Ampco-Pittsburgh
AP • NYSE
Ampco-Pittsburgh is a manufacturing - metal fabrication company in the industrials sector on NYSE, led by J. Brett McBrayer, with a market cap of $73.2M. As of Q3 2025, 40% of shares are held by 35 institutional investors, with GAMCO INVESTORS, INC. ET AL as the largest holder at 11.74%.
CEOJ. Brett McBrayer
Market Cap$73.2M
Manufacturing - Metal Fabrication
Industrials
Employees1.7K
Websiteampcopgh.com
Country
United States of America
Overview
Overview of institutional ownership in AP as of Q3 2025 with a market cap of $46.5M
All Institutions
- Institutions
- 35
- Value Held
- $18.7M
- Shares Held
- 8.2M
- Avg Position
- $535.5K
- Median Position
- $42.3K
Hedge Funds
- Hedge Funds
- 3
- Value Held
- $1.2M
- Shares Held
- 530.5K
- Avg Position
- $404.9K
- Median Position
- $71.9K
Ownership Breakdown
Based on market cap of $46.5M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in AP as of Q3 2025
| Institution | Position Value |
|---|---|
G GAMCO INVESTORS, INC. ET AL Institution | $5.5M 0.05% of portfolio |
 GABELLI FUNDS LLC Long Only Manager | $3.2M 0.02% of portfolio |
 AMERIPRISE FINANCIAL INC Institution | $2.6M 0.00% of portfolio |
 Ancora Advisors, LLC RIA/Wealth | $2.2M 0.04% of portfolio |
 VANGUARD GROUP INC Institution | $1.5M 0.00% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $1.1M 0.00% of portfolio |
 DIMENSIONAL FUND ADVISORS LP Long Only Manager | $769.8K 0.00% of portfolio |
 BlackRock, Inc. Institution | $387.6K 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $325.5K 0.00% of portfolio |
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager | $292.1K 0.01% of portfolio |
Net Capital Flow
Institutional buying and selling activity for AP in Q3 2025
- Traded
- −$644.9K
- Buyers
- 12
- Sellers
- 19
- Total Bought
- +$291.3K
- Total Sold
- −$936.2K
- Avg Position
- $446.3K
Biggest Buyers
| Institution | Net Bought |
|---|---|
VANGUARD GROUP INC Institution | +$87.1K +38.0K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$72.9K +31.8K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$71.9K +31.4K shares |
GABELLI FUNDS LLC Long Only Manager | +$29.8K +13.0K shares |
 GOLDMAN SACHS GROUP INC Institution | +$10.7K +4.7K shares |
BlackRock, Inc. Institution | +$9.0K +3.9K shares |
S SIMPLEX TRADING, LLC Institution | +$8.8K +3.8K shares |
 Goss Wealth Management LLC RIA/Wealth | +$513.1 +224.0 shares |
G GROUP ONE TRADING, L.P. Institution | +$458.0 +-14.2K shares |
 BARCLAYS PLC Institution | +$227.0 +99.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
Ancora Advisors, LLC RIA/Wealth | −$268.4K −117.2K shares |
G GAMCO INVESTORS, INC. ET AL Institution | −$145.0K −63.3K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | −$82.3K −27.8K shares |
 Hunter Associates inc. RIA/Wealth | −$74.0K −25.0K shares |
 PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager | −$63.9K −21.6K shares |
 BAILARD, INC. RIA/Wealth | −$59.0K −19.9K shares |
 UBS Group AG Institution | −$57.0K −24.9K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | −$45.7K −20.0K shares |
 GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | −$37.9K −16.6K shares |
 TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy | −$30.2K −10.2K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited AP in Q3 2025
- New Positions
- 0
- New Value
- -
- Exited Positions
- 7
- Exited Value
- $356.7K
New Positions
| Institution | Position Value |
|---|---|
| No new positions found | |
Exited Positions
| Institution | Previous Position |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $82.3K 27.8K shares |
Hunter Associates inc. RIA/Wealth | $74.0K 25.0K shares |
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager | $63.9K 21.6K shares |
BAILARD, INC. RIA/Wealth | $59.0K 19.9K shares |
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy | $30.2K 10.2K shares |
J JANE STREET GROUP, LLC Institution | $29.9K 10.1K shares |
 RAYMOND JAMES FINANCIAL INC RIA/Wealth | $17.4K 5.9K shares |
Options Activity
Institutions with the largest Call and Put options positions in AP as of Q3 2025
- Call Positions
- 1
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with AP as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
G GAMCO INVESTORS, INC. ET AL Institution | 0.05% $5.5M |
Ancora Advisors, LLC RIA/Wealth | 0.04% $2.2M |
GABELLI FUNDS LLC Long Only Manager | 0.02% $3.2M |
R RBF Capital, LLC Institution | 0.01% $208.3K |
C Central Pacific Bank - Trust Division Institution | 0.01% $51.3K |
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager | 0.01% $292.1K |
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | 0.00% $42.3K |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | 0.00% $1.1M |
AMERIPRISE FINANCIAL INC Institution | 0.00% $2.6M |
 ACADIAN ASSET MANAGEMENT LLC Long Only Manager | 0.00% $130.5K |
Hedge Fund Spotlight
Discover hedge funds investing in AP
GSA CAPITAL PARTNERS LLP
Hedge Fund • Quant
Portfolio ManagerDavid Khabie-Zeitoune
- Portfolio Value
- $1.1B
- Positions
- 1,504
- Last Reported
- Q3 2025
Sector Allocation
Position in Ampco-Pittsburgh
- Market Value
- $42.3K
- Shares Held
- 18.5K
- Portfolio Weight
- 0.00%
- Owned Since
- 2025-Q1
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Information Technology Services Technology | $5.6M | 0.50% | |
Grocery Stores Consumer Defensive | $5.2M | 0.46% | |
Software - Infrastructure Technology | $4.8M | 0.43% |
