Ampco Pittsburgh Corp (AP) shareholders
Close on Nov 13, 2026Market cap $151.84MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| The Louis Berkman Investment Company | 3,127,792 | 15.39% | 13D (active) amendment | Nov 17, 2025 |
| GAMCO Asset Management Inc. Joint filing with Gabelli Funds LLC (6.80%) | 2,409,135 | 12.00% | 13D (active) amendment | Aug 1, 2025 |
| Galloway Capital Partners, LLC Joint filing with Galloway Capital, LP (5.19%), Galloway Bruce (5.19%) | 1,056,200 | 5.19% | 13D (active) | Dec 17, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of AP | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Gamco Investors, Inc. Et Al | 2,459,829 | 11.91% | $21.28M | −32,128 | 0.19% |
| Gabelli Funds LLC | 1,391,800 | 6.74% | $12.04M | −8,000 | 0.08% |
| BlackRock, Inc. | 982,611 | 4.76% | $8.50M | +779,478 | 0.00% |
| Ameriprise Financial Inc | 905,679 | 4.38% | $7.83M | −267,345 | 0.00% |
| Wells Fargo & Company/Mn | 660,945 | 3.20% | $5.72M | +4,944 | 0.00% |
| Vanguard Capital Management LLC | 604,091 | 2.92% | $5.23M | +3,977 | 0.00% |
| Renaissance Technologies LLC | 414,419 | 2.01% | $3.58M | −8,800 | 0.00% |
| Geode Capital Management, LLC | 342,836 | 1.66% | $2.97M | +207,773 | 0.00% |
| American Century Companies Inc | 328,848 | 1.59% | $2.84M | +109,988 | 0.00% |
| Dimensional Fund Advisors LP | 295,444 | 1.43% | $2.56M | −59,983 | 0.00% |
| Meros Investment Management, LP | 239,910 | 1.16% | $2.08M | +25,060 | 0.66% |
| Susquehanna International Group, Llp | 195,321 | 0.95% | $1.69M | +168,722 | 0.00% |
| Acadian Asset Management LLC | 191,015 | 0.92% | $1.65M | +107,423 | 0.00% |
| O'Shaughnessy Asset Management, LLC | 174,312 | 0.84% | $1.51M | +51,894 | 0.01% |
| State Street Corp | 159,316 | 0.77% | $1.38M | +99,900 | 0.00% |
| Jane Street Group, LLC | 150,371 | 0.73% | $1.30M | −17,930 | 0.00% |
| Huntleigh Advisors, Inc. | 141,172 | 0.68% | $1.22M | −89,306 | 0.17% |
| Ritholtz Wealth Management | 132,943 | 0.64% | $1.15M | +14,164 | 0.02% |
| Teton Advisors, LLC | 130,000 | 0.63% | $1.12M | – | 0.65% |
| Bridgeway Capital Management, LLC | 125,386 | 0.61% | $1.08M | −29,024 | 0.02% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 85 | 12M | 55.7% | 31 / 27 | 19 / 9 | 2M | 1M |
| Q1 2026 | 63 | 10M | 49.7% | 26 / 22 | 10 / 5 | 3M | 1M |
| Q4 2025 | 43 | 8M | 40.6% | 12 / 13 | 10 / 5 | 1M | 1M |
| Q3 2025 | 36 | 8M | 40.1% | 5 / 8 | 12 / 7 | 0M | 0M |
| Q2 2025 | 39 | 9M | 41.4% | 6 / 16 | 4 / 5 | 0M | 0M |
| Q1 2025 | 38 | 8M | 40.5% | 5 / 8 | 7 / 4 | 0M | 0M |
| Q4 2024 | 37 | 8M | 40.4% | 6 / 5 | 8 / 1 | 0M | 0M |
| Q3 2024 | 32 | 8M | 40.4% | 3 / 5 | 11 / 12 | 0M | 1M |
| Q2 2024 | 42 | 9M | 42.5% | 11 / 7 | 11 / 3 | 0M | 1M |
| Q1 2024 | 34 | 9M | 43.9% | 1 / 9 | 11 / 2 | 0M | 0M |
| Q4 2023 | 35 | 9M | 42.4% | 3 / 12 | 7 / 5 | 0M | 0M |
| Q3 2023 | 37 | 9M | 43.5% | 5 / 10 | 6 / 3 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
