Ticker · CUSIP 032037103

AP

AMPCO-PITTSBURG CORP
···Share
Holders (tracked)
4
Combined shares
2,957,004
Combined value
$15.76M
Last close
$9.47
Quarter
2025Q4
Price · 1Y$9.47+7.50 (+380.71%)H $9.99 · L $1.78 · Avg Vol 148K
$2.00$4.00$6.00$8.00$10.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
472024Q12025Q4
Price is +77.7% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

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

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of AP…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ken Griffin (Citadel Advisors)2021Q2$2.24+323.5%$104K
Ken Griffin (Citadel Advisors)2021Q2$2.24+323.5%$104K
Renaissance Technologies2016Q1$6.04+56.8%$4.4M
Mario Gabelli (GAMCO)2016Q1$6.96+36.0%$23.4M

Who moved on this name in 2025Q4

Position changes 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
$10.0M
2022Q4
7
$7.8M
2023Q1
8
$7.9M
2023Q2
7
$10.1M
2023Q3
6
$8.4M
2023Q4
7
$8.9M
2024Q1
7
$7.1M
2024Q2
8
$2.6M
2024Q3
4
$5.9M
2024Q4
6
$6.1M
2025Q1
5
$6.3M
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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