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Disclosery

AP AMPCO-PITTSBURG CORP

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COMMON STOCK (common), issuer CIK 6176

35 managers (36 13F filers) reported a position in AP shares at 2025-09-30, 8,293,395 shares in all. 4 filers opened a position and 7 filers sold out during the quarter.

Managers
35
13F filers
36
New
4
Added
7
Reduced
13
Sold out
7
Shares held by filers
8,293,395

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
GAMCO Investors (Gabelli)group of 2 filers holding3,765,010$8.62M-50,325Timeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC1,151,665$2.64M<0.01%-8,01613F-HRTimelineGroup
Ancora Advisors LLCin group Ancora Advisors LLC951,318$2.18M0.04%-117,21313F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC667,704$1.53M<0.01%+38,02113F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC480,619$1.1M<0.01%+31,82913F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP336,120$770K<0.01%-1,72413F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.169,238$388K<0.01%+3,91913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC142,099$326K<0.01%-19,96713F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC127,535$292K0.01%013F-HRTimeline
Teton Advisors, LLC108,500$248K0.15%13F-HRTimeline
RBF Capital, LLC90,950$208K0.01%013F-HRTimeline
STATE STREET CORPin group STATE STREET CORP74,216$170K<0.01%013F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC56,991$129K<0.01%013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC31,848$72.9K<0.01%+4,66213F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC31,396$71.9K<0.01%new13F-HRTimelineGroup
Central Pacific Bank - Trust Division22,401$51.3K0.01%013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP20,998$48.1K<0.01%-60013F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP18,479$42K<0.01%-16,56913F-HRTimeline
UBS Group AGin group UBS Group AG16,091$36.8K<0.01%-24,90113F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…10,573$23.9K<0.01%-58113F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY6,243$14.3K<0.01%013F-HR/ATimelineGroup
SIMPLEX TRADING, LLC3,848$8K<0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…2,500$5.72K<0.01%013F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/2,212$5.07K<0.01%-13913F-HR/ATimelineGroup
CITIGROUP INCin group CITIGROUP INC1,515$3.47K<0.01%+113F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,485$3.4K<0.01%-4713F-HRTimelineGroup
NewEdge Advisors, LLC1,081$2.48K<0.01%+22413F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.385$881<0.01%013F-HRTimelineGroup
GROUP ONE TRADING LLC200$458<0.01%-14,19713F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC99$227<0.01%new13F-HR/ATimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO28$64<0.01%-213F-HR/ATimelineGroup
SALEM INVESTMENT COUNSELORS INC25$58<0.01%013F-HRTimeline
QUADRANT CAPITAL GROUP LLC18$42<0.01%new13F-HRTimeline
SBI Securities Co., Ltd.4$9<0.01%013F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN1$1<0.01%013F-HRTimelineGroup