Ampco-Pittsburgh Ownership | Who Owns Ampco-Pittsburgh?


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Ampco-Pittsburgh Ownership Summary


Ampco-Pittsburgh is owned by 3.60% institutional investors, 25.85% insiders, and 70.56% retail investors. Gamco investors, inc. et al is the largest institutional shareholder, holding 11.86% of AP shares. 1290 VT GAMCO Small Company Value IB is the top mutual fund, with 4.78% of its assets in Ampco-Pittsburgh shares.

AP Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockAmpco-Pittsburgh3.60%25.85%70.56%
SectorIndustrials Stocks 46.81%12.58%40.62%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Gamco investors, inc. et al2.38M11.86%$5.46M
Gabelli funds1.38M6.87%$3.16M
Ameriprise financial1.15M5.73%$2.64B
Ancora advisors951.32K4.73%$2.18M
Vanguard group667.70K3.32%$1.53M
Renaissance480.62K2.39%$1.10M
Dimensional fund advisors lp336.12K1.67%$769.77K
Blackrock191.62K0.97%$147.54K
Blackrock funding, inc. /de169.24K0.84%$387.56K
Geode capital management142.10K0.71%$325.50K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Teton advisors112.00K0.20%$331.52K
Gamco investors, inc. et al2.38M0.05%$5.46M
Ancora advisors951.32K0.04%$2.18M
Gabelli funds1.38M0.02%$3.16M
Rbf capital90.95K0.01%$208.28K
Bridgeway capital management127.53K0.01%$292.06K
Central pacific bank - trust division22.40K0.01%$51.30K
Gsa capital partners llp18.48K0.00%$42.00K
Renaissance480.62K0.00%$1.10M
Ameriprise financial1.15M0.00%$2.64B

Top Buyers

HolderShares% AssetsChange
Vanguard group667.70K-38.02K
Renaissance480.62K0.00%31.83K
Susquehanna group, llp17.27K-17.27K
Gabelli funds1.38M0.02%13.00K
Millennium management11.08K-11.08K

Top Sellers

HolderShares% AssetsChange
Gator capital management---146.68K
Ancora advisors951.32K0.04%-117.21K
Gamco investors, inc. et al2.38M0.05%-63.33K
Perritt capital management---38.51K
Hunter associates investment management---25.00K

New Positions

HolderShares% AssetsChangeValue
Millennium management11.08K-11.08K$8.53K
Barclays99.00-99.00$227.00

Sold Out

HolderChange
Qube research-2.00
Innealta capital-5.00
Archer investment-10.00
Lee danner & bass-100.00
Raymond james financial-5.87K

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 20259-77.50%723,229-91.55%30.20%2-90.48%3-40.00%
Jun 30, 202540-8,557,3752.29%422.43%2042.86%5-16.67%
Mar 31, 2025402.56%8,365,8580.34%412.40%1427.27%6-25.00%
Dec 31, 20243921.88%8,337,829-0.13%412.39%1122.22%8-27.27%
Sep 30, 202432-25.58%8,348,473-4.87%412.11%9-50.00%1110.00%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
1290 VT GAMCO Small Company Value IB970.51K4.78%-
Columbia Small Cap Value I A813.78K4.02%22.30K
Columbia Small Cap Value Discv A813.78K4.01%22.30K
Columbia Small Cap Value I791.49K3.94%20.38K
Columbia Small Cap Value Discovery Fund791.49K3.90%20.38K
Vanguard US Total Market Shares ETF436.95K2.17%-
Vanguard Total Stock Mkt Idx Inv427.61K2.11%-9.35K
Gabelli Equity Trust Inc412.00K2.05%-
Gabelli Equity Trust413.39K2.03%1.39K
GAMCO SMID Cap Value244.00K1.21%-

Recent Insider Transactions


DateNameRoleActivityValue
Nov 19, 2025McNair Darrell L-Buy$7.56K
Nov 17, 2025McNair Darrell L-Buy$26.80K
Nov 17, 2025GERMAN MICHAEL I-Buy$106.00K
Mar 25, 2025Fessenden Elizabeth Anne-Buy$2.98K
Mar 24, 2025Fessenden Elizabeth Anne-Buy$681.00

Insider Transactions Trends


DateBuySell
2025 Q43-
2025 Q2--
2025 Q14-
2024 Q2--
2023 Q31-

AP Ownership FAQ


Who owns the most shares of Ampco-Pittsburgh?

Ampco-Pittsburgh’s largest shareholders are Gamco investors, inc. et al (2.38M shares, 11.86%), Gabelli funds (1.38M shares, 6.87%), and Ameriprise financial (1.15M shares, 5.73%). Together, they hold 24.45% of Ampco-Pittsburgh’s total shares outstanding.

Does Blackrock own Ampco-Pittsburgh?

Yes, BlackRock owns 0.97% of Ampco-Pittsburgh, totaling 191.62K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 147.54K$. In the last quarter, BlackRock decreased its holdings by -2.436K shares, a -1.26% change.

Who is Ampco-Pittsburgh’s biggest shareholder by percentage of total assets invested?

Teton advisors is Ampco-Pittsburgh’s biggest shareholder by percentage of total assets invested, with 0.20% of its assets in 112K Ampco-Pittsburgh shares, valued at 331.52K$.

Who is the top mutual fund holder of Ampco-Pittsburgh shares?

1290 VT GAMCO Small Company Value IB is the top mutual fund holder of Ampco-Pittsburgh shares, with 4.78% of its total shares outstanding invested in 970.51K Ampco-Pittsburgh shares.

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