# AMPCO-PITTSBURGH CORP EQUITY

AMPCO-PITTSBURGH CORP EQUITY is a security (CUSIP 032037103) tracked across SEC portfolio filings. 69 institutional managers reported $60.6M on Form 13F as of 2026-06-30; 11 registered fund positions totaling $16.9M via N-PORT as of 2026-04-30.

## Summary

- Issuer: AMPCO-PITTSBURGH CORP
- Class: EQUITY
- CUSIP: 032037103
- Asset category: EC
- 13F holders: 69
- 13F value: $60.6M
- 13F period: 2026-06-30
- N-PORT fund positions: 11
- N-PORT value: $16.9M
- N-PORT report: 2026-04-30

## Top institutional holders (Form 13F)

_Showing 15 of 69 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [GAMCO INVESTORS, INC. ET AL](https://search.stillhousedata.com/firm/104950) | GREENWICH, CT | $16.7M | 2,491,957 |
| [GABELLI FUNDS LLC](https://search.stillhousedata.com/firm/104949) | RYE, NY | $9.4M | 1,399,800 |
| WELLS FARGO & COMPANY/MN | SAN FRANCISCO, CA | $4.4M | 656,001 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $3.5M | 654,635 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $2.8M | 423,219 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $2.4M | 355,427 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $1.5M | 218,860 |
| [Meros Investment Management, LP](https://search.stillhousedata.com/firm/305152) | DALLAS, TX | $1.4M | 214,850 |
| BlackRock, Inc. | New York, NY | $1.4M | 203,133 |
| SEI INVESTMENTS CO | OAKS, PA | $1.2M | 184,336 |
| [Huntleigh Advisors, Inc.](https://search.stillhousedata.com/firm/113412) | ST. LOUIS, MO | $1.2M | 141,172 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $1.1M | 168,301 |
| [MARSHALL WACE, LLP](https://search.stillhousedata.com/firm/160885) | LONDON, X0 | $1.1M | 161,291 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $1.1M | 160,408 |
| [BRIDGEWAY CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/111441) | HOUSTON, TX | $1.0M | 154,410 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| Gabelli Equity Trust Inc | Gabelli Equity Trust Inc | $5.6M | 32.19% |
| Gabelli Dividend & Income Trust | Gabelli Dividend & Income Trust | $5.1M | 19.39% |
| [The Gabelli ABC Fund](https://search.stillhousedata.com/fund/S000001070) | Gabelli Investor Funds Inc | $2.7M | 64.59% |
| Gabelli Global Small & Mid Cap Value Trust | Gabelli Global Small & Mid Cap Value Trust | $1.3M | 105.74% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $849K | 0.10% |
| [The Gabelli Asset Fund](https://search.stillhousedata.com/fund/S000001087) | Gabelli Asset Fund | $538K | 3.43% |
| [The Gabelli Value 25 Fund Inc.](https://search.stillhousedata.com/fund/S000001076) | Gabelli Value 25 Fund Inc | $524K | 21.91% |
| [Gabelli Capital Asset Fund](https://search.stillhousedata.com/fund/S000001060) | Gabelli Capital Series Funds Inc | $98K | 15.96% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $56K | 0.02% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $49K | 0.01% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $27K | 0.04% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/032037103.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.