AMPCO-PITTSBURG CORP (AP) is held by 41 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is GAMCO INVESTORS, INC. ET AL as of Q1 2026.

Are institutions buying or selling AP?

In Q1 2026, 31 institutions opened or increased positions in AMPCO-PITTSBURG CORP while 10 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on AP?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for AMPCO-PITTSBURG CORP.

How many hedge funds hold AP?

41 institutional investors report holding AMPCO-PITTSBURG CORP (AP) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into AP?

As of Q1 2026, tracked institutions in AMPCO-PITTSBURG CORP show 31 buyers versus 10 sellers — net inflows.

AMPCO-PITTSBURG CORP

AP·032037103·US·Common Stock·Industrials - Metal Fabrication-Activist

Holders

Avg rating(9 Elite)

$60.4M

Total Value

76% (43)

Fund Consensus

31 buying - 10 selling

Smart Money Verdict

View all

Held by 41 funds

9 elite

Who's Trading

InsiderLSLyon SamuelSell $93KJun 25, 2026

InsiderLSLyon SamuelSell $6KJun 18, 2026

InsiderMBMcBrayer BrettBuy $30KMay 19, 2026

InsiderMBMcBrayer BrettBuy $50KMar 19, 2026

ActivistRLRUTABAGA CAPITAL MANAGEMENT LLC/MA0.0%Jan 22, 2026

ActivistGAGalloway Capital Partners, LLC5.2%Dec 19, 2025

InsiderMBMcBrayer BrettBuy $49KDec 1, 2025

ActivistLBThe Louis Berkman Investment Company15.4%Nov 26, 2025

InsiderMLMcNair Darrell LBuy $8KNov 19, 2025

InsiderLCLouis Berkman Investment COBuy $248KNov 17, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
GAMCO INVESTORS, INC. ET AL	Increased	2.5M(+0.9%)	$16.7M	0.2%	+135.04%	34
GABELLI FUNDS LLC	Decreased	1.4M(-0.3%)	$9.4M	0.1%	+156.93%	0
AMERIPRISE FINANCIAL INC	Increased	1.2M(+0.9%)	$7.9M	0.0%	+100.65%	28
WELLS FARGO & COMPANY/MN	Increased	656,001(+656.0Kx)	$4.4M	0.0%	-13.45%	43
VAVANGUARD CAPITAL MANAGEMENT LLC	New	600,114	$4M	0.0%	-13.45%	37
RENAISSANCE TECHNOLOGIES LLC	Decreased	423,219(-8.3%)	$2.8M	0.0%	+155.98%	0
DIMENSIONAL FUND ADVISORS LP	Increased	355,427(+6.1%)	$2.4M	0.0%	+174.90%	28
AMERICAN CENTURY COMPANIES INC	New	218,860	$1.5M	0.0%	-13.45%	35
BlackRock, Inc.	Increased	203,133(+21.3%)	$1.4M	0.0%	+126.05%	21
SEI INVESTMENTS CO	Increased	184,336(+104.1%)	$1.2M	0.0%	+6.95%	41
JANE STREET GROUP, LLC	Increased	168,301(+563.4%)	$1.1M	0.0%	-8.06%	41
MWMARSHALL WACE, LLP	Decreased	161,291(-22.6%)	$1.1M	0.0%	+41.70%	0
MILLENNIUM MANAGEMENT LLC	New	160,408	$1.1M	0.0%	-13.45%	35
GEODE CAPITAL MANAGEMENT, LLC	Decreased	135,063(-5.0%)	$908,530	0.0%	+151.55%	0
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	New	122,418	$822,649	0.0%	-13.45%	34
VFVANGUARD FIDUCIARY TRUST CO	New	72,813	$489,303	0.0%	-13.45%	33
STATE STREET CORP	Decreased	59,416(-25.8%)	$399,276	0.0%	+198.54%	0
XTX Topco Ltd	New	48,582	$326,471	0.0%	-13.45%	33
Empowered Funds, LLC	New	46,875	$315,000	0.0%	-13.45%	33
UBS Group AG	Increased	43,721(+172.9%)	$293,805	0.0%	+17.61%	26