85 funds held AP in Q2 2026, 27% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of AP | Value | % of fund | As of |
|---|---|---|---|---|---|
| 1290 VT GAMCO Small Company Value Portfolio | 995,000 | 4.82% | $8.61M | 0.19% | Jun 30, 2026 |
| Columbia Small Cap Value Discovery Fund | 633,493 | 3.07% | $5.09M | 0.20% | Jul 31, 2026 |
| Vanguard Total Stock Market Index Fund | 458,240 | 2.22% | $3.96M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 354,698 | 1.72% | $3.07M | 0.00% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF | 266,952 | 1.29% | $3.02M | 0.01% | May 31, 2026 |
| The Gabelli ABC Fund | 200,000 | 0.97% | $1.73M | 0.41% | Jun 30, 2026 |
| The Gabelli Small Cap Growth Fund | 200,000 | 0.97% | $1.73M | 0.09% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 176,353 | 0.85% | $1.42M | 0.00% | Jul 31, 2026 |
| iShares Russell 2000 Growth ETF | 152,209 | 0.74% | $1.32M | 0.01% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 130,253 | 0.63% | $1.13M | 0.00% | Jun 30, 2026 |
| TETON Westwood Mighty Mites Fund | 130,000 | 0.63% | $1.12M | 0.52% | Jun 30, 2026 |
| Gabelli Global Mini Mites Fund | 128,500 | 0.62% | $1.11M | 4.12% | Jun 30, 2026 |
| 1290 GAMCO Small/Mid Cap Value Fund | 120,000 | 0.58% | $964.80K | 0.40% | Jul 31, 2026 |
| Columbia Variable Portfolio - Small Cap Value Discovery Fund | 114,758 | 0.56% | $992.66K | 0.22% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 60,604 | 0.29% | $686.04K | 0.00% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Brett McBrayer | Chief Executive Officer, Director | 557,694 | 2.70% | May 20, 2026 |
| Samuel Lyon | President of Union Electric | 181,233 | 0.88% | Jun 26, 2026 |
| David George Anderson | VP, CFO & Treasurer, Pres. ALS | 82,966 | 0.40% | May 19, 2026 |
| Michael G. McAuley | Senior V.P., CFO & Treasurer | 175,766 | 0.85% | May 16, 2025 |
| Darrell L. McNair | Director | 72,326 | 0.35% | Aug 28, 2026 |
| Robert DeMichiei | Director | 85,559 | 0.41% | May 18, 2026 |
| Elizabeth Anne Fessenden | Director | 126,704 | 0.61% | May 18, 2026 |
| Laurence E. Paul | Director | 91,742 | 0.44% | May 18, 2026 |
| William K. Lieberman | Director | 58,286 | 0.28% | May 18, 2026 |
| Michael I. German | Director | 229,044 | 1.11% | May 18, 2026 |
| James J. Abel | Director | 150,546 | 0.73% | May 15, 2025 |
| Frederick D. DiSanto | – | 115,407 | 0.56% | Feb 13, 2026 |
| Berkman Investment CO Louis | 10% owner | 3,127,792 | 15.14% | Nov 26, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Darrell L. McNair Director | Aug 27, 2026 | Gift | −5,600 | – | – | 65,686 |
| Samuel Lyon President of Union Electric | Jun 25, 2026 | Sale | −9,500 | $9.82 | $93.29K | 181,233 |
| Samuel Lyon President of Union Electric | Jun 18, 2026 | Sale | −547 | $11.30 | $6.18K | 190,733 |
| Brett McBrayer Chief Executive Officer, Director | May 19, 2026 | Buy | +3,300 | $9.03 | $29.80K | 557,694 |
| Samuel Lyon President of Union Electric | May 15, 2026 | Tax withholding | −3,166 | $10.85 | $34.35K | 197,956 |
