Ampco-PittsburghAP
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 38 institutions reported holding Ampco-Pittsburgh Corp. (AP) in their 13F filings, up 1 from Q4 2024. 5 opened new positions and 4 sold out. The largest holders were GAMCO Investors ($5.3M), Gabelli Funds LLC ($3.1M) and Ameriprise Financial Inc. ($2.4M). 3 famous investors held it, including Mario Gabelli (0.1% 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 Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $61K |
| Exits | 4 | $92K |
All 13F filers, Q4 2024 → Q1 2025: 128,110 shares bought and 100,081 shares sold, net +28,029 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 38 holders
| GAMCO Investors | 0.06% | Reduce -1.2% | 2,427,615 | $5.3M |
| Gabelli Funds LLC | 0.02% | No change | 1,407,800 | $3.1M |
| Ameriprise Financial Inc. | 0.00% | Add +3.8% | 1,125,731 | $2.4M |
| Ancora Advisors LLC | 0.05% | No change | 1,068,531 | $2.3M |
| Vanguard Group Inc. | 0.00% | No change | 624,432 | $1.4M |
| Renaissance Technologies | 0.00% | Reduce -0.9% | 432,719 | $939K |
| Dimensional Fund Advisors LP | 0.00% | Add +6.2% | 310,537 | $674K |
| BlackRock, Inc. | 0.00% | Add +0.6% | 165,097 | $358K |
| Geode Capital Management, LLC | 0.00% | Add +3.7% | 157,727 | $342K |
| Bridgeway Capital Management, LLC | 0.01% | Add +24.4% | 127,535 | $277K |
| Teton Advisors, Inc. | 0.16% | No change | 112,000 | $243K |
| RBF Capital, LLC | 0.01% | No change | 90,950 | $197K |
| State Street Corp. | 0.00% | No change | 74,216 | $161K |
| Acadian Asset Management LLC | 0.00% | No change | 56,991 | $122K |
| Hunter Associates Investment Management LLC | 0.01% | No change | 25,000 | $54K |
| UBS Group AG | 0.00% | Add +52.1% | 24,334 | $53K |
| Central Pacific Bank - Trust Division | 0.01% | No change | 22,401 | $49K |
| Northern Trust Corp. | 0.00% | No change | 21,690 | $47K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 21,600 | $47K |
| Gsa Capital Partners LLP | 0.00% | New | 14,171 | $31K |
| Bailard, Inc. | 0.00% | New | 12,500 | $27K |
| Susquehanna International Group, LLP | 0.00% | Reduce -33.6% | 11,466 | $25K |
| Two Sigma Advisers, LP | 0.00% | Reduce -2.7% | 10,800 | $23K |
| Morgan Stanley | 0.00% | No change | 5,351 | $12K |
| Citadel Advisors | 0.00% | Reduce -65.3% | 3,879 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +31.1% | 2,929 | $6K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 2,500 | $5K |
| Citigroup Inc. | 0.00% | No change | 1,514 | $3K |
| FMR LLC | 0.00% | New | 1,220 | $3K |
| Bank of America Corp. | 0.00% | Add +0.4% | 1,132 | $2K |
| Simplex Trading, LLC | 0.00% | Reduce -88.0% | 1,306 | $2K |
| Osaic Holdings, Inc. | 0.00% | Reduce -64.9% | 100 | $217 |
| JPMorgan Chase & Co. | 0.00% | New | 27 | $59 |
| Salem Investment Counselors Inc. | 0.00% | No change | 25 | $55 |
| Quadrant Capital Group LLC | 0.00% | No change | 18 | $40 |
| Archer Investment Corp | 0.00% | No change | 10 | $22 |
| SBI Securities Co., Ltd. | 0.00% | New | 3 | $7 |
| Wells Fargo & Company | 0.00% | No change | 1 | $1 |
"% of holder's portfolio" is AP's weight in each manager's 13F, not the share of Ampco-Pittsburgh Corp. the manager owns.