Ampco Pittsburgh Corp

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Ampco Pittsburgh Corp
TickerAP
CIK #0000006176
CUSIP032037103
SectorTechnology - Pumps & Pumping Equipment
Address600 Grant St Ste 4600, Pittsburgh, PA 15219
Source [EDGAR]
CIK Filing 2011 - 2025
[0000006176] 10-K
[0000006176] 10-Q
[0000006176] 3
[0000006176] 4
[0000006176] 5
[0000006176] 8-K
[0000006176] SC 13D
[0000006176] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Rutabaga Capital Management LLC/MA Ampco Pittsburgh Corp [2025-02-26] 0.0
Ancora Advisors LLC Ampco Pittsburgh Corp [2022-01-07] 1.0
2006 Irrevocable Trust of Laura W van Loan for the Benefit of Mary M Crawford Ampco Pittsburgh Corp [2020-08-13] 5.33
Dimitrieff John M Ampco Pittsburgh Corp [2020-04-30] 5.9
Ameriprise Financial Inc Ampco Pittsburgh Corp [2020-02-14] 5.11
Dimensional Fund Advisors LP Ampco Pittsburgh Corp [2018-02-09] 5.45
Altor Holdings Ltd Ampco Pittsburgh Corp [2016-04-01] 8.3
BlackRock Inc Ampco Pittsburgh Corp [2015-02-03] 5.2
BlackRock Inc Ampco Pittsburgh Corp [2013-01-30] 5.4
Form 3/4/5 Filer 2011 - 2025
Ampco Pittsburgh Corp
McBrayer Brett
Lyon Samuel
McAuley Michael G
Anderson David George
Fessenden Elizabeth Anne
Abel James J
Paul Laurence E
McNair Darrell L
Lieberman William K
German Michael I
DeMichiei Robert
DiSanto Frederick D.
Paul Stephen E
Pforzheimer Carl H II
Louis Berkman Investment CO
Hoover Rose
Kenny Terrence W
Dunlap Terry L
2006 Irrevocable Trust of Laura W. Van Loan for the Benefit
Crawford Edward F
CRAWFORD UNITED Corp
Zatawski Keith
Johnson Marliss
Altor II Aggregator Topco Ltd
Trainor Maria
Clutterbuck Timothy
Scagline Rodney
Siddons Ernest G
Carroll Leonard M
Whitty Ann
Stanik John S
Gould Paul A
Stromholm Fredrik
GGCP Inc
Associated Capital Group, Inc.
Gabelli Mario J
Gamco Investors Inc ET AL
Altor Fund II GP Ltd
Altor Holdings Ltd
Carothers Robert G
Paul Robert A
Appel Robert J
Schultz Robert F
Form 13F Holdings
Firm Period DFND Voting Shares
Gamco Investors Inc ET AL [2025-06-30] SOLE 2,360,535 2,447,535
Gabelli Funds LLC [2025-06-30] SOLE 1,367,800 1,367,800
Ameriprise Financial Inc [2025-06-30] DFND 0 1,159,681
Ancora Advisors LLC [2025-06-30] SOLE 1,068,531 1,068,531
Vanguard Group Inc [2025-06-30] SOLE 0 622,264
Renaissance Technologies LLC [2025-06-30] SOLE 448,790 448,790
Dimensional Fund Advisors LP [2025-06-30] SOLE 265,537 293,477
BlackRock, Inc. [2025-06-30] SOLE 165,319 165,319
Geode Capital Management LLC [2025-06-30] DFND 162,066 162,066
Bridgeway Capital Management LLC [2025-06-30] SOLE 127,535 127,535
Teton Advisors, Inc. [2025-06-30] SOLE 112,000 112,000
RBF Capital, LLC [2025-06-30] SOLE 90,950 90,950
State Street Corp [2025-06-30] DFND 74,216 74,216
Acadian Asset Management LLC [2025-06-30] DFND 56,991 56,991
Susquehanna International Group LLP [2025-06-30] OTR 27,807 55,107
Dimensional Fund Advisors LP [2025-06-30] DFND 0 44,367
UBS Group AG [2025-06-30] DFND 24,992 40,992
GSA Capital Partners LLP [2025-06-30] SOLE 35,048 35,048
Goldman Sachs Group Inc [2025-06-30] DFND 27,186 27,186
Hunter Associates Investment Management LLC [2025-06-30] SOLE 0 25,000
Central Pacific Bank - Trust Division [2025-06-30] DFND 0 22,401
Price T Rowe Associates Inc /MD/ [2025-06-30] DFND 21,600 21,600
Northern Trust Corp [2025-06-30] DFND 21,598 21,598
Bailard Inc [2025-06-30] SOLE 19,934 19,934
Group One Trading LLC [2025-06-30] SOLE 14,397 14,397
Wealth Enhancement Advisory Services LLC [2025-06-30] SOLE 0 11,154
Two Sigma Advisers LP [2025-06-30] SOLE 9,400 10,200
Jane Street Group LLC [2025-06-30] DFND 10,088 10,088
Vanguard Group Inc [2025-06-30] DFND 0 7,419
Morgan Stanley [2025-06-30] DFND 893 6,243
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