Who Owns AMPCO-PITTSBURG CORP (AP)? -- Institutional Holders (2026-06-30)
92 institutions reported holding $101.6M of AMPCO-PITTSBURG CORP (AP) in SEC 13F filings for 2026-06-30. Largest institutional holders: GAMCO INVESTORS, INC. ET AL ($21.3M), GABELLI FUNDS LLC ($12.0M), BlackRock, Inc. ($8.5M), AMERIPRISE FINANCIAL INC ($7.8M), VANGUARD GROUP INC ($7.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | GAMCO INVESTORS, INC. ET AL | $21.3M | 2.5M | Trimmed |
| 2 | GABELLI FUNDS LLC | $12.0M | 1.4M | Trimmed |
| 3 | BlackRock, Inc. | $8.5M | 982,611 | Added |
| 4 | AMERIPRISE FINANCIAL INC | $7.8M | 905,679 | Trimmed |
| 5 | VANGUARD GROUP INC | $7.0M | 813,365 | Added |
| 6 | WELLS FARGO & COMPANY/MN | $5.7M | 660,945 | Added |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $3.6M | 414,419 | Trimmed |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $3.0M | 342,836 | Added |
| 9 | AMERICAN CENTURY COMPANIES INC | $2.8M | 328,848 | Added |
| 10 | DIMENSIONAL FUND ADVISORS LP | $2.6M | 295,444 | Trimmed |
| 11 | Meros Investment Management, LP | $2.1M | 239,910 | Added |
| 12 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.1M | 238,321 | Added |
| 13 | JANE STREET GROUP, LLC | $1.8M | 208,971 | Added |
| 14 | ACADIAN ASSET MANAGEMENT LLC | $1.6M | 191,015 | Added |
| 15 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $1.5M | 174,312 | Added |
| 16 | STATE STREET CORP | $1.4M | 159,316 | Added |
| 17 | Huntleigh Advisors, Inc. | $1.2M | 141,172 | Trimmed |
| 18 | RITHOLTZ WEALTH MANAGEMENT | $1.1M | 132,943 | Added |
| 19 | Teton Advisors, LLC | $1.1M | 130,000 | Hold |
| 20 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $1.1M | 125,386 | Trimmed |
| 21 | NORTHERN TRUST CORP | $1.1M | 121,477 | Added |
| 22 | GOLDMAN SACHS GROUP INC | $871,263 | 100,724 | Added |
| 23 | Informed Momentum Co LLC | $778,958 | 90,053 | Trimmed |
| 24 | Caption Management, LLC | $778,500 | 90,000 | New |
| 25 | MARSHALL WACE, LLP | $695,123 | 80,361 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30