AMPCO PITTSBURGH CORP (AP) research

AMPCO PITTSBURGH CORP

Sector: Industrials
Industry: Metal Fabrication
Last price: $9.65
As of: 2026-10-05

Kresmion compiles this page from AP's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.

AMPCO PITTSBURGH CORP (AP): 3 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-09-23.

As of 2026-09-23, the latest of: this ticker's 13F holdings load, its latest SEC filing date, and its latest signal other than 13F-derived signals. Source: SEC EDGAR filings for AP. Method and limitations.

COMPANY DOSSIER

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Active signals for AP

highINSTITUTIONAL_SURGE2026-08-16
CITADEL ADVISORS LLC added +271% to AP (2026Q2)
All 2026-08-16 signals →
highINSTITUTIONAL_EXIT2026-08-16
MILLENNIUM MANAGEMENT LLC cut 88% of AP (2026Q2)
All 2026-08-16 signals →
mediumNEW_POSITION2026-07-24
MILLENNIUM MANAGEMENT LLC new position in AP
All 2026-07-24 signals →

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Largest reported share positions in AP (2026Q2)

Manager / security	Market value	% portfolio	QoQ
RENAISSANCE TECHNOLOGIES LLCCUSIP 032037103 · 2026Q2	$3.6M	0.00%	,
CITADEL ADVISORS LLCCUSIP 032037103 · 2026Q2	$445K	0.00%	,
MILLENNIUM MANAGEMENT LLCCUSIP 032037103 · 2026Q2	$171K	0.00%	,

Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.

Recent SEC filings, AP

8-K2026-09-23
SEC EDGAR ↗
10-Q2026-08-11
SEC EDGAR ↗
8-K2026-08-11
SEC EDGAR ↗
8-K2026-07-09
SEC EDGAR ↗
8-K2026-05-12
SEC EDGAR ↗
10-Q2026-05-12
SEC EDGAR ↗
8-K2026-05-12
SEC EDGAR ↗
8-K2026-03-16
SEC EDGAR ↗
10-K2026-03-16
SEC EDGAR ↗
8-K2025-12-11
SEC EDGAR ↗

AP against its peers

AP's operating margin of -13.1% ranks in the 45th percentile of 9 Metal Fabrication sub-industry peers, fiscal periods ending between 2025-12-31 and 2026-03-31.

Metric	AP	Peer median	Percentile	n
Revenue FY	416M USD	15.6M USD	75	9
Gross margin	n/a	25.9%	n/a	8
Operating margin	-13.1%	-3.6%	45	9
Net margin	-15.9%	-15.3%	45	9
Return on equity	-202.4%	-8.6%	15	9

Peers (9): MEC, LQMT, TPCS, RYZ, TRSG, GPGI, MTEN, HIHO, OLOX. Left out: IAALF (no annual filing), CMC (no annual filing). Fiscal periods ending between 2025-12-31 and 2026-03-31. Every figure is one full fiscal year read from one annual filing (AP: 10-K), reported in USD. Nothing is trailing twelve months and nothing is converted between currencies. Source: SEC EDGAR XBRL company facts (public domain); prices from Kresmion's daily equity market-data snapshot. Open the full comparison.

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