AMPCO PITTSBURGH CORP - Common Stock, $1.00 par value per share (AP) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock, $1.00 par value per share
Symbol
AP on NYSE
Shares outstanding
20,350,674
Price per share
$5.33
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
8,293,394
Total reported value
$18,989,068
% of total 13F portfolios
0%
Share change
-260,765
Value change
-$678,475
Number of holders
35
Price from insider filings
$5.33
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of AMPCO PITTSBURGH CORP - Common Stock, $1.00 par value per share (AP) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Louis Berkman Investment CO 15% $7,068,810 3,127,792 The Louis Berkman Investment Company 17 Nov 2025
RUTABAGA CAPITAL MANAGEMENT LLC/MA 5.7% $2,263,845 1,143,356 RUTABAGA CAPITAL MANAGEMENT LLC/MA 30 Sep 2024
Galloway Capital Partners, LLC 5.2% $2,830,616 1,056,200 Galloway Capital Partners, LLC 17 Dec 2025
Ancora Alternatives LLC 4.2% $1,962,507 857,065 DiSanto Fredrick D. 13 Nov 2025

As of 30 Sep 2025, 35 institutional investors reported holding 8,293,394 shares of AMPCO PITTSBURGH CORP - Common Stock, $1.00 par value per share (AP). This represents 41% of the company’s total 20,350,674 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of AMPCO PITTSBURGH CORP - Common Stock, $1.00 par value per share (AP) together control 41% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
GAMCO INVESTORS, INC. ET AL 12% 2,384,210 -2.6% 0.05% $5,459,841
GABELLI FUNDS LLC 6.8% 1,380,800 +0.95% 0.02% $3,162,032
AMERIPRISE FINANCIAL INC 5.7% 1,151,665 -0.69% 0% $2,637,312
Ancora Advisors LLC 4.7% 951,318 -11% 0.04% $2,178,518
VANGUARD GROUP INC 3.3% 667,704 +6% 0% $1,529,043
RENAISSANCE TECHNOLOGIES LLC 2.4% 480,619 +7.1% 0% $1,100,618
DIMENSIONAL FUND ADVISORS LP 1.7% 336,120 -0.51% 0% $769,767
BlackRock, Inc. 0.83% 169,238 +2.4% 0% $387,555
GEODE CAPITAL MANAGEMENT, LLC 0.7% 142,099 -12% 0% $325,503
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.63% 127,535 0% 0.01% $292,055
Teton Advisors, LLC 0.53% 108,500 0% 0.15% $248,465
RBF Capital, LLC 0.45% 90,950 0% 0.01% $208,276
STATE STREET CORP 0.36% 74,216 0% 0% $169,955
ACADIAN ASSET MANAGEMENT LLC 0.28% 56,991 0% 0% $129,000
GOLDMAN SACHS GROUP INC 0.16% 31,848 +17% 0% $72,932
CITADEL ADVISORS LLC 0.15% 31,396 0% $71,897
Central Pacific Bank - Trust Division 0.11% 22,401 0% 0.01% $51,298
NORTHERN TRUST CORP 0.1% 20,998 -2.8% 0% $48,085
GSA CAPITAL PARTNERS LLP 0.09% 18,479 -47% 0% $42,000
UBS Group AG 0.08% 16,091 -61% 0% $36,848
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.05% 10,573 -5.2% 0% $23,895
MORGAN STANLEY 0.03% 6,243 0% 0% $14,298
SIMPLEX TRADING, LLC 0.02% 3,848 0% $8,000
PNC Financial Services Group, Inc. 0.01% 2,500 0% 0% $5,725
BANK OF AMERICA CORP /DE/ 0.01% 2,212 -5.9% 0% $5,065

Institutional Holders of AMPCO PITTSBURGH CORP - Common Stock, $1.00 par value per share (AP) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 22,401 $119,397 -$23,953 $5.33 1
2025 Q3 8,293,394 $18,989,068 -$678,475 $2.29 35
2025 Q2 8,557,660 $25,327,759 +$573,143 $2.96 39
2025 Q1 8,365,856 $18,151,623 +$70,725 $2.17 37
2024 Q4 8,337,827 $17,384,113 -$20,055 $2.09 36
2024 Q3 8,348,471 $16,658,491 -$667,851 $2.00 31
2024 Q2 8,775,556 $6,755,509 -$172,758 $0.77 40
2024 Q1 8,906,097 $19,325,379 +$283,049 $2.17 33
2023 Q4 8,754,649 $23,899,420 -$591,946 $2.73 33
2023 Q3 8,981,423 $23,619,830 -$13,530 $2.63 37
2023 Q2 8,980,181 $28,550,505 -$229,713 $3.18 35
2023 Q1 9,068,305 $22,216,278 -$58,210 $2.45 38
2022 Q4 9,090,591 $22,813,692 +$2,233,606 $2.51 35
2022 Q3 9,030,598 $33,229,000 +$484,751 $3.68 31
2022 Q2 8,898,865 $34,439,000 -$525,768 $3.87 31
2022 Q1 8,946,579 $56,455,000 +$3,616,194 $6.31 31
2021 Q4 8,357,621 $41,790,000 +$1,863,933 $5.00 32
2021 Q3 7,828,404 $36,792,000 -$1,267,423 $4.70 36
2021 Q2 8,071,068 $48,991,000 -$42,490,162 $6.07 36
2021 Q1 8,242,372 $96,837,000 +$29,224,529 $6.75 37
2020 Q4 7,427,401 $40,707,016 -$1,170,794 $5.48 35
2020 Q3 7,788,268 $25,623,010 +$7,867,793 $3.29 29
2020 Q2 5,397,563 $16,571,009 -$1,233,249 $3.07 30
2020 Q1 5,801,927 $14,507,008 -$355,764 $2.50 27
2019 Q4 5,872,887 $17,678,009 -$200,399 $3.01 30
2019 Q3 5,926,426 $21,807,339 +$76,756 $3.68 37
2019 Q2 5,916,577 $23,827,371 -$245,106 $4.03 37
2019 Q1 6,066,249 $20,017,234 +$402,089 $3.30 41
2018 Q4 5,946,099 $18,429,220 -$2,998,975 $3.10 40
2018 Q3 6,388,767 $37,686,419 -$4,292,035 $5.90 50
2018 Q2 6,648,472 $68,151,728 -$2,748,863 $10.25 53
2018 Q1 7,221,353 $64,265,819 +$2,163,373 $8.90 57
2017 Q4 6,959,593 $86,296,177 -$3,407,719 $12.40 61
2017 Q3 7,159,583 $124,564,782 +$2,011,800 $17.40 65
2017 Q2 7,050,402 $103,993,175 +$1,798,058 $14.75 57
2017 Q1 6,930,892 $97,370,068 +$8,069,343 $14.05 56
2016 Q4 6,938,634 $116,227,276 +$2,957,142 $16.75 63
2016 Q3 6,677,949 $74,061,183 +$83,341 $11.09 59
2016 Q2 6,668,721 $75,421,570 +$7,375,469 $11.31 66
2016 Q1 6,003,462 $83,515,278 +$472,846 $13.91 58
2015 Q4 6,023,316 $61,961,011 -$1,223,054 $10.26 55
2015 Q3 6,103,865 $66,593,218 -$1,826,773 $10.91 56
2015 Q2 6,097,060 $92,134,000 -$4,379,553 $15.11 61
2015 Q1 6,421,849 $112,139,633 +$2,331,593 $17.46 67
2014 Q4 6,301,377 $121,282,466 +$999,879 $19.25 68
2014 Q3 6,244,159 $124,882,860 +$1,002,184 $20.00 73
2014 Q2 6,190,732 $142,011,931 +$12,740,943 $22.94 81
2014 Q1 5,531,043 $104,387,446 -$7,244,507 $18.87 69