AMPCO PITTSBURGH CORP - AP

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
GAMCO INVESTORS, INC. ET AL History Added to 2,470,828 13,169 0.13% 0.05% 1 +86,618 3.63% Q4 2025 Feb 05, 2026
GABELLI FUNDS LLC History New 1,404,300 7,484 0.05% 2 +1,404,300 New Q4 2025 Feb 05, 2026
AMERIPRISE FINANCIAL INC History Added to 1,162,445 6,195 0.0% 0.0% 3 +10,780 0.94% Q4 2025 Feb 17, 2026
VANGUARD GROUP INC History Reduced 654,635 3,489 0.0% 0.0% 4 -13,069 -1.96% Q4 2025 Jan 29, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 461,302 2,458 0.0% 0.0% 5 -19,317 -4.02% Q4 2025 Feb 12, 2026
Ancora Advisors LLC History Reduced 354,100 1,887 0.04% 0.04% 6 -597,218 -62.78% Q4 2025 Feb 17, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 334,973 1,785 0.0% 0.0% 7 -1,147 -0.34% Q4 2025 Feb 12, 2026
MARSHALL WACE, LLP History New 208,342 1,110 0.0% 8 +208,342 New Q4 2025 Feb 13, 2026
BlackRock, Inc. History Reduced 167,509 892 0.0% 0.0% 9 -1,729 -1.02% Q4 2025 Feb 12, 2026
Informed Momentum Co LLC History New 148,395 790 0.09% 10 +148,395 New Q4 2025 Feb 12, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 142,099 757 0.0% 0.0% 11 0 0.0% Q4 2025 Feb 09, 2026
Teton Advisors, LLC History Added to 130,000 692 0.48% 0.15% 12 +21,500 19.82% Q4 2025 Feb 05, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Reduced 107,535 573 0.01% 0.01% 13 -20,000 -15.68% Q4 2025 Feb 17, 2026
SEI INVESTMENTS CO History New 90,334 481 0.0% 14 +90,334 New Q4 2025 Feb 13, 2026
STATE STREET CORP History Added to 80,116 427 0.0% 0.0% 15 +5,900 7.95% Q4 2025 Feb 13, 2026
ACADIAN ASSET MANAGEMENT LLC History Added to 65,515 348 0.0% 0.0% 16 +8,524 14.96% Q4 2025 Feb 10, 2026
RBF Capital, LLC History Reduced 60,000 319 0.01% 0.01% 17 -30,950 -34.03% Q4 2025 Feb 17, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History New 41,564 221 0.0% 18 +41,564 New Q4 2025 Feb 17, 2026
NORTHERN TRUST CORP History Added to 28,419 151 0.0% 0.0% 19 +7,421 35.34% Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History Reduced 28,251 150 0.0% 0.0% 20 -3,597 -11.29% Q4 2025 Mar 25, 2026
JANE STREET GROUP, LLC History New 25,369 135 0.0% 21 +25,369 New Q4 2025 Feb 12, 2026
CITADEL ADVISORS LLC History Reduced 24,874 132 0.0% 0.0% 22 -6,522 -20.77% Q4 2025 Feb 17, 2026
Central Pacific Bank - Trust Division History No change 22,401 119 0.01% 0.01% 23 0 0.0% Q4 2025 Jan 07, 2026
GSA CAPITAL PARTNERS LLP History No change 18,479 98 0.01% 0.0% 24 0 0.0% Q4 2025 Feb 06, 2026
UBS Group AG History Reduced 16,020 85 0.0% 0.0% 25 -71 -0.44% Q4 2025 Jan 29, 2026
HRT FINANCIAL LP History New 14,580 77 0.0% 26 +14,580 New Q4 2025 Feb 12, 2026
ALGERT GLOBAL LLC History New 12,570 67 0.0% 27 +12,570 New Q4 2025 Feb 17, 2026
HUB Investment Partners, LLC History New 10,300 54 0.0% 30 +10,300 New Q4 2025 Feb 17, 2026
Belvedere Trading LLC History New 10,287 54 0.0% 29 +10,287 New Q4 2025 Feb 10, 2026
GROUP ONE TRADING LLC History Added to 10,280 54 0.0% 28 +10,080 5040.0% Q4 2025 Feb 12, 2026
SIMPLEX TRADING, LLC History Added to 7,573 40 0.0% 0.0% 31 +3,725 96.8% Q4 2025 Feb 11, 2026
MORGAN STANLEY History Added to 6,871 36 0.0% 0.0% 32 +628 10.06% Q4 2025 Feb 13, 2026
PNC FINANCIAL SERVICES GROUP, INC. History No change 2,500 13 0.0% 0.0% 33 0 0.0% Q4 2025 Feb 06, 2026
BANK OF AMERICA CORP /DE/ History Added to 2,215 11 0.0% 0.0% 34 +3 0.14% Q4 2025 Feb 17, 2026
NewEdge Advisors, LLC History Added to 1,849 9 0.0% 0.0% 35 +768 71.05% Q4 2025 Feb 18, 2026
CITIGROUP INC History Reduced 1,514 8 0.0% 0.0% 36 -1 -0.07% Q4 2025 Feb 13, 2026
OSAIC HOLDINGS, INC. History No change 385 2 0.0% 37 0 0.0% Q4 2025 Feb 17, 2026
Farther Finance Advisors, LLC History New 300 1 0.0% 38 +300 New Q4 2025 Jan 23, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Closed out 0 0 0.0% -10,573 -100.0% Q3 2025 Oct 29, 2025
Tower Research Capital LLC (TRC) History Closed out 0 0 0.0% -1,485 -100.0% Q3 2025 Nov 14, 2025
SHP Wealth Management History New 100 0 +100 New Q4 2025 Mar 04, 2026
BARCLAYS PLC History Closed out 0 0 -99 -100.0% Q3 2025 Mar 31, 2026
JONES FINANCIAL COMPANIES LLLP History New 75 0 +75 New Q4 2025 Feb 17, 2026
JPMORGAN CHASE & CO History Closed out 0 0 -28 -100.0% Q3 2025 Nov 26, 2025
SALEM INVESTMENT COUNSELORS INC History Closed out 0 0 -25 -100.0% Q3 2025 Oct 07, 2025
WELLS FARGO & COMPANY/MN History No change 1 0 0 0.0% Q4 2025 Feb 13, 2026
QUADRANT CAPITAL GROUP LLC History No change 18 0 0 0.0% Q4 2025 Feb 13, 2026
SBI Securities Co., Ltd. History No change 4 0 0 0.0% Q4 2025 Feb 03, 2026