Ampco Pittsburgh AP Institutional Ownership

Ownership Summary

Ampco Pittsburgh Corp (NYSE:AP) has 62 institutional investors with active 13F positions as of March 2026.

• They owned 51.0% of outstanding stock in March 2026, up from 41.7% the prior quarter.
• Their total shares held in AP increased 39.97% from the prior quarter, while the number of investors in Ampco Pittsburgh increased 58.97% year over year.
• Among the 62 funds, 46 bought more Ampco Pittsburgh shares, 10 sold down, and 6 held their ground.
• The aggregate institutional position in Ampco Pittsburgh amounted to 10.32Mn shares as of March 2026, up by 2.95Mn shares quarter on quarter, and up 1.96Mn shares year over year.
• GAMCO INVESTORS, INC. ET AL leads ownership in AP with 2.49Mn shares as of March 31, 2026, equal to 12.31% of outstanding shares.
• Leading buyers of Ampco Pittsburgh shares for the quarter ending March 2026 were Wells Fargo & Company/Mn (656.0K), VANGUARD CAPITAL MANAGEMENT LLC (600.11K), Huntleigh Advisors, Inc. (230.48K), AMERICAN CENTURY COMPANIES INC (218.86K), Meros Investment Management, LP (214.85K).
• The largest sellers of Ampco Pittsburgh for the quarter ending March 2026 were MARSHALL WACE, LLP (47.05K), RENAISSANCE TECHNOLOGIES LLC (38.08K), Informed Momentum Co LLC (32.6K), State Street Corp (20.7K), Goldman Sachs Group Inc (15.77K).
• Ampco Pittsburgh's 10 largest shareholders as of March 2026 include GAMCO INVESTORS, INC. ET AL (2.49Mn), GABELLI FUNDS LLC (1.4Mn), Ameriprise Financial Inc (1.17Mn), Wells Fargo & Company/Mn (656.0K), VANGUARD CAPITAL MANAGEMENT LLC (600.11K), RENAISSANCE TECHNOLOGIES LLC (423.22K), DIMENSIONAL FUND ADVISORS LP (355.43K), Huntleigh Advisors, Inc. (230.48K), AMERICAN CENTURY COMPANIES INC (218.86K), Meros Investment Management, LP (214.85K) per Business Quant data.