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$AP
$7.66 -$0.19 (2.42%) Close

Ownership

13F as of Q2 2026 · 20.7M shares outstanding

Who owns AP?

By type of holder
Institutions 54.7% Insiders 30.4% Everyone else 14.9%
Concentration Top 10 holders own 72.8%
The Louis Berkman Investment Company 15.1% · Gamco Investors, Inc. Et Al 11.9%
Institutional ownership
54.7%
+5.0 pts vs last qtr
Institutional holders
84
+21 vs last qtr
Net shares bought
+1.0M
by institutions in Q2 2026
New / sold out
31 / 10
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • BlackRock, Inc. +779.5K
  • Geode Capital Management, LLC +207.8K

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Biggest sellers in Q2 2026
  • Ameriprise Financial Inc −267.3K
  • Millennium Management LLC −140.6K

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Ampco-Pittsburgh Corp in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2016–FY2025
+68.5%
+5.97% a year
Each share's claim on the business
−40.7%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
— vs $18.7M
over 10 fiscal years
Diluted shares, split-adjusted
11.6M16.0M20.3M2016: 12.0M shares'162017: 12.3M shares'172018: 12.4M shares'182019: 12.6M shares'192020: 14.6M shares'202021: 19.0M shares'212022: 19.4M shares'222023: 19.6M shares'232024: 19.9M shares'242025: 20.1M shares'25
Buybacks Stock-based comp
$0$1.2M$2.4M2016 buybacks: $02016 stock comp: $2.3M'162017 buybacks: $02017 stock comp: $2.4M'172018 buybacks: $02018 stock comp: $2.1M'182019 buybacks: $02019 stock comp: $1.4M'192020 buybacks: $02020 stock comp: $1.3M'202021 buybacks: $02021 stock comp: $2.4M'212022 buybacks: $02022 stock comp: $1.7M'222023 buybacks: $02023 stock comp: $2.1M'232024 buybacks: $02024 stock comp: $1.5M'242025 buybacks: $02025 stock comp: $1.4M'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years79% 3–5 years0% 1–3 years1% Under 1 year20%
Quarterly turnover
16.3%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting AP on Form 13F
GI
Gamco Investors, Inc. Et Al
13D · 0.0%
Shares
2.5M
% of company
11.91%
Change vs last qtr
−32.1K (−1.3%)
Held since
≤2021
GF
Gabelli Funds LLC
13D · 6.8%
Shares
1.4M
% of company
6.74%
Change vs last qtr
−8.0K (−0.6%)
Held since
≤2021

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Institutional Funds

Mutual funds and ETFs reporting AP on Form N-PORT; together they hold 27.4% of the company
1V
1290 VT GAMCO Small Company Value Portfolio
EQ Advisors Trust
Position value
$8.61M
% of company
4.82%
% of the fund
0.19%
As of
June 30, 2026
CS
Columbia Small Cap Value Discovery Fund
Columbia Funds Series Trust I
Position value
$5.09M
% of company
3.07%
% of the fund
0.20%
As of
July 31, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
LB
The Louis Berkman Investment Company
5%+ holder13D · 15.4%
Shares
3.1M
% of company
15.14%
Change vs last qtr
—
Held since
—
GA
GAMCO Asset Management Inc.
5%+ holder13D · 12.0%
Shares
2.4M
% of company
11.66%
Change vs last qtr
—
Held since
—

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