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Ampco-Pittsburgh
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Overview Fund Activity

39 hedge funds and large institutions have $25.3M invested in Ampco-Pittsburgh in 2025 Q2 according to their latest regulatory filings, with 6 funds opening new positions, 15 increasing their positions, 4 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
39
Holders Change
+1
Holders Change %
+2.63%
% of All Funds
0.52%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
15
Reduced
4
Closed
5
Calls
$83K
Puts
–
Net Calls
+$83K
Net Calls Change
-$233K

Top Buyers

1
Ameriprise
Ameriprise
Minnesota
$3.43M
2
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
$1M
3
Goldman Sachs
Goldman Sachs
New York
$80.5K
4
GCP
GSA Capital Partners
United Kingdom
$104K
5
GI
GAMCO Investors
Connecticut
$7.24M

Top Sellers

1
GF
Gabelli Funds
New York
$4.05M
2
Citadel Advisors
Citadel Advisors
Florida
$0
3
TRCT
Tower Research Capital (TRC)
New York
$4.54K
4
Fidelity Investments
Fidelity Investments
Massachusetts
$0
5
Simplex Trading
Simplex Trading
Illinois
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
GI
1
GAMCO Investors
Connecticut
$7.24M +$59K +19,920 +0.8%
GF
2
Gabelli Funds
New York
$4.05M -$118K -40,000 -3%
Ameriprise
3
Ameriprise
Minnesota
$3.43M +$100K +33,950 +3%
AA
4
Ancora Advisors
Ohio
$3.16M – – –
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.86M +$15.5K +5,251 +0.8%
Renaissance Technologies
6
Renaissance Technologies
New York
$1.33M +$47.6K +16,071 +4%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$1M +$80.8K +27,307 +9%
BlackRock
8
BlackRock
New York
$489K +$657 +222 +0.1%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$480K +$12.8K +4,339 +3%
BCM
10
Bridgeway Capital Management
Texas
$378K – – –
TA
11
Teton Advisors
New York
$332K – – –
RC
12
RBF Capital
California
$269K – – –
State Street
13
State Street
Massachusetts
$220K – – –
Acadian Asset Management
14
Acadian Asset Management
Massachusetts
$166K – – –
UBS Group
15
UBS Group
Switzerland
$121K +$49.3K +16,658 +68%
GCP
16
GSA Capital Partners
United Kingdom
$104K +$62K +20,877 +147%
Susquehanna International Group
17
Susquehanna International Group
Pennsylvania
$82.3K +$48.4K +16,341 +143%
Goldman Sachs
18
Goldman Sachs
New York
$80.5K +$80.5K +27,186 New
HAIM
19
Hunter Associates Investment Management
Pennsylvania
$74K – – –
CPBTD
20
Central Pacific Bank - Trust Division
Hawaii
$66.3K – – –
T. Rowe Price Associates
21
T. Rowe Price Associates
Maryland
$64K – – –
Northern Trust
22
Northern Trust
Illinois
$63.9K -$272 -92 -0.4%
B
23
Bailard
California
$59K +$22K +7,434 +59%
Group One Trading
24
Group One Trading
Illinois
$42.6K +$42.6K +14,397 New
Wealth Enhancement Advisory Services
25
Wealth Enhancement Advisory Services
Minnesota
$32.3K +$32.3K +11,154 New
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