AMPCO-PITTSBURGH CORP AP

US Industrials Pumps & Pumping Equipment
$7.35
-11.1%
52w: $1.85 – $12.20

Latest 13F among current holders filed 19 days ago (Jun 16, 2026)

Price — last 12 months

research preview data
1.857.0312.20
Jun 20, 2025 Jul 2, 2026
Institutional holders
63
+20 QoQ
13F value
$69.0M
+54.4% QoQ
Smart-money holders
3
signal tier ≥ 2
New smart buyers
3
Q1 2026
Options barometer
3.4×
$544K calls / $161K puts

Institutional value by quarter

$37.3M
Q1 2024
$6.8M
Q2 2024
$16.7M
Q3 2024
$17.4M
Q4 2024
$18.2M
Q1 2025
$25.3M
Q2 2025
$19.0M
Q3 2025
$44.7M
Q4 2025
$69.0M
Q1 2026

Number of holders

35
Q1 2024
43
Q2 2024
33
Q3 2024
38
Q4 2024
39
Q1 2025
40
Q2 2025
36
Q3 2025
43
Q4 2025
63
Q1 2026

Who owns AP?

Q1 2026 filings
FundTypeSharesValue% of fundChange
GAMCO INVESTORS, INC. ET AL Other2.5M$16.7M0.2%+0.9%
GABELLI FUNDS LLC Diversified mechanical1.4M$9.4M0.1%-0.3%
AMERIPRISE FINANCIAL INC Bank broker1.2M$7.9M0.0%+0.9%
WELLS FARGO & COMPANY/MN Bank broker656.0K$4.4M0.0%+65600000.0%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical600.1K$4.0M0.0%
RENAISSANCE TECHNOLOGIES LLC Quant stat arb423.2K$2.8M0.0%-8.3%
DIMENSIONAL FUND ADVISORS LP Quant stat arb355.4K$2.4M0.0%+6.1%
Huntleigh Advisors, Inc. Other230.5K$1.5M0.3%New
AMERICAN CENTURY COMPANIES INC Diversified mechanical218.9K$1.5M0.0%New
Meros Investment Management, LP ★2Fundamental diversified214.8K$1.4M0.6%New
BlackRock, Inc. Index provider203.1K$1.4M0.0%+21.3%
SEI INVESTMENTS CO Diversified mechanical184.3K$1.2M0.0%+104.1%
JANE STREET GROUP, LLC Market maker168.3K$1.1M0.0%+563.4%
MARSHALL WACE, LLP Quant stat arb161.3K$1.1M0.0%-22.6%
MILLENNIUM MANAGEMENT LLC Multistrat pod160.4K$1.1M0.0%New
BRIDGEWAY CAPITAL MANAGEMENT, LLC Diversified mechanical154.4K$1.0M0.0%+43.6%
GEODE CAPITAL MANAGEMENT, LLC Index provider135.1K$909K0.0%-5.0%
Teton Advisors, LLC Other130.0K$874K0.6%Held
O'SHAUGHNESSY ASSET MANAGEMENT, LLC Diversified mechanical122.4K$823K0.0%New
RITHOLTZ WEALTH MANAGEMENT Wealth advisor118.8K$798K0.0%New
Informed Momentum Co LLC Quant stat arb115.8K$778K0.1%-22.0%
ACADIAN ASSET MANAGEMENT LLC Quant stat arb83.6K$559K0.0%+27.6%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical72.8K$489K0.0%
RBF Capital, LLC Other60.0K$403K0.0%-50.0%
STATE STREET CORP Index provider59.4K$399K0.0%-25.8%
XTX Topco Ltd Market maker48.6K$326K0.0%New
Empowered Funds, LLC Diversified mechanical46.9K$315K0.0%New
UBS Group AG Bank broker43.7K$294K0.0%+172.9%
GOLDMAN SACHS GROUP INC Bank broker40.7K$274K0.0%+44.2%
ALGERT GLOBAL LLC Diversified mechanical28.9K$194K0.0%+130.2%
NORTHERN TRUST CORP Index provider28.4K$191K0.0%Held
Hudson Bay Capital Management LP Multistrat pod27.1K$182K0.0%New
SUSQUEHANNA INTERNATIONAL GROUP, LLP Market maker26.6K$179K0.0%-36.0%
Central Pacific Bank - Trust Division Other22.4K$151K0.0%Held
BANK OF AMERICA CORP /DE/ Bank broker20.3K$136K0.0%+815.6%
SIMPLEX TRADING, LLC Market maker20.2K$135K0.0%+166.2%
OMERS ADMINISTRATION Corp Other19.3K$130K0.0%New
Brevan Howard Capital Management LP Diversified mechanical18.7K$126K0.0%New
GSA CAPITAL PARTNERS LLP Diversified mechanical18.7K$125K0.0%+1.0%
HRT FINANCIAL LP Diversified mechanical18.6K$125K0.0%+27.7%
Janney Montgomery Scott LLC Diversified mechanical17.5K$118K0.0%New
Palumbo Wealth Management LLC Other15.2K$102K0.0%New
RAFFLES ASSOCIATES LP ★3Fundamental concentrated15.0K$101K0.1%New
CITADEL ADVISORS LLC Multistrat pod14.4K$97K0.0%+4.1%
D'Orazio & Associates, Inc. Wealth advisor11.1K$75K0.0%New
DUDLEY CAPITAL MANAGEMENT, LLC ★2Fundamental diversified11.0K$74K0.0%New
Hodges Capital Management Inc. Other10.9K$73K0.0%New
Schonfeld Strategic Advisors LLC Multistrat pod10.3K$69K0.0%New
MORGAN STANLEY Bank broker9.6K$64K0.0%+39.4%
Vanguard Global Advisers, LLC Diversified mechanical7.4K$50K0.0%

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