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Ampco-Pittsburgh
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Overview Fund Activity

38 hedge funds and large institutions have $18.2M invested in Ampco-Pittsburgh in 2025 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 8 increasing their positions, 7 reducing their positions, and 4 closing their positions.

Holders
38
Holders Change
+1
Holders Change %
+2.7%
% of All Funds
0.52%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
8
Reduced
7
Closed
4
Calls
$316K
Puts
–
Net Calls
+$316K
Net Calls Change
+$282K

Top Buyers

1
Ameriprise
1
Ameriprise
Minnesota
$2.44M
2
BCM
2
Bridgeway Capital Management
Texas
$277K
3
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$674K
4
GCP
4
GSA Capital Partners
United Kingdom
$31K
5
B
5
Bailard
California
$27.1K

Top Sellers

1
GI
1
GAMCO Investors
Connecticut
$5.27M
2
TSS
2
Two Sigma Securities
New York
$0
3
Two Sigma Investments
3
Two Sigma Investments
New York
$0
4
XT
4
XTX Topco
Cayman Islands
$0
5
Citadel Advisors
5
Citadel Advisors
Florida
$8.42K
Name Market Value Shares Shares
Change 		Shares
Change %
GI
1
GAMCO Investors
Connecticut
$5.27M 2,427,615 -29,105 -1%
GF
2
Gabelli Funds
New York
$3.05M 1,407,800 – –
Ameriprise
3
Ameriprise
Minnesota
$2.44M 1,125,731 +41,328 +4%
AA
4
Ancora Advisors
Ohio
$2.32M 1,068,531 – –
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.36M 624,432 – –
Renaissance Technologies
6
Renaissance Technologies
New York
$939K 432,719 -3,900 -0.9%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$674K 310,537 +18,227 +6%
BlackRock
8
BlackRock
New York
$358K 165,097 +985 +0.6%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$342K 157,727 +5,616 +4%
BCM
10
Bridgeway Capital Management
Texas
$277K 127,535 +25,000 +24%
TA
11
Teton Advisors
New York
$243K 112,000 – –
RC
12
RBF Capital
California
$197K 90,950 – –
State Street
13
State Street
Massachusetts
$161K 74,216 – –
Acadian Asset Management
14
Acadian Asset Management
Massachusetts
$122K 56,991 – –
HAIM
15
Hunter Associates Investment Management
Pennsylvania
$54K 25,000 – –
UBS Group
16
UBS Group
Switzerland
$52.8K 24,334 +8,334 +52%
CPBTD
17
Central Pacific Bank - Trust Division
Hawaii
$48.6K 22,401 – –
Northern Trust
18
Northern Trust
Illinois
$47.1K 21,690 – –
T. Rowe Price Associates
19
T. Rowe Price Associates
Maryland
$47K 21,600 – –
GCP
20
GSA Capital Partners
United Kingdom
$31K 14,171 +14,171 New
B
21
Bailard
California
$27.1K 12,500 +12,500 New
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$24.9K 11,466 -5,808 -34%
Two Sigma Advisers
23
Two Sigma Advisers
New York
$23.4K 10,800 -300 -3%
Morgan Stanley
24
Morgan Stanley
New York
$11.6K 5,351 – –
Citadel Advisors
25
Citadel Advisors
Florida
$8.42K 3,879 -7,303 -65%
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