Ampco-PittsburghAP

13F holders, Q4 2024 (December 31)
37holders +5
6new positions
1sold out
3famous investors
$2.08avg. 13F price*

At the end of Q4 2024, 37 institutions reported holding Ampco-Pittsburgh Corp. (AP) in their 13F filings, up 5 from Q3 2024. 6 opened new positions and 1 sold out. The largest holders were GAMCO Investors ($5.1M), Gabelli Funds LLC ($2.9M) and Ameriprise Financial Inc. ($2.3M). 3 famous investors held it, including Mario Gabelli (0.1% of GAMCO Investors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Ampco-Pittsburgh Corp.
CUSIP
032037103
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080100 Q1 2024: 34Q1 2024Q2 2024: 42Q2 2024Q3 2024: 32Q3 2024Q4 2024: 37Q4 2024Q1 2025: 38Q1 2025Q2 2025: 39Q2 2025Q3 2025: 36Q3 2025Q4 2025: 43Q4 2025Q1 2026: 63Q1 2026Q2 2026: 85Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions6$125K
Exits1$44K

All 13F filers, Q3 2024 → Q4 2024: 80,918 shares bought and 91,562 shares sold, net −10,644 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 37 holders

GAMCO Investors 0.05% Add +0.6% 2,456,720 $5.1M
Gabelli Funds LLC 0.02% No change 1,407,800 $2.9M
Ameriprise Financial Inc. 0.00% Add +0.5% 1,084,403 $2.3M
Ancora Advisors LLC 0.05% No change 1,068,531 $2.2M
Vanguard Group Inc. 0.00% No change 624,432 $1.3M
Renaissance Technologies 0.00% Reduce -3.7% 436,619 $913K
Dimensional Fund Advisors LP 0.00% Reduce -7.2% 292,310 $611K
BlackRock, Inc. 0.00% Add +0.1% 164,112 $343K
Geode Capital Management, LLC 0.00% No change 152,111 $318K
Teton Advisors, Inc. 0.12% Reduce -1.1% 112,000 $234K
Bridgeway Capital Management, LLC 0.00% Reduce -8.1% 102,535 $214K
State Street Corp. 0.00% No change 74,216 $155K
RBF Capital, LLC 0.01% No change 90,950 $149K
Acadian Asset Management LLC 0.00% No change 56,991 $118K
Hunter Associates Investment Management LLC 0.01% Reduce -34.2% 25,000 $52K
Central Pacific Bank - Trust Division 0.01% Add +6.7% 22,401 $47K
T. Rowe Price Associates Inc. 0.00% No change 21,600 $46K
Northern Trust Corp. 0.00% No change 21,690 $45K
Two Sigma Securities, LLC 0.01% New 18,973 $40K
Susquehanna International Group, LLP 0.00% New 17,274 $36K
UBS Group AG 0.00% No change 16,000 $33K
Two Sigma Investments, LP 0.00% Reduce -17.1% 14,723 $31K
Citadel Advisors 0.00% New 11,182 $23K
Two Sigma Advisers, LP 0.00% Reduce -1.8% 11,100 $23K
Simplex Trading, LLC 0.00% Reduce -26.0% 10,920 $22K
XTX Topco Ltd 0.00% New 10,070 $21K
Morgan Stanley 0.00% No change 5,351 $11K
PNC Financial Services Group, Inc. 0.00% No change 2,500 $5K
Tower Research Capital LLC (TRC) 0.00% New 2,235 $5K
Citigroup Inc. 0.00% No change 1,514 $3K
Bank of America Corp. 0.00% Add +794.4% 1,127 $2K
Osaic Holdings, Inc. 0.00% No change 285 $596
Lee Danner & Bass Inc. 0.00% New 100 $209
Salem Investment Counselors Inc. 0.00% No change 25 $53
Quadrant Capital Group LLC 0.00% No change 18 $38
Archer Investment Corp 0.00% No change 10 $21
Wells Fargo & Company 0.00% No change 1 $1

"% of holder's portfolio" is AP's weight in each manager's 13F, not the share of Ampco-Pittsburgh Corp. the manager owns.