Ampco-PittsburghAP
13F holders, Q2 2026 (June 30)85holders +22
30new positions
9sold out
4famous investors
$8.65avg. 13F price*
At the end of Q2 2026, 85 institutions reported holding Ampco-Pittsburgh Corp. (AP) in their 13F filings, up 22 from Q1 2026. 30 opened new positions and 9 sold out. The largest holders were GAMCO Investors ($21.3M), Gabelli Funds LLC ($12.0M) and BlackRock, Inc. ($8.5M). 4 famous investors held it, including Mario Gabelli (0.2% of GAMCO Investors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Ampco-Pittsburgh Corp.
- CUSIP
- 032037103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 30 | $4.2M |
| Exits | 9 | $1.2M |
All 13F filers, Q1 2026 → Q2 2026: 2,356,265 shares bought and 1,121,955 shares sold, net +1,234,310 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 85 holders
| GAMCO Investors | 0.19% | Reduce -1.3% | 2,459,829 | $21.3M |
| Gabelli Funds LLC | 0.08% | Reduce -0.6% | 1,391,800 | $12.0M |
| BlackRock, Inc. | 0.00% | Add +383.7% | 982,611 | $8.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -22.8% | 905,679 | $7.8M |
| Wells Fargo & Company | 0.00% | Add +0.8% | 660,945 | $5.7M |
| Vanguard Capital Management LLC | 0.00% | Add +0.7% | 604,091 | $5.2M |
| Renaissance Technologies | 0.00% | Reduce -2.1% | 414,419 | $3.6M |
| Geode Capital Management, LLC | 0.00% | Add +153.8% | 342,836 | $3.0M |
| American Century Companies Inc. | 0.00% | Add +50.3% | 328,848 | $2.8M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -16.9% | 295,444 | $2.6M |
| Meros Investment Management, LP | 0.66% | Add +11.7% | 239,910 | $2.1M |
| Susquehanna International Group, LLP | 0.00% | Add +634.3% | 195,321 | $1.7M |
| Acadian Asset Management LLC | 0.00% | Add +128.5% | 191,015 | $1.6M |
| O'shaughnessy Asset Management, LLC | 0.01% | Add +42.4% | 174,312 | $1.5M |
| State Street Corp. | 0.00% | Add +168.1% | 159,316 | $1.4M |
| Jane Street Group, LLC | 0.00% | Reduce -10.7% | 150,371 | $1.3M |
| Huntleigh Advisors, Inc. | 0.17% | Reduce -38.8% | 141,172 | $1.2M |
| Ritholtz Wealth Management | 0.02% | Add +11.9% | 132,943 | $1.1M |
| Teton Advisors, LLC | 0.65% | No change | 130,000 | $1.1M |
| Bridgeway Capital Management, LLC | 0.02% | Reduce -18.8% | 125,386 | $1.1M |
| Northern Trust Corp. | 0.00% | Add +327.4% | 121,477 | $1.1M |
| Vanguard Portfolio Management LLC | 0.00% | New | 112,721 | $975K |
| Goldman Sachs Group Inc. | 0.00% | Add +147.3% | 100,724 | $871K |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +27.6% | 92,875 | $803K |
| Informed Momentum Co LLC | 0.07% | Reduce -22.2% | 90,053 | $779K |
| Marshall Wace, LLP | 0.00% | Reduce -50.2% | 80,361 | $695K |
| Palumbo Wealth Management LLC | 0.14% | Add +419.8% | 79,185 | $685K |
| Sei Investments Co. | 0.00% | Reduce -64.2% | 65,911 | $570K |
| Panagora Asset Management Inc. | 0.00% | New | 52,441 | $454K |
| Citadel Advisors | 0.00% | Add +256.0% | 51,409 | $445K |
| Empowered Funds, LLC | 0.00% | Add +7.3% | 50,286 | $435K |
| Charles Schwab Investment Management Inc. | 0.00% | New | 39,373 | $341K |
| Bank of New York Mellon Corp | 0.00% | New | 33,984 | $294K |
| Qube Research & Technologies Ltd | 0.00% | New | 32,230 | $279K |
| UBS Group AG | 0.00% | Reduce -26.5% | 32,154 | $278K |
