Who Owns AMPCO-PITTSBURGH CORP (AP)? -- Institutional Holders (2026-03-31)

68 institutions reported holding $69.7M of AMPCO-PITTSBURGH CORP (AP) in SEC 13F filings for 2026-03-31. Largest institutional holders: GAMCO INVESTORS, INC. ET AL ($16.7M), GABELLI FUNDS LLC ($9.4M), AMERIPRISE FINANCIAL INC ($7.9M), WELLS FARGO & COMPANY/MN ($4.4M), VANGUARD CAPITAL MANAGEMENT LLC ($4.0M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1GAMCO INVESTORS, INC. ET AL$16.7M2.5MAdded
2GABELLI FUNDS LLC$9.4M1.4MTrimmed
3AMERIPRISE FINANCIAL INC$7.9M1.2MAdded
4WELLS FARGO & COMPANY/MN$4.4M656,001Added
5VANGUARD CAPITAL MANAGEMENT LLC$4.0M600,114New
6RENAISSANCE TECHNOLOGIES LLC$2.8M423,219Trimmed
7DIMENSIONAL FUND ADVISORS LP$2.4M355,427Added
8Huntleigh Advisors, Inc.$1.5M230,478New
9AMERICAN CENTURY COMPANIES INC$1.5M218,860New
10Meros Investment Management, LP$1.4M214,850New
11BlackRock, Inc.$1.4M203,133Added
12SEI INVESTMENTS CO$1.2M184,336Added
13JANE STREET GROUP, LLC$1.1M168,301Added
14MARSHALL WACE, LLP$1.1M161,291Trimmed
15MILLENNIUM MANAGEMENT LLC$1.1M160,408New
16BRIDGEWAY CAPITAL MANAGEMENT, LLC$1.0M154,410Added
17GEODE CAPITAL MANAGEMENT, LLC$908,530135,063Trimmed
18Teton Advisors, LLC$873,600130,000Hold
19O'SHAUGHNESSY ASSET MANAGEMENT, LLC$822,649122,418New
20RITHOLTZ WEALTH MANAGEMENT$798,195118,779New
21Informed Momentum Co LLC$778,129115,793Trimmed
22SUSQUEHANNA INTERNATIONAL GROUP, LLP$721,049107,299Added
23ACADIAN ASSET MANAGEMENT LLC$559,00083,592Added
24VANGUARD FIDUCIARY TRUST CO$489,30372,813New
25RBF Capital, LLC$403,20060,000Hold

Source: SEC Form 13F filings · as of 2026-03-31