AMPCO-PITTSBURGH CORP AP
$7.35
-11.1% 52w: $1.85 – $12.20
Latest 13F among current holders filed 19 days ago (Jun 16, 2026)
Price — last 12 months
research preview data1.857.0312.20
Jun 20, 2025 Jul 2, 2026
Institutional holders
63
+20 QoQ
13F value
$69.0M
+54.4% QoQ
Smart-money holders
3
signal tier ≥ 2
New smart buyers
3
Q1 2026
Options barometer
3.4×
$544K calls / $161K puts
Institutional value by quarter
Number of holders
Who owns AP?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL | Other | 2.5M | $16.7M | 0.2% | +0.9% |
| GABELLI FUNDS LLC | Diversified mechanical | 1.4M | $9.4M | 0.1% | -0.3% |
| AMERIPRISE FINANCIAL INC | Bank broker | 1.2M | $7.9M | 0.0% | +0.9% |
| WELLS FARGO & COMPANY/MN | Bank broker | 656.0K | $4.4M | 0.0% | +65600000.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 600.1K | $4.0M | 0.0% | — |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 423.2K | $2.8M | 0.0% | -8.3% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 355.4K | $2.4M | 0.0% | +6.1% |
| Huntleigh Advisors, Inc. | Other | 230.5K | $1.5M | 0.3% | New |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 218.9K | $1.5M | 0.0% | New |
| Meros Investment Management, LP ★2 | Fundamental diversified | 214.8K | $1.4M | 0.6% | New |
| BlackRock, Inc. | Index provider | 203.1K | $1.4M | 0.0% | +21.3% |
| SEI INVESTMENTS CO | Diversified mechanical | 184.3K | $1.2M | 0.0% | +104.1% |
| JANE STREET GROUP, LLC | Market maker | 168.3K | $1.1M | 0.0% | +563.4% |
| MARSHALL WACE, LLP | Quant stat arb | 161.3K | $1.1M | 0.0% | -22.6% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 160.4K | $1.1M | 0.0% | New |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Diversified mechanical | 154.4K | $1.0M | 0.0% | +43.6% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 135.1K | $909K | 0.0% | -5.0% |
| Teton Advisors, LLC | Other | 130.0K | $874K | 0.6% | Held |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | Diversified mechanical | 122.4K | $823K | 0.0% | New |
| RITHOLTZ WEALTH MANAGEMENT | Wealth advisor | 118.8K | $798K | 0.0% | New |
| Informed Momentum Co LLC | Quant stat arb | 115.8K | $778K | 0.1% | -22.0% |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 83.6K | $559K | 0.0% | +27.6% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 72.8K | $489K | 0.0% | — |
| RBF Capital, LLC | Other | 60.0K | $403K | 0.0% | -50.0% |
| STATE STREET CORP | Index provider | 59.4K | $399K | 0.0% | -25.8% |
| XTX Topco Ltd | Market maker | 48.6K | $326K | 0.0% | New |
| Empowered Funds, LLC | Diversified mechanical | 46.9K | $315K | 0.0% | New |
| UBS Group AG | Bank broker | 43.7K | $294K | 0.0% | +172.9% |
| GOLDMAN SACHS GROUP INC | Bank broker | 40.7K | $274K | 0.0% | +44.2% |
| ALGERT GLOBAL LLC | Diversified mechanical | 28.9K | $194K | 0.0% | +130.2% |
| NORTHERN TRUST CORP | Index provider | 28.4K | $191K | 0.0% | Held |
| Hudson Bay Capital Management LP | Multistrat pod | 27.1K | $182K | 0.0% | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Market maker | 26.6K | $179K | 0.0% | -36.0% |
| Central Pacific Bank - Trust Division | Other | 22.4K | $151K | 0.0% | Held |
| BANK OF AMERICA CORP /DE/ | Bank broker | 20.3K | $136K | 0.0% | +815.6% |
| SIMPLEX TRADING, LLC | Market maker | 20.2K | $135K | 0.0% | +166.2% |
| OMERS ADMINISTRATION Corp | Other | 19.3K | $130K | 0.0% | New |
| Brevan Howard Capital Management LP | Diversified mechanical | 18.7K | $126K | 0.0% | New |
| GSA CAPITAL PARTNERS LLP | Diversified mechanical | 18.7K | $125K | 0.0% | +1.0% |
| HRT FINANCIAL LP | Diversified mechanical | 18.6K | $125K | 0.0% | +27.7% |
| Janney Montgomery Scott LLC | Diversified mechanical | 17.5K | $118K | 0.0% | New |
| Palumbo Wealth Management LLC | Other | 15.2K | $102K | 0.0% | New |
| RAFFLES ASSOCIATES LP ★3 | Fundamental concentrated | 15.0K | $101K | 0.1% | New |
| CITADEL ADVISORS LLC | Multistrat pod | 14.4K | $97K | 0.0% | +4.1% |
| D'Orazio & Associates, Inc. | Wealth advisor | 11.1K | $75K | 0.0% | New |
| DUDLEY CAPITAL MANAGEMENT, LLC ★2 | Fundamental diversified | 11.0K | $74K | 0.0% | New |
| Hodges Capital Management Inc. | Other | 10.9K | $73K | 0.0% | New |
| Schonfeld Strategic Advisors LLC | Multistrat pod | 10.3K | $69K | 0.0% | New |
| MORGAN STANLEY | Bank broker | 9.6K | $64K | 0.0% | +39.4% |
| Vanguard Global Advisers, LLC | Diversified mechanical | 7.4K | $50K | 0.0% | — |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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