Ampco-Pittsburgh Corporation (AP)

Accumulating

Strong institutional accumulation: ownership increased +9.87% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

50.40%

QoQ Change

+9.87%

Total Value

$67.7B

Shares Outstanding

20.3M

Crowding AnalysisCrowded

Holders61of 5,944

Avg: 68

Uncrowded83th percentileCrowded

Institutional Activity

Buy/Sell Ratio3.5x

66th percentile

49 buying14 selling

+26

New

-6

Closed

+2.0M

Net shares

Holding Period Distribution

estimate

Median: 2 QAvg: 2.6 QHolders: 61

Ownership Concentration

Top 5: 61.7%Top 10: 75.8%

GAMCO INVESTORS, INC. ET AL24.3%

GABELLI FUNDS13.7%

AMERIPRISE FINANCIAL11.4%

WELLS FARGO & COMPANY/MN6.4%

VANGUARD CAPITAL MANAGEMENT5.9%

Others (56)38.3%

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Conviction-Weighted Ownership

Median weight: 0.00%Avg weight: 0.11%Max: 0.63%High conviction (>1%): 0

GAMCO INVESTORS, INC. ET AL

GABELLI FUNDS

AMERIPRISE FINANCIAL

WELLS FARGO & COMPANY/MN

VANGUARD CAPITAL MANAGEMENT

RENAISSANCE TECHNOLOGIES

DIMENSIONAL FUND ADVISORS

Huntleigh Advisors,

AMERICAN CENTURY COMPANIES

Meros Investment Management,

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWWELLS FARGO & COMPANY/MN$4M656K shr

NEWVANGUARD CAPITAL MANAGEMENT$4M600K shr

NEWHuntleigh Advisors$2M230K shr

NEWAMERICAN CENTURY COMPANIES$1M219K shr

NEWMeros Investment Management$1M215K shr

SOLDAncora Advisors$3M597K shr

NEWMARSHALL WACE, LLP$1M208K shr

NEWInformed Momentum Co$791K148K shr

BOUGHTGAMCO INVESTORS, INC. ET AL$462K87K shr

BOUGHTGABELLI FUNDS$125K24K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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