| Samuel Lyon President of Union Electric | May 15, 2026 | Tax withholding | −3,029 | $10.85 | $32.86K | 201,122 |
| Samuel Lyon President of Union Electric | May 15, 2026 | Tax withholding | −18,185 | $10.85 | $197.31K | 176,224 |
| Samuel Lyon President of Union Electric | May 15, 2026 | Award | +15,056 | – | – | 191,280 |
| Samuel Lyon President of Union Electric | May 15, 2026 | Tax withholding | −3,547 | $10.85 | $38.48K | 194,409 |
| David George Anderson VP, CFO & Treasurer, Pres. ALS | May 15, 2026 | Award | +11,117 | – | – | 82,966 |
| David George Anderson VP, CFO & Treasurer, Pres. ALS | May 15, 2026 | Tax withholding | −8,216 | $10.85 | $89.14K | 71,849 |
| David George Anderson VP, CFO & Treasurer, Pres. ALS | May 15, 2026 | Tax withholding | −2,179 | $10.85 | $23.64K | 82,554 |
| David George Anderson VP, CFO & Treasurer, Pres. ALS | May 15, 2026 | Tax withholding | −1,370 | $10.85 | $14.86K | 84,733 |
| David George Anderson VP, CFO & Treasurer, Pres. ALS | May 15, 2026 | Tax withholding | −2,489 | $10.85 | $27.01K | 80,065 |
| Brett McBrayer Chief Executive Officer, Director | May 15, 2026 | Tax withholding | −9,396 | $10.85 | $101.95K | 576,335 |
| Brett McBrayer Chief Executive Officer, Director | May 15, 2026 | Tax withholding | −8,568 | $10.85 | $92.96K | 567,767 |
| Brett McBrayer Chief Executive Officer, Director | May 15, 2026 | Tax withholding | −7,777 | $10.85 | $84.38K | 559,990 |
| Brett McBrayer Chief Executive Officer, Director | May 15, 2026 | Tax withholding | −46,656 | $10.85 | $506.22K | 513,334 |
| Brett McBrayer Chief Executive Officer, Director | May 15, 2026 | Award | +41,060 | – | – | 554,394 |
| Elizabeth Anne Fessenden Director | May 15, 2026 | Award | +7,374 | – | – | 126,704 |
| Michael I. German Director | May 15, 2026 | Award | +7,374 | – | – | 229,044 |
| Robert DeMichiei Director | May 15, 2026 | Award | +7,374 | – | – | 85,559 |
| Laurence E. Paul Director | May 15, 2026 | Award | +7,374 | – | – | 91,742 |
| William K. Lieberman Director | May 15, 2026 | Award | +7,374 | – | – | 58,286 |
| Darrell L. McNair Director | May 15, 2026 | Award | +7,374 | – | – | 71,286 |
| Brett McBrayer Chief Executive Officer, Director | Mar 19, 2026 | Buy | +7,500 | $6.67 | $50.03K | 585,731 |
| Samuel Lyon President of Union Electric | Mar 4, 2026 | Award | +42,240 | – | – | 204,151 |
| Brett McBrayer Chief Executive Officer, Director | Mar 4, 2026 | Award | +129,600 | – | – | 578,231 |
| David George Anderson VP, CFO & Treasurer, Pres. ALS | Mar 4, 2026 | Award | +19,800 | – | – | 86,103 |
| Brett McBrayer Chief Executive Officer, Director | Dec 1, 2025 | Buy | +19,000 | $2.58 | $49.02K | 448,631 |
| Darrell L. McNair Director | Nov 19, 2025 | Buy | +3,000 | $2.52 | $7.56K | 63,912 |
| Berkman Investment CO Louis 10% owner | Nov 17, 2025 | Buy | +93,000 | $2.67 | $248.31K | 3,127,792 |
| Michael I. German Director | Nov 17, 2025 | Buy | +40,000 | $2.65 | $106.00K | 221,670 |
| Darrell L. McNair Director | Nov 17, 2025 | Buy | +10,000 | $2.68 | $26.80K | 60,912 |
