Latest Period
Q1 2026
Security Snapshot
AMPCO PITTSBURGH CORP - Common (AP) Institutional Ownership
CUSIP: 032037103
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
63
Shares (Excl. Options)
10,263,284
Price
$6.72
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- Security type / class
- Equity / Common
- Symbol
- AP on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 10,263,284
- Total 13F value
- $68,967,564
- Portfolio coverage rank
- 0%
- Share change
- +1,919,346
- Value change
- +$13,421,656
- Number of holders
- 63
- Shares outstanding
- 20,350,674
- SEC-reported price per share
- $10.58
- Insider filing price
- $10.58
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- AP - AMPCO PITTSBURGH CORP - Common is tracked under CUSIP 032037103.
- 63 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 43 to 63 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $44,334,104 to $68,967,564.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 63 institutions filings for Q1 2026.
Security key
032037103
Latest holder period
Q1 2026
13F holders
63
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
AP full holder history
AMPCO PITTSBURGH CORP SEC filings
AMPCO PITTSBURGH CORP company facts
AMPCO PITTSBURGH CORP insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 032037103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
AP
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Louis Berkman Investment CO | 15% | $7,068,810 | 3,127,792 | The Louis Berkman Investment Company | 17 Nov 2025 | |||
| Galloway Capital Partners, LLC | 5.2% | $2,830,616 | 1,056,200 | Galloway Capital Partners, LLC | 17 Dec 2025 | |||
| Ancora Alternatives LLC | 4.2% | $1,962,507 | 857,065 | DiSanto Fredrick D. | 13 Nov 2025 |
As of 31 Mar 2026, 63 institutional investors reported holding 10,263,284 shares of AMPCO PITTSBURGH CORP - Common (AP). This represents 50% of the company’s total 20,350,674 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
48%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL | 12% | 2,491,957 | +0.86% | 0.16% | $16,745,951 |
| GABELLI FUNDS LLC | 6.9% | 1,399,800 | -0.32% | 0.06% | $9,406,656 |
| AMERIPRISE FINANCIAL INC | 5.8% | 1,173,024 | +0.91% | 0% | $7,882,720 |
| WELLS FARGO & COMPANY/MN | 3.2% | 656,001 | +65600000% | 0% | $4,408,324 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.9% | 600,114 | 0% | 0% | $4,032,766 |
| RENAISSANCE TECHNOLOGIES LLC | 2.1% | 423,219 | -8.3% | 0% | $2,844,032 |
| DIMENSIONAL FUND ADVISORS LP | 1.7% | 355,427 | +6.1% | 0% | $2,388,326 |
| Huntleigh Advisors, Inc. | 1.1% | 230,478 | 0.26% | $1,548,816 | |
| AMERICAN CENTURY COMPANIES INC | 1.1% | 218,860 | 0% | $1,470,739 | |
| Meros Investment Management, LP | 1.1% | 214,850 | 0.63% | $1,443,792 | |
| BlackRock, Inc. | 1% | 203,133 | +21% | 0% | $1,365,054 |
| SEI INVESTMENTS CO | 0.91% | 184,336 | +104% | 0% | $1,238,738 |
| JANE STREET GROUP, LLC | 0.83% | 168,301 | +563% | 0% | $1,130,983 |
| MARSHALL WACE, LLP | 0.79% | 161,291 | -23% | 0% | $1,083,875 |
| MILLENNIUM MANAGEMENT LLC | 0.79% | 160,408 | 0% | $1,077,942 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.76% | 154,410 | +44% | 0.02% | $1,037,635 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.66% | 135,063 | -5% | 0% | $908,530 |
| Teton Advisors, LLC | 0.64% | 130,000 | 0% | 0.61% | $873,600 |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 0.6% | 122,418 | 0% | $822,649 | |
| RITHOLTZ WEALTH MANAGEMENT | 0.58% | 118,779 | 0.01% | $798,195 | |
| Informed Momentum Co LLC | 0.57% | 115,793 | -22% | 0.09% | $778,129 |
| ACADIAN ASSET MANAGEMENT LLC | 0.41% | 83,592 | +28% | 0% | $559,000 |
| VANGUARD FIDUCIARY TRUST CO | 0.36% | 72,813 | 0% | 0% | $489,303 |
| RBF Capital, LLC | 0.29% | 60,000 | 0% | 0.02% | $403,200 |
| STATE STREET CORP | 0.29% | 59,416 | -26% | 0% | $399,276 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 10,263,284 | $68,967,564 | +$13,421,656 | $6.72 | 63 |
| 2025 Q4 | 8,318,227 | $44,334,104 | +$168,387 | $5.33 | 43 |
| 2025 Q3 | 8,293,394 | $18,989,068 | -$678,475 | $2.29 | 35 |
| 2025 Q2 | 8,557,660 | $25,327,759 | +$573,143 | $2.96 | 39 |
| 2025 Q1 | 8,365,856 | $18,151,623 | +$70,725 | $2.17 | 37 |
| 2024 Q4 | 8,337,827 | $17,384,113 | -$20,055 | $2.09 | 36 |
| 2024 Q3 | 8,348,471 | $16,658,491 | -$667,851 | $2.00 | 31 |
| 2024 Q2 | 8,775,556 | $6,755,509 | -$172,758 | $0.77 | 40 |
| 2024 Q1 | 8,906,097 | $19,325,379 | +$283,049 | $2.17 | 33 |
| 2023 Q4 | 8,754,649 | $23,899,420 | -$591,946 | $2.73 | 33 |
| 2023 Q3 | 8,981,423 | $23,619,830 | -$13,530 | $2.63 | 37 |
| 2023 Q2 | 8,980,181 | $28,550,505 | -$229,713 | $3.18 | 35 |
| 2023 Q1 | 9,068,305 | $22,216,278 | -$58,210 | $2.45 | 38 |
| 2022 Q4 | 9,090,591 | $22,813,692 | +$2,233,606 | $2.51 | 35 |
| 2022 Q3 | 9,030,598 | $33,229,000 | +$484,751 | $3.68 | 31 |
| 2022 Q2 | 8,898,865 | $34,439,000 | -$525,768 | $3.87 | 31 |
| 2022 Q1 | 8,946,579 | $56,455,000 | +$3,616,194 | $6.31 | 31 |
| 2021 Q4 | 8,357,621 | $41,790,000 | +$1,863,933 | $5.00 | 32 |
| 2021 Q3 | 7,828,404 | $36,792,000 | -$1,267,423 | $4.70 | 36 |
| 2021 Q2 | 8,071,068 | $48,991,000 | -$42,490,162 | $6.07 | 36 |
| 2021 Q1 | 8,242,372 | $96,837,000 | +$29,224,529 | $6.75 | 37 |
| 2020 Q4 | 7,427,401 | $40,707,016 | -$1,170,794 | $5.48 | 35 |
| 2020 Q3 | 7,788,268 | $25,623,010 | +$7,867,793 | $3.29 | 29 |
| 2020 Q2 | 5,397,563 | $16,571,009 | -$1,233,249 | $3.07 | 30 |
| 2020 Q1 | 5,801,927 | $14,507,008 | -$355,764 | $2.50 | 27 |