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Buy Day today: Good (62) Broad market participation · no major macro event
AP

Ampco-Pittsburgh Corporation

Industrials · Metal Fabrication

8.50$ +4.8% vs. previous close Closing price · As of: Sep 17, 2026

Ownership

Ownership Structure

Who owns Ampco-Pittsburgh Corporation (AP)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 70.3% of the shares are freely tradable; institutional investors hold 57.0%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 57.0%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 22.0%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 70.3%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 6.9%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 21Mio.

Largest Shareholders

Institutions

Institutions AP
Name Stake (%) Shares Change (%) Date
Gamco Investors, Inc. Et Al 11.91 2,459,829 -1.3 06/30/2026
Gabelli Funds LLC 6.74 1,391,800 -0.6 06/30/2026
Ameriprise Financial Inc 5.68 1,173,024 +0.9 03/31/2026
Wells Fargo & Co 3.18 656,001 +65,600,000.0 03/31/2026
Vanguard Capital Management, LLC 2.90 600,114 +0.0 03/31/2026
Renaissance Technologies Corp 2.05 423,219 -8.3 03/31/2026

Funds

Funds AP
Name Stake (%) Shares Change (%) Date
1290 VT GAMCO Small Company Value IB 4.82 995,000 +0.0 07/31/2026
Columbia Small Cap Value Discv A 3.07 633,493 +3.4 07/31/2026
Columbia Small Cap Value Discovery Fund 2.97 612,593 -29.8 06/30/2026
Vanguard MStar Total Stk Mkt Idx Invest 2.22 458,240 +0.0 07/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Insider holdings

Insider holdings AP
Person Role Shares Value As of Type
McNair Darrell L Director 65,686 558,331 $ Aug 27, 2026 direct

Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.

Insiders

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
Aug 27, 2026 McNair Darrell L Director Other 5,600 0.00 –

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →

Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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