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Ampco-Pittsburgh
AP

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, 16 increasing their positions, 4 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more repeat investments, than reductions

Existing positions increased: 16 | Existing positions reduced: 4

40% more capital invested

Capital invested by funds: $18.2M → $25.3M (+$7.18M)

20% more first-time investments, than exits

New positions opened: 6 | Existing positions closed: 5

3% more funds holding

Funds holding: 38 → 39 (+1)

0.97% more ownership

Funds ownership: 41.62% → 42.59% (+0.97%)

Holders
39
Holders Change
+1
Holders Change %
+2.63%
% of All Funds
0.51%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
16
Reduced
4
Closed
5
Calls
$83K
Puts
–
Net Calls
+$83K
Net Calls Change
-$233K

Top Buyers

Rank Fund Capital Flow
1
Ameriprise
Ameriprise
Minnesota
+$88K
2
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$70.8K
3
Goldman Sachs
Goldman Sachs
New York
+$70.5K
4
GCP
GSA Capital Partners
United Kingdom
+$54.1K
5
GI
GAMCO Investors
Connecticut
+$51.7K

Top Sellers

Rank Fund Capital Flow
1
GF
Gabelli Funds
New York
-$104K
2
Citadel Advisors
Citadel Advisors
Florida
-$8.42K
3
TRCT
Tower Research Capital (TRC)
New York
-$3.62K
4
Simplex Trading
Simplex Trading
Illinois
-$3.39K
5
Fidelity Investments
Fidelity Investments
Massachusetts
-$2.65K
Name Holding Trade Value Shares
Change 		Change in
Stake
GI
1
GAMCO Investors
Connecticut
$7.24M +$51.7K +19,920 +0.8%
GF
2
Gabelli Funds
New York
$4.05M -$104K -40,000 -3%
Ameriprise
3
Ameriprise
Minnesota
$3.43M +$88K +33,950 +3%
AA
4
Ancora Advisors
Ohio
$3.16M – – –
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.86M +$13.6K +5,251 +0.8%
Renaissance Technologies
6
Renaissance Technologies
New York
$1.33M +$41.7K +16,071 +4%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$1M +$70.8K +27,307 +9%
BlackRock
8
BlackRock
New York
$489K +$576 +222 +0.1%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$480K +$11.3K +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 +$43.2K +16,658 +68%
GCP
16
GSA Capital Partners
United Kingdom
$104K +$54.1K +20,877 +147%
Susquehanna International Group
17
Susquehanna International Group
Pennsylvania
$82.3K +$42.4K +16,341 +143%
Goldman Sachs
18
Goldman Sachs
New York
$80.5K +$70.5K +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 -$239 -92 -0.4%
B
23
Bailard
California
$59K +$19.3K +7,434 +59%
Group One Trading
24
Group One Trading
Illinois
$42.6K +$37.3K +14,397 New
Wealth Enhancement Advisory Services
25
Wealth Enhancement Advisory Services
Minnesota
$32.3K +$28.9K +11,154 New
1
2

AP Hedge Fund Activity: Q2 2025 in Review

39 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Ampco-Pittsburgh (AP) for Q2 2025, worth a combined $25.3M — up 40% from $18.2M a quarter earlier.

Buyers outnumbered sellers: 6 funds opened new AP positions and 5 closed out — a net gain of 1 holder — while 16 added to existing stakes and 4 trimmed.

The largest buyer was Ameriprise, adding an estimated $88K. The largest seller was Gabelli Funds, cutting an estimated $104K.

  • 39 institutional investors held Ampco-Pittsburgh (AP) as of Q2 2025, up from 38 in Q1 2025.
  • Funds reported $25.3M of Ampco-Pittsburgh stock for Q2 2025, up 40% quarter-over-quarter.
  • 6 funds opened new Ampco-Pittsburgh positions in Q2 2025 and 5 closed out, a net change of +1 holder.
  • The largest Ampco-Pittsburgh buyer in Q2 2025 was Ameriprise, an estimated $88K added.
  • The largest Ampco-Pittsburgh seller in Q2 2025 was Gabelli Funds, an estimated $104K sold.

Based on aggregated 13F filings for Q2 2025.