| Dynamic Technology Lab Private Ltd | 0.06% | New | 30,373 | $263K |
| Occudo Quantitative Strategies LP | 0.01% | New | 24,936 | $216K |
| XTX Topco Ltd | 0.00% | Reduce -50.6% | 23,995 | $208K |
| Central Pacific Bank - Trust Division | 0.02% | No change | 22,401 | $194K |
| Gsa Capital Partners LLP | 0.01% | Add +16.0% | 21,641 | $187K |
| Nuveen, LLC | 0.00% | New | 21,419 | $185K |
| Millennium Management | 0.00% | Reduce -87.7% | 19,793 | $171K |
| Janney Montgomery Scott LLC | 0.00% | No change | 17,516 | $152K |
| Brevan Howard Capital Management LP | 0.00% | Reduce -12.5% | 16,388 | $142K |
| Deutsche Bank AG | 0.00% | New | 16,137 | $140K |
| Raffles Associates LP | 0.11% | No change | 15,000 | $130K |
| Graham Capital Management, L.P. | 0.01% | New | 14,835 | $128K |
| STRS Ohio | 0.00% | New | 14,000 | $121K |
| Bank of America Corp. | 0.00% | Reduce -31.2% | 13,954 | $121K |
| Rhumbline Advisers | 0.00% | New | 13,659 | $118K |
| Morgan Stanley | 0.00% | Add +41.5% | 13,560 | $117K |
| T. Rowe Price Associates Inc. | 0.00% | New | 13,488 | $117K |
| IMC-Chicago, LLC | 0.00% | New | 13,316 | $115K |
| Engineers Gate Manager LP | 0.00% | New | 12,307 | $106K |
| Algert Global LLC | 0.00% | Reduce -59.8% | 11,642 | $101K |
| Hodges Capital Management Inc. | 0.01% | Add +2.5% | 11,185 | $97K |
| MetLife Investment Management, LLC | 0.00% | New | 9,895 | $86K |
| Citigroup Inc. | 0.00% | Add +503.3% | 9,134 | $79K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 7,463 | $65K |
| JPMorgan Chase & Co. | 0.00% | New | 7,250 | $64K |
| Group One Trading LLC | 0.00% | Add +5.2% | 7,005 | $61K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 6,600 | $57K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 4,780 | $41K |
| Vanguard Global Advisers, LLC | 0.00% | Reduce -50.4% | 3,678 | $32K |
| Barclays PLC | 0.00% | Add +1185.0% | 3,341 | $29K |
| New York State Common Retirement Fund | 0.00% | New | 2,900 | $25K |
| BNP Paribas Financial Markets | 0.00% | New | 2,813 | $24K |
| Legal & General Group Plc | 0.00% | New | 1,581 | $14K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 1,471 | $13K |
| Russell Investments Group, Ltd. | 0.00% | New | 1,296 | $11K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +706.4% | 1,137 | $10K |
| Jones Financial Companies LLLP | 0.00% | Add +0.1% | 967 | $9K |
| FMR LLC | 0.00% | New | 700 | $6K |
| Royal Bank of Canada | 0.00% | Reduce -27.1% | 707 | $6K |
| Farther Finance Advisors, LLC | 0.00% | No change | 600 | $5K |
| Markowski Investments | 0.00% | — | 500 | $4K |
| Federated Hermes, Inc. | 0.00% | New | 367 | $3K |
| Osaic Holdings, Inc. | 0.00% | No change | 360 | $3K |
| California State Teachers Retirement System | 0.00% | New | 223 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +2400.0% | 125 | $1K |
| Rialto Wealth Management, LLC | 0.00% | New | 79 | $684 |
| Fortitude Family Office, LLC | 0.00% | No change | 61 | $528 |
| Sterling Capital Management LLC | 0.00% | New | 57 | $493 |
| Salem Investment Counselors Inc. | 0.00% | No change | 25 | $217 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 2 | $17 |
"% of holder's portfolio" is AP's weight in each manager's 13F, not the share of Ampco-Pittsburgh Corp. the manager owns.