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Ampco Pittsburgh Corp (AP) shareholders

APNYSEPumps & Pumping EquipmentFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 10, 2026Score 2/30
$7.35−0.32 (-4.17%)

Close on Nov 13, 2026Market cap $151.84MP/E –Yield –

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
55.7%
12M of 21M shares
Institutional holders
85
31 new, 9 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
7 buys · 2 sales
Net bought $418.04K

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
The Louis Berkman Investment Company3,127,79215.39%13D (active) amendmentNov 17, 2025
GAMCO Asset Management Inc.
Joint filing with Gabelli Funds LLC (6.80%)
2,409,13512.00%13D (active) amendmentAug 1, 2025
Galloway Capital Partners, LLC
Joint filing with Galloway Capital, LP (5.19%), Galloway Bruce (5.19%)
1,056,2005.19%13D (active)Dec 17, 2025

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of APValueChange% of portfolio
Gamco Investors, Inc. Et Al2,459,82911.91%$21.28M−32,1280.19%
Gabelli Funds LLC1,391,8006.74%$12.04M−8,0000.08%
BlackRock, Inc.982,6114.76%$8.50M+779,4780.00%
Ameriprise Financial Inc905,6794.38%$7.83M−267,3450.00%
Wells Fargo & Company/Mn660,9453.20%$5.72M+4,9440.00%
Vanguard Capital Management LLC604,0912.92%$5.23M+3,9770.00%
Renaissance Technologies LLC414,4192.01%$3.58M−8,8000.00%
Geode Capital Management, LLC342,8361.66%$2.97M+207,7730.00%
American Century Companies Inc328,8481.59%$2.84M+109,9880.00%
Dimensional Fund Advisors LP295,4441.43%$2.56M−59,9830.00%
Meros Investment Management, LP239,9101.16%$2.08M+25,0600.66%
Susquehanna International Group, Llp195,3210.95%$1.69M+168,7220.00%
Acadian Asset Management LLC191,0150.92%$1.65M+107,4230.00%
O'Shaughnessy Asset Management, LLC174,3120.84%$1.51M+51,8940.01%
State Street Corp159,3160.77%$1.38M+99,9000.00%
Jane Street Group, LLC150,3710.73%$1.30M−17,9300.00%
Huntleigh Advisors, Inc.141,1720.68%$1.22M−89,3060.17%
Ritholtz Wealth Management132,9430.64%$1.15M+14,1640.02%
Teton Advisors, LLC130,0000.63%$1.12M–0.65%
Bridgeway Capital Management, LLC125,3860.61%$1.08M−29,0240.02%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 20268512M55.7%31 / 2719 / 92M1M
Q1 20266310M49.7%26 / 2210 / 53M1M
Q4 2025438M40.6%12 / 1310 / 51M1M
Q3 2025368M40.1%5 / 812 / 70M0M
Q2 2025399M41.4%6 / 164 / 50M0M
Q1 2025388M40.5%5 / 87 / 40M0M
Q4 2024378M40.4%6 / 58 / 10M0M
Q3 2024328M40.4%3 / 511 / 120M1M
Q2 2024429M42.5%11 / 711 / 30M1M
Q1 2024349M43.9%1 / 911 / 20M0M
Q4 2023359M42.4%3 / 127 / 50M0M
Q3 2023379M43.5%5 / 106 / 30M0M

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.

