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Ampco-Pittsburgh
AP

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.

New
Increased
Maintained
Reduced
Closed

25% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 4

14% more repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 7

3% more funds holding

Funds holding: 37 → 38 (+1)

4% more capital invested

Capital invested by funds: $17.4M → $18.2M (+$768K)

0.12% more ownership

Funds ownership: 41.5% → 41.62% (+0.12%)

Holders
38
Holders Change
+1
Holders Change %
+2.7%
% of All Funds
0.51%
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

Rank Fund Capital Flow
1
Ameriprise
Ameriprise
Minnesota
+$91.3K
2
BCM
Bridgeway Capital Management
Texas
+$55.2K
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$40.3K
4
GCP
GSA Capital Partners
United Kingdom
+$31.3K
5
B
Bailard
California
+$27.6K

Top Sellers

Rank Fund Capital Flow
1
GI
GAMCO Investors
Connecticut
-$64.3K
2
TSS
Two Sigma Securities
New York
-$39.7K
3
Two Sigma Investments
Two Sigma Investments
New York
-$30.8K
4
Simplex Trading
Simplex Trading
Illinois
-$21.2K
5
XT
XTX Topco
Cayman Islands
-$21K
Name Holding Trade Value Shares
Change 		Change in
Stake
GI
1
GAMCO Investors
Connecticut
$5.27M -$64.3K -29,105 -1%
GF
2
Gabelli Funds
New York
$3.05M – – –
Ameriprise
3
Ameriprise
Minnesota
$2.44M +$91.3K +41,328 +4%
AA
4
Ancora Advisors
Ohio
$2.32M – – –
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.36M – – –
Renaissance Technologies
6
Renaissance Technologies
New York
$939K -$8.61K -3,900 -0.9%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$674K +$40.3K +18,227 +6%
BlackRock
8
BlackRock
New York
$358K +$2.17K +985 +0.6%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$342K +$12.4K +5,616 +4%
BCM
10
Bridgeway Capital Management
Texas
$277K +$55.2K +25,000 +24%
TA
11
Teton Advisors
New York
$243K – – –
RC
12
RBF Capital
California
$197K – – –
State Street
13
State Street
Massachusetts
$161K – – –
Acadian Asset Management
14
Acadian Asset Management
Massachusetts
$122K – – –
HAIM
15
Hunter Associates Investment Management
Pennsylvania
$54K – – –
UBS Group
16
UBS Group
Switzerland
$52.8K +$18.4K +8,334 +52%
CPBTD
17
Central Pacific Bank - Trust Division
Hawaii
$48.6K – – –
Northern Trust
18
Northern Trust
Illinois
$47.1K – – –
T. Rowe Price Associates
19
T. Rowe Price Associates
Maryland
$47K – – –
GCP
20
GSA Capital Partners
United Kingdom
$31K +$31.3K +14,171 New
B
21
Bailard
California
$27.1K +$27.6K +12,500 New
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$24.9K -$12.8K -5,808 -34%
Two Sigma Advisers
23
Two Sigma Advisers
New York
$23.4K -$663 -300 -3%
Morgan Stanley
24
Morgan Stanley
New York
$11.6K – – –
Citadel Advisors
25
Citadel Advisors
Florida
$8.42K -$16.1K -7,303 -65%
1
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AP Hedge Fund Activity: Q1 2025 in Review

38 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Ampco-Pittsburgh (AP) for Q1 2025, worth a combined $18.2M — up 4.4% from $17.4M a quarter earlier.

Buyers outnumbered sellers: 5 funds opened new AP positions and 4 closed out — a net gain of 1 holder — while 8 added to existing stakes and 7 trimmed.

The largest buyer was Ameriprise, adding an estimated $91.3K. The largest seller was GAMCO Investors, cutting an estimated $64.3K.

  • 38 institutional investors held Ampco-Pittsburgh (AP) as of Q1 2025, up from 37 in Q4 2024.
  • Funds reported $18.2M of Ampco-Pittsburgh stock for Q1 2025, up 4.4% quarter-over-quarter.
  • 5 funds opened new Ampco-Pittsburgh positions in Q1 2025 and 4 closed out, a net change of +1 holder.
  • The largest Ampco-Pittsburgh buyer in Q1 2025 was Ameriprise, an estimated $91.3K added.
  • The largest Ampco-Pittsburgh seller in Q1 2025 was GAMCO Investors, an estimated $64.3K sold.

Based on aggregated 13F filings for Q1 2025.