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Institutional Holdings of AMPCO-PITTSBURGH CORP. (AP) on 12/31/2011

1. Company Information

Company/StockAMPCO-PITTSBURGH CORP. (stock symbol: AP)
Funds Ownership61 out of total 3028 funds (2%) own this stock
Funds own total 20,339,018 shares, 197.08% of all outstanding shares
Funds BOUGHT 13,629,432 more shares (+203.13%) in the quarter ended on 12/31/2011

2. Top 20 Funds Held AP in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)ARROWSTREET CAPITAL LIMITED PARTNERSHIP13,120,900New0.08%127.14%
2.)ROYCE & ASSOCIATES LLC1,342,380Unchanged0.09%13.01%
3.)GAMCO INVESTORS INC ET AL1,224,887Cut -0.24%0.19%11.87%
4.)KEELEY ASSET MANAGEMENT CORP597,000New0.24%5.78%
5.)LSV ASSET MANAGEMENT468,255Cut -5.01%0.03%4.54%
6.)WELLINGTON MANAGEMENT CO LLP466,133Cut -2.33%0.00%4.52%
7.)GABELLI FUNDS LLC430,806Added 0.19%0.06%4.17%
8.)VANGUARD GROUP INC378,354Added 2.15%0.00%3.67%
9.)DIMENSIONAL FUND ADVISORS INC373,360Added 9.52%0.01%3.62%
10.)BLACKROCK INSTITUTIONAL TRUST COMPANY NA280,453Added 5.33%0.00%2.72%
11.)TETON ADVISORS INC210,391Unchanged0.84%2.04%
12.)STATE STREET CORP199,691Added 2.67%0.00%1.93%
13.)BLACKROCK FUND ADVISORS186,108Added 2.45%0.00%1.80%
14.)NORTHERN TRUST CORP151,114Cut -0.13%0.00%1.46%
15.)FEDERATED INVESTORS INC PA 124,255Cut -0.32%0.01%1.20%
16.)ROBECO INVESTMENT MANAGEMENT INC65,148Cut -2.69%0.01%0.63%
17.)BANK OF NEW YORK MELLON CORP63,203Added 13.33%0.00%0.61%
18.)MINERVA ADVISORS LLC61,000New0.90%0.59%
19.)STRS OHIO41,500Added 13.70%0.00%0.40%
20.)MORGAN STANLEY39,752Added 72.39%0.00%0.39%



3. Top 20 Funds Held AP in this Quarter (By % of Portfolio) Add to Yahoo