AMPCO PITTSBURGH CORP - AP

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q3 2026 · Compare: Q2 2026
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 No change 2,459,829 21,277 0.19% 0.19% 1 0 0.0% Q2 2026 Aug 12, 2026
GABELLI FUNDS LLC History No change 1,391,800 12,039 0.08% 0.08% 2 0 0.0% Q2 2026 Aug 12, 2026
BlackRock, Inc. History No change 982,611 8,499 0.0% 0.0% 3 0 0.0% Q2 2026 Aug 07, 2026
AMERIPRISE FINANCIAL INC History No change 905,679 7,834 0.0% 0.0% 4 0 0.0% Q2 2026 Aug 14, 2026
WELLS FARGO & COMPANY/MN History No change 660,945 5,717 0.0% 0.0% 5 0 0.0% Q2 2026 Aug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLC History No change 604,091 5,225 0.0% 0.0% 6 0 0.0% Q2 2026 Aug 13, 2026
RENAISSANCE TECHNOLOGIES LLC History No change 414,419 3,584 0.0% 0.0% 7 0 0.0% Q2 2026 Aug 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 342,836 2,966 0.0% 0.0% 8 0 0.0% Q2 2026 Aug 12, 2026
AMERICAN CENTURY COMPANIES INC History No change 328,848 2,844 0.0% 0.0% 9 0 0.0% Q2 2026 Aug 12, 2026
DIMENSIONAL FUND ADVISORS LP History No change 295,444 2,555 0.0% 0.0% 10 0 0.0% Q2 2026 Aug 11, 2026
Meros Investment Management, LP History No change 239,910 2,075 0.66% 0.66% 11 0 0.0% Q2 2026 Aug 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History No change 238,321 2,061 0.0% 0.0% 12 0 0.0% Q2 2026 Aug 14, 2026
JANE STREET GROUP, LLC History No change 208,971 1,807 0.0% 0.0% 13 0 0.0% Q2 2026 Aug 14, 2026
ACADIAN ASSET MANAGEMENT LLC History No change 191,015 1,646 0.0% 0.0% 14 0 0.0% Q2 2026 Aug 13, 2026
O'SHAUGHNESSY ASSET MANAGEMENT, LLC History No change 174,312 1,507 0.01% 0.01% 15 0 0.0% Q2 2026 Aug 13, 2026
STATE STREET CORP History No change 159,316 1,378 0.0% 0.0% 16 0 0.0% Q2 2026 Sep 22, 2026
Huntleigh Advisors, Inc. History No change 141,172 1,221 0.17% 0.17% 17 0 0.0% Q2 2026 Aug 04, 2026
RITHOLTZ WEALTH MANAGEMENT History No change 132,943 1,149 0.02% 0.02% 18 0 0.0% Q2 2026 Aug 11, 2026
Teton Advisors, LLC History No change 130,000 1,124 0.65% 0.65% 19 0 0.0% Q2 2026 Aug 12, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 125,386 1,084 0.02% 0.02% 20 0 0.0% Q2 2026 Aug 14, 2026
NORTHERN TRUST CORP History No change 121,477 1,050 0.0% 0.0% 21 0 0.0% Q2 2026 Aug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History No change 112,721 975 0.0% 0.0% 22 0 0.0% Q2 2026 Aug 13, 2026
GOLDMAN SACHS GROUP INC History No change 100,724 871 0.0% 0.0% 23 0 0.0% Q2 2026 Aug 14, 2026
VANGUARD FIDUCIARY TRUST CO History No change 92,875 803 0.0% 0.0% 24 0 0.0% Q2 2026 Aug 13, 2026
Informed Momentum Co LLC History No change 90,053 778 0.07% 0.07% 25 0 0.0% Q2 2026 Aug 13, 2026
Caption Management, LLC History No change 90,000 778 0.0% 0.0% 26 0 0.0% Q2 2026 Aug 14, 2026
MARSHALL WACE, LLP History No change 80,361 695 0.0% 0.0% 27 0 0.0% Q2 2026 Aug 13, 2026
