Ticker · CUSIP 032037103

AP

AMPCO-PITTSBURG CORP
···Share
Holders (tracked)
4
Combined shares
2,957,004
Combined value
$15.76M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
472024Q12025Q4

SEC event timeline

6 events
  1. −17,522 shares · 2025Q4
    13F
  2. −19,317 shares · 2025Q4
    13F
  3. +86,618 shares · 2025Q4
    13F
  4. −21,600 shares · 2025Q3
    13F
  5. +31,829 shares · 2025Q3
    13F
  6. −63,325 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions0
Added to1
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
4
$17.7M
2022Q2
4
$10.7M
2022Q3
4
$10K
2022Q4
7
$6.5M
2023Q1
8
$6.5M
2023Q2
7
$8.5M
2023Q3
6
$7.1M
2023Q4
7
$7.4M
2024Q1
7
$5.9M
2024Q2
8
$2.5M
2024Q3
4
$5.8M
2024Q4
6
$6.1M
2025Q1
5
$6.2M
2025Q2
3
$8.6M
2025Q3
3
$6.6M
2025Q4
4
$15.8M

Who owns AP

4 super-investors · 2025Q4
Tracked stake
2.96M
shares
Combined value
$16M
% of shares outstanding
shares-out unknown
Quarter action mix
Added1Trim3
#ManagerSharesValue
1Mario Gabelli
GAMCO
2.47M$13M
2Renaissance Technologies461.3K$2M
3Ken Griffin
Citadel Advisors
13.9K$74K
4Ken Griffin
Citadel Advisors
11.0K$59K

Recent moves

20 transactions
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