| Brett McBrayer Chief Executive Officer, Director | May 15, 2025 | Award | +78,300 | – | – | 429,631 |
| Brett McBrayer Chief Executive Officer, Director | May 15, 2025 | Tax withholding | −11,542 | $2.26 | $26.08K | 351,331 |
| Brett McBrayer Chief Executive Officer, Director | May 15, 2025 | Tax withholding | −10,474 | $2.26 | $23.67K | 362,873 |
| David George Anderson President, Air & Liquid Systms | May 15, 2025 | Tax withholding | −1,496 | $2.26 | $3.38K | 48,303 |
| David George Anderson President, Air & Liquid Systms | May 15, 2025 | Tax withholding | −942 | $2.26 | $2.13K | 49,799 |
| David George Anderson President, Air & Liquid Systms | May 15, 2025 | Award | +18,000 | – | – | 66,303 |
| Michael G. McAuley Senior V.P., CFO & Treasurer | May 15, 2025 | Award | +26,730 | – | – | 175,766 |
| Michael G. McAuley Senior V.P., CFO & Treasurer | May 15, 2025 | Tax withholding | −2,278 | $2.26 | $5.15K | 149,036 |
| Michael G. McAuley Senior V.P., CFO & Treasurer | May 15, 2025 | Tax withholding | −2,052 | $2.26 | $4.64K | 151,314 |
| Samuel Lyon President of Union Electric | May 15, 2025 | Tax withholding | −3,375 | $2.26 | $7.63K | 137,176 |
| Samuel Lyon President of Union Electric | May 15, 2025 | Award | +24,735 | – | – | 161,911 |
| Michael I. German Director | May 15, 2025 | Award | +12,728 | – | – | 181,670 |
| Robert DeMichiei Director | May 15, 2025 | Award | +12,728 | – | – | 78,185 |
| Laurence E. Paul Director | May 15, 2025 | Award | +12,728 | – | – | 84,368 |
| Elizabeth Anne Fessenden Director | May 15, 2025 | Award | +12,728 | – | – | 119,330 |
| William K. Lieberman Director | May 15, 2025 | Award | +12,728 | – | – | 50,912 |
| James J. Abel Director | May 15, 2025 | Award | +12,728 | – | – | 150,546 |
| Darrell L. McNair Director | May 15, 2025 | Award | +12,728 | – | – | 50,912 |
| Samuel Lyon President of Union Electric | May 5, 2025 | Tax withholding | −3,222 | $2.23 | $7.19K | 140,551 |
| David George Anderson President, Air & Liquid Systms | May 5, 2025 | Tax withholding | −750 | $2.23 | $1.67K | 50,741 |
| Brett McBrayer Chief Executive Officer, Director | May 5, 2025 | Tax withholding | −9,821 | $2.23 | $21.90K | 373,347 |
| Michael G. McAuley Senior V.P., CFO & Treasurer | May 5, 2025 | Tax withholding | −2,022 | $2.23 | $4.51K | 153,366 |
| Elizabeth Anne Fessenden Director | Mar 25, 2025 | Buy | +1,380 | $2.16 | $2.98K | 106,602 |
| Elizabeth Anne Fessenden Director | Mar 24, 2025 | Buy | +300 | $2.27 | $681 | 105,222 |
| Elizabeth Anne Fessenden Director | Mar 24, 2025 | Buy | +720 | $2.26 | $1.63K | 104,922 |
| Elizabeth Anne Fessenden Director | Mar 24, 2025 | Buy | +1,380 | $2.22 | $3.06K | 104,202 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Ampco Pittsburgh's stock actually held short. Settlement fails (shares not delivered on time) peaked at 2,635 shares on Aug 26, 2026 over the last 90 days.
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