FundShares% of APValue% of fundAs of
1290 VT GAMCO Small Company Value Portfolio995,0004.82%$8.61M0.19%Jun 30, 2026
Columbia Small Cap Value Discovery Fund633,4933.07%$5.09M0.20%Jul 31, 2026
Vanguard Total Stock Market Index Fund458,2402.22%$3.96M0.00%Jun 30, 2026
iShares Russell 2000 ETF354,6981.72%$3.07M0.00%Jun 30, 2026
Avantis U.S. Small Cap Value ETF266,9521.29%$3.02M0.01%May 31, 2026
The Gabelli ABC Fund200,0000.97%$1.73M0.41%Jun 30, 2026
The Gabelli Small Cap Growth Fund200,0000.97%$1.73M0.09%Jun 30, 2026
Fidelity Small Cap Index Fund176,3530.85%$1.42M0.00%Jul 31, 2026
iShares Russell 2000 Growth ETF152,2090.74%$1.32M0.01%Jun 30, 2026
Vanguard Extended Market Index Fund130,2530.63%$1.13M0.00%Jun 30, 2026
TETON Westwood Mighty Mites Fund130,0000.63%$1.12M0.52%Jun 30, 2026
Gabelli Global Mini Mites Fund128,5000.62%$1.11M4.12%Jun 30, 2026
1290 GAMCO Small/Mid Cap Value Fund120,0000.58%$964.80K0.40%Jul 31, 2026
Columbia Variable Portfolio - Small Cap Value Discovery Fund114,7580.56%$992.66K0.22%Jun 30, 2026
Fidelity Extended Market Index Fund60,6040.29%$686.04K0.00%May 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Brett McBrayerChief Executive Officer, Director557,6942.70%May 20, 2026
Samuel LyonPresident of Union Electric181,2330.88%Jun 26, 2026
David George AndersonVP, CFO & Treasurer, Pres. ALS82,9660.40%May 19, 2026
Michael G. McAuleySenior V.P., CFO & Treasurer175,7660.85%May 16, 2025
Darrell L. McNairDirector72,3260.35%Aug 28, 2026
Robert DeMichieiDirector85,5590.41%May 18, 2026
Elizabeth Anne FessendenDirector126,7040.61%May 18, 2026
Laurence E. PaulDirector91,7420.44%May 18, 2026
William K. LiebermanDirector58,2860.28%May 18, 2026
Michael I. GermanDirector229,0441.11%May 18, 2026
James J. AbelDirector150,5460.73%May 15, 2025
Frederick D. DiSanto–115,4070.56%Feb 13, 2026
Berkman Investment CO Louis10% owner3,127,79215.14%Nov 26, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Darrell L. McNair
Director
Aug 27, 2026Gift−5,600––65,686
Samuel Lyon
President of Union Electric
Jun 25, 2026Sale−9,500$9.82$93.29K181,233
Samuel Lyon
President of Union Electric
Jun 18, 2026Sale−547$11.30$6.18K190,733
Brett McBrayer
Chief Executive Officer, Director
May 19, 2026Buy+3,300$9.03$29.80K557,694
Samuel Lyon
President of Union Electric
May 15, 2026Tax withholding−3,166$10.85$34.35K197,956
Samuel Lyon
President of Union Electric
May 15, 2026Tax withholding−3,029$10.85$32.86K201,122
Samuel Lyon
President of Union Electric
May 15, 2026Tax withholding−18,185$10.85$197.31K176,224
Samuel Lyon
President of Union Electric
May 15, 2026Award+15,056––191,280
Samuel Lyon
President of Union Electric
May 15, 2026Tax withholding−3,547$10.85$38.48K194,409
David George Anderson
VP, CFO & Treasurer, Pres. ALS
May 15, 2026Award+11,117––82,966
David George Anderson
VP, CFO & Treasurer, Pres. ALS
May 15, 2026Tax withholding−8,216$10.85$89.14K71,849
David George Anderson
VP, CFO & Treasurer, Pres. ALS
May 15, 2026Tax withholding−2,179$10.85$23.64K82,554
David George Anderson
VP, CFO & Treasurer, Pres. ALS
May 15, 2026Tax withholding−1,370$10.85$14.86K84,733
David George Anderson
VP, CFO & Treasurer, Pres. ALS
May 15, 2026Tax withholding−2,489$10.85$27.01K80,065
Brett McBrayer
Chief Executive Officer, Director
May 15, 2026Tax withholding−9,396$10.85$101.95K576,335
Brett McBrayer
Chief Executive Officer, Director
May 15, 2026Tax withholding−8,568$10.85$92.96K567,767
Brett McBrayer
Chief Executive Officer, Director
May 15, 2026Tax withholding−7,777$10.85$84.38K559,990
Brett McBrayer
Chief Executive Officer, Director
May 15, 2026Tax withholding−46,656$10.85$506.22K513,334
Brett McBrayer
Chief Executive Officer, Director
May 15, 2026Award+41,060––554,394
Elizabeth Anne Fessenden
Director
May 15, 2026Award+7,374––126,704
Michael I. German
Director
May 15, 2026Award+7,374––229,044
Robert DeMichiei
Director
May 15, 2026Award+7,374––85,559
Laurence E. Paul
Director
May 15, 2026Award+7,374––91,742
William K. Lieberman
Director
May 15, 2026Award+7,374––58,286
Darrell L. McNair
Director
May 15, 2026Award+7,374––71,286
Brett McBrayer
Chief Executive Officer, Director
Mar 19, 2026Buy+7,500$6.67$50.03K585,731
Samuel Lyon
President of Union Electric
Mar 4, 2026Award+42,240––204,151
Brett McBrayer
Chief Executive Officer, Director
Mar 4, 2026Award+129,600––578,231
David George Anderson
VP, CFO & Treasurer, Pres. ALS
Mar 4, 2026Award+19,800––86,103
Brett McBrayer
Chief Executive Officer, Director
Dec 1, 2025Buy+19,000$2.58$49.02K448,631
Darrell L. McNair
Director
Nov 19, 2025Buy+3,000$2.52$7.56K63,912
Berkman Investment CO Louis
10% owner
Nov 17, 2025Buy+93,000$2.67$248.31K3,127,792
Michael I. German
Director
Nov 17, 2025Buy+40,000$2.65$106.00K221,670
Darrell L. McNair
Director
Nov 17, 2025Buy+10,000$2.68$26.80K60,912
Brett McBrayer
Chief Executive Officer, Director
May 15, 2025Award+78,300––429,631
Brett McBrayer
Chief Executive Officer, Director
May 15, 2025Tax withholding−11,542$2.26$26.08K351,331
Brett McBrayer
Chief Executive Officer, Director
May 15, 2025Tax withholding−10,474$2.26$23.67K362,873
David George Anderson
President, Air & Liquid Systms
May 15, 2025Tax withholding−1,496$2.26$3.38K48,303
David George Anderson
President, Air & Liquid Systms
May 15, 2025Tax withholding−942$2.26$2.13K49,799
David George Anderson
President, Air & Liquid Systms
May 15, 2025Award+18,000––66,303
Michael G. McAuley
Senior V.P., CFO & Treasurer
May 15, 2025Award+26,730––175,766
Michael G. McAuley
Senior V.P., CFO & Treasurer
May 15, 2025Tax withholding−2,278$2.26$5.15K149,036
Michael G. McAuley
Senior V.P., CFO & Treasurer
May 15, 2025Tax withholding−2,052$2.26$4.64K151,314
Samuel Lyon
President of Union Electric
May 15, 2025Tax withholding−3,375$2.26$7.63K137,176
Samuel Lyon
President of Union Electric
May 15, 2025Award+24,735––161,911
Michael I. German
Director
May 15, 2025Award+12,728––181,670
Robert DeMichiei
Director
May 15, 2025Award+12,728––78,185
Laurence E. Paul
Director
May 15, 2025Award+12,728––84,368
Elizabeth Anne Fessenden
Director
May 15, 2025Award+12,728––119,330
William K. Lieberman
Director
May 15, 2025Award+12,728––50,912
James J. Abel
Director
May 15, 2025Award+12,728––150,546
Darrell L. McNair
Director
May 15, 2025Award+12,728––50,912
Samuel Lyon
President of Union Electric
May 5, 2025Tax withholding−3,222$2.23$7.19K140,551
David George Anderson
President, Air & Liquid Systms
May 5, 2025Tax withholding−750$2.23$1.67K50,741
Brett McBrayer
Chief Executive Officer, Director
May 5, 2025Tax withholding−9,821$2.23$21.90K373,347
Michael G. McAuley
Senior V.P., CFO & Treasurer
May 5, 2025Tax withholding−2,022$2.23$4.51K153,366
Elizabeth Anne Fessenden
Director
Mar 25, 2025Buy+1,380$2.16$2.98K106,602
Elizabeth Anne Fessenden
Director
Mar 24, 2025Buy+300$2.27$681105,222
Elizabeth Anne Fessenden
Director
Mar 24, 2025Buy+720$2.26$1.63K104,922
Elizabeth Anne Fessenden
Director
Mar 24, 2025Buy+1,380$2.22$3.06K104,202

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)

Short % of float
6.06%
1M shares short
Days to cover
7.4
At 0M shares a day
Change since last report
-4.3%
From 1M shares
Short volume, 20 days
52.9%
Of volume reported to FINRA

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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