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Who owns Ampco Pittsburgh (AP) stock

81 funds reported Ampco Pittsburgh (AP) shares in their latest 13F filings, worth $102M in all. The largest holder is Gamco Investors, Inc. et Al ($21.3M). Last quarter 48 funds added to their stakes and 26 cut them.

Largest holders of AP (13F)Largest holders of AP (13F)Gamco Investors, Inc. et Al$21.3MGabelli Funds LLC$12.0MBlackRock$8.5MAmeriprise Financial$7.8MWells Fargo$5.7MVanguard Capital Management LLC$5.2MRenaissance Technologies LLC$3.6MVanguard Group$3.5MGeode Capital Management, LLC$3.0MAmerican Century Companies$2.8M

Largest holders (13F)

FundSharesValueChangeQuarter
Gamco Investors, Inc. et Al2,459,829$21.3Mdecrease2026-06-30
Gabelli Funds LLC1,391,800$12.0Mdecrease2026-06-30
BlackRock982,611$8.5Mincrease2026-06-30
Ameriprise Financial905,679$7.8Mdecrease2026-06-30
Wells Fargo660,945$5.7Mincrease2026-06-30
Vanguard Capital Management LLC604,091$5.2Mincrease2026-06-30
Renaissance Technologies LLC414,419$3.6Mdecrease2026-06-30
Vanguard Group654,635$3.5Mdecrease2025-12-31
Geode Capital Management, LLC342,836$3.0Mincrease2026-06-30
American Century Companies328,848$2.8Mincrease2026-06-30
Dimensional Fund Advisors LP295,444$2.6Mdecrease2026-06-30
Meros Investment Management, LP239,910$2.1Mincrease2026-06-30
Susquehanna International Group, LLP195,321$1.7Mincrease2026-06-30
Acadian Asset Management LLC191,015$1.6Mincrease2026-06-30
O'Shaughnessy Asset Management, LLC174,312$1.5Mincrease2026-06-30

Ampco Pittsburgh's latest quarter

Ampco Pittsburgh, Q2 2026: revenue $103M (-9% year over year), operating margin 4.9%, net earnings $1.5M, operating cash flow $286K. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most AP stock?

By the latest 13F filings: Gamco Investors, Inc. et Al ($21.3M); Gabelli Funds LLC ($12.0M); BlackRock ($8.5M); Ameriprise Financial ($7.8M); Wells Fargo ($5.7M).

What is the short interest in AP?

721,589 shares were sold short at the 2026-10-15 settlement, -14.03% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.