Ampco-Pittsburgh Ownership | Who Owns Ampco-Pittsburgh?

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Ampco-Pittsburgh Ownership Summary

Ampco-Pittsburgh is owned by 23.28% institutional investors, 23.47% insiders, and 53.25% retail investors. Gamco investors, inc. et al is the largest institutional shareholder, holding 12.22% of AP shares. 1290 VT GAMCO Small Company Value IB is the top mutual fund, with 4.87% of its assets in Ampco-Pittsburgh shares.

AP Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Ampco-Pittsburgh	23.28%	23.47%	53.25%
Sector	Industrials Stocks	47.66%	12.52%	39.82%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Gamco investors, inc. et al	2.47M	12.22%	$13.17M
Gabelli funds	1.40M	6.94%	$7.48M
Ameriprise financial	1.15M	5.73%	$2.64B
Ancora advisors	951.32K	4.73%	$2.18M
Vanguard group	654.63K	3.24%	$3.49M
Renaissance	461.30K	2.28%	$2.46M
Dimensional fund advisors lp	334.97K	1.66%	$1.79M
Blackrock	191.62K	0.97%	$147.54K
Blackrock funding, inc. /de	167.51K	0.83%	$892.82K
Eam investors	148.40K	0.73%	$790.95K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Teton advisors	112.00K	0.20%	$331.52K
Gamco investors, inc. et al	2.47M	0.13%	$13.17M
Eam investors	148.40K	0.09%	$790.95K
Gabelli funds	1.40M	0.05%	$7.48M
Ancora advisors	951.32K	0.04%	$2.18M
Central pacific bank - trust division	22.40K	0.01%	$119.40K
Rbf capital	90.95K	0.01%	$208.28K
Gsa capital partners llp	18.48K	0.01%	$98.00K
Bridgeway capital management	127.53K	0.01%	$292.06K
Renaissance	461.30K	0.00%	$2.46M

Top Buyers

Holder	Shares	% Assets	Change
Eam investors	148.40K	0.09%	148.40K
Sei investments	90.33K	0.00%	90.33K
Gamco investors, inc. et al	2.47M	0.13%	86.62K
Jane street group	25.37K	-	25.37K
Gabelli funds	1.40M	0.05%	23.50K

Top Sellers

Holder	Shares	% Assets	Change
Gator capital management	-	-	-146.68K
Ancora advisors	951.32K	0.04%	-117.21K
Perritt capital management	-	-	-38.51K
Hunter associates investment management	-	-	-25.00K
Virtu financial	-	-	-21.91K

New Positions

Holder	Shares	% Assets	Change	Value
Eam investors	148.40K	0.09%	148.40K	$790.95K
Sei investments	90.33K	0.00%	90.33K	$481.48K
Hrt financial lp	14.58K	0.00%	14.58K	$77.00K
Millennium management	11.08K	-	11.08K	$8.53K
Belvedere trading	10.29K	0.00%	10.29K	$54.83K

Sold Out

Holder	Change
Qube research	-2.00
Innealta capital	-5.00
Archer investment	-10.00
Salem investment counselors	-25.00
Jpmorgan chase	-28.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	9	-75.00%	4,708,775	-43.22%	23	1.37%	5	-58.33%	2	-84.62%
Sep 30, 2025	9	-77.50%	723,229	-91.55%	3	0.20%	2	-90.48%	3	-40.00%
Jun 30, 2025	40	-	8,557,375	2.29%	42	2.43%	20	42.86%	5	-16.67%
Mar 31, 2025	40	2.56%	8,365,858	0.34%	41	2.40%	14	27.27%	6	-25.00%
Dec 31, 2024	39	21.88%	8,337,829	-0.13%	41	2.39%	11	22.22%	8	-27.27%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
1290 VT GAMCO Small Company Value IB	990.00K	4.87%	-
Columbia Small Cap Value Discv A	842.09K	4.14%	301.46K
Columbia Small Cap Value Discovery Fund	833.49K	4.10%	19.70K
Columbia Small Cap Value I A	813.78K	4.02%	22.30K
Columbia Small Cap Value I	791.49K	3.94%	20.38K
Vanguard Total Stock Mkt Idx Inv	458.24K	2.25%	30.63K
Vanguard US Total Market Shares ETF	436.95K	2.17%	-
Gabelli Equity Trust Inc	412.00K	2.05%	-
Gabelli Equity Trust	412.00K	2.03%	-1.39K
Gabelli Dividend & Income	255.00K	1.25%	14.19K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Dec 01, 2025	McBrayer Brett	Chief Executive Officer	Buy	$48.94K
Nov 17, 2025	Louis Berkman Investment CO	-	Buy	$248.31K
Nov 19, 2025	McNair Darrell L	-	Buy	$7.56K
Nov 17, 2025	McNair Darrell L	-	Buy	$26.80K
Nov 17, 2025	GERMAN MICHAEL I	-	Buy	$106.00K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	-
2025 Q4	5	-
2025 Q2	-	-
2025 Q1	4	-
2024 Q2	-	-

AP Ownership FAQ

Who owns the most shares of Ampco-Pittsburgh?

Ampco-Pittsburgh’s largest shareholders are Gamco investors, inc. et al (2.47M shares, 12.22%), Gabelli funds (1.4M shares, 6.94%), and Ameriprise financial (1.15M shares, 5.73%). Together, they hold 24.89% 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 4.87% of its total shares outstanding invested in 990K Ampco-Pittsburgh shares.

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