Palumbo Wealth Management LLC History No change 79,185 684 0.14% 0.14% 28 0 0.0% Q2 2026 Aug 12, 2026
CITADEL ADVISORS LLC History No change 68,809 595 0.0% 0.0% 29 0 0.0% Q2 2026 Sep 02, 2026
SEI INVESTMENTS CO History No change 65,911 570 0.0% 0.0% 30 0 0.0% Q2 2026 Aug 14, 2026
PANAGORA ASSET MANAGEMENT INC History No change 52,441 453 0.0% 0.0% 31 0 0.0% Q2 2026 Aug 06, 2026
Empowered Funds, LLC History No change 50,286 434 0.0% 0.0% 32 0 0.0% Q2 2026 Aug 14, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History No change 39,373 340 0.0% 0.0% 33 0 0.0% Q2 2026 Aug 14, 2026
Bank of New York Mellon Corp History No change 33,984 293 0.0% 0.0% 34 0 0.0% Q2 2026 Aug 06, 2026
UBS Group AG History No change 32,154 278 0.0% 0.0% 35 0 0.0% Q2 2026 Aug 13, 2026
Qube Research & Technologies Ltd History No change 32,230 278 0.0% 0.0% 36 0 0.0% Q2 2026 Aug 14, 2026
Dynamic Technology Lab Private Ltd History No change 30,373 263 0.06% 0.06% 37 0 0.0% Q2 2026 Aug 13, 2026
OCCUDO QUANTITATIVE STRATEGIES LP History No change 24,936 215 0.01% 0.01% 38 0 0.0% Q2 2026 Aug 13, 2026
XTX Topco Ltd History No change 23,995 207 0.0% 0.0% 39 0 0.0% Q2 2026 Aug 14, 2026
Central Pacific Bank - Trust Division History No change 22,401 198 0.02% 0.02% 40 0 0.0% Q3 2026 Oct 05, 2026
GSA CAPITAL PARTNERS LLP History No change 21,641 187 0.01% 0.01% 41 0 0.0% Q2 2026 Aug 06, 2026
Nuveen, LLC History No change 21,419 185 0.0% 0.0% 42 0 0.0% Q2 2026 Aug 11, 2026
MILLENNIUM MANAGEMENT LLC History No change 19,793 171 0.0% 0.0% 43 0 0.0% Q2 2026 Aug 14, 2026
Janney Montgomery Scott LLC History No change 17,516 152 0.0% 0.0% 44 0 0.0% Q2 2026 Aug 05, 2026
Brevan Howard Capital Management LP History No change 16,388 141 0.0% 0.0% 45 0 0.0% Q2 2026 Aug 14, 2026
DEUTSCHE BANK AG\ History No change 16,137 139 0.0% 0.0% 46 0 0.0% Q2 2026 Aug 07, 2026
RAFFLES ASSOCIATES LP History No change 15,000 129 0.12% 0.12% 47 0 0.0% Q2 2026 Aug 14, 2026
Graham Capital Management, L.P. History No change 14,835 128 0.0% 0.0% 48 0 0.0% Q2 2026 Aug 14, 2026
STRS OHIO History No change 14,000 121 0.0% 0.0% 49 0 0.0% Q2 2026 Jul 30, 2026
BANK OF AMERICA CORP /DE/ History No change 13,954 120 0.0% 0.0% 50 0 0.0% Q2 2026 Aug 14, 2026
RHUMBLINE ADVISERS History No change 13,659 118 0.0% 0.0% 51 0 0.0% Q2 2026 Aug 11, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History No change 13,488 117 0.0% 0.0% 52 0 0.0% Q2 2026 Aug 14, 2026
MORGAN STANLEY History No change 13,560 117 0.0% 0.0% 53 0 0.0% Q2 2026 Aug 13, 2026
IMC-Chicago, LLC History No change 13,316 115 0.0% 0.0% 54 0 0.0% Q2 2026 Aug 06, 2026
Engineers Gate Manager LP History No change 12,307 106 0.0% 0.0% 55 0 0.0% Q2 2026 Aug 14, 2026
ALGERT GLOBAL LLC History No change 11,642 100 0.0% 0.0% 56 0 0.0% Q2 2026 Aug 13, 2026
Hodges Capital Management Inc. History No change 11,185 96 0.01% 0.01% 57 0 0.0% Q2 2026 Aug 03, 2026
MetLife Investment Management, LLC History No change 9,895 85 0.0% 0.0% 58 0 0.0% Q2 2026 Aug 13, 2026
CITIGROUP INC History No change 9,134 79 0.0% 0.0% 59 0 0.0% Q2 2026 Aug 03, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History No change 7,463 64 0.0% 0.0% 60 0 0.0% Q2 2026 Aug 14, 2026
JPMORGAN CHASE & CO History No change 7,250 63 0.0% 0.0% 61 0 0.0% Q2 2026 Aug 12, 2026
GROUP ONE TRADING LLC History No change 7,005 60 0.0% 0.0% 62 0 0.0% Q2 2026 Aug 13, 2026
PNC FINANCIAL SERVICES GROUP, INC. History No change 6,600 57 0.0% 0.0% 63 0 0.0% Q2 2026 Aug 07, 2026
Police & Firemen's Retirement System of New Jersey History No change 4,780 41 0.0% 0.0% 64 0 0.0% Q2 2026 Jul 23, 2026
Vanguard Global Advisers, LLC History No change 3,678 31 0.0% 0.0% 65 0 0.0% Q2 2026 Aug 13, 2026
BARCLAYS PLC History No change 3,341 28 0.0% 0.0% 66 0 0.0% Q2 2026 Aug 14, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 2,900 25 0.0% 0.0% 67 0 0.0% Q2 2026 Jul 29, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 2,813 24 0.0% 0.0% 68 0 0.0% Q2 2026 Aug 13, 2026
Legal & General Group Plc History No change 1,581 13 0.0% 0.0% 69 0 0.0% Q2 2026 Aug 14, 2026
Ameritas Investment Partners, Inc. History No change 1,471 12 0.0% 0.0% 70 0 0.0% Q2 2026 Aug 13, 2026
Russell Investments Group, Ltd. History No change 1,296 11 0.0% 0.0% 71 0 0.0% Q2 2026 Aug 06, 2026
GAMMA Investing LLC History New 1,059 9 0.0% — 74 +1,059 New Q3 2026 Oct 08, 2026
JONES FINANCIAL COMPANIES LLLP History No change 967 9 0.0% 0.0% 72 0 0.0% Q2 2026 Aug 14, 2026
Tower Research Capital LLC (TRC) History No change 1,137 9 0.0% 0.0% 73 0 0.0% Q2 2026 Aug 11, 2026
FMR LLC History No change 700 6 0.0% 0.0% 75 0 0.0% Q2 2026 Aug 13, 2026
ROYAL BANK OF CANADA History No change 707 6 0.0% 0.0% 76 0 0.0% Q2 2026 Aug 14, 2026
Farther Finance Advisors, LLC History Added to 634 5 0.0% 0.0% 77 +34 5.67% Q3 2026 Oct 08, 2026
Markowski Investments History No change 500 4 0.0% 0.0% 78 0 0.0% Q2 2026 Aug 13, 2026
FEDERATED HERMES, INC. History No change 367 3 0.0% 0.0% 79 0 0.0% Q2 2026 Aug 12, 2026
OSAIC HOLDINGS, INC. History No change 360 3 0.0% 0.0% 80 0 0.0% Q2 2026 Aug 14, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History No change 223 1 0.0% 0.0% 81 0 0.0% Q2 2026 Aug 24, 2026
SBI Securities Co., Ltd. History No change 125 1 0.0% 0.0% 82 0 0.0% Q2 2026 Jul 22, 2026
SALEM INVESTMENT COUNSELORS INC History No change 25 0 — — — 0 0.0% Q2 2026 Jul 14, 2026
Sterling Capital Management LLC History No change 57 0 — — — 0 0.0% Q2 2026 Jul 28, 2026
Fortitude Family Office, LLC History No change 61 0 — — — 0 0.0% Q2 2026 Jul 20, 2026
Caitong International Asset Management Co., Ltd History No change 2 0 — — — 0 0.0% Q2 2026 Aug 04, 2026
Rialto Wealth Management, LLC History No change 79 0 — — — 0 0.0% Q2 2026 Aug 11, 2026