | 0.00% | −25−6.5% | Reduced |
| Barclays PLC | 260 | $1.75K | 0.00% | +260 | New |
| Tower Research Capital LLC (TRC) | 141 | $948 | 0.00% | +141 | New |
| Fortitude Family Office, LLC | 61 | $410 | 0.00% | +61 | New |
| Salem Investment Counselors Inc | 25 | $168 | 0.00% | +25 | New |
| Quadrant Capital Group LLC | 18 | $121 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 5 | $34 | 0.00% | +1+25.0% | Added |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −354,100−100.0% | Sold out |
| TCG Advisory Services, LLC | 0 | $0 | 0.00% | −10,300−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −10,287−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −1,849−100.0% | Sold out |
| SHP Wealth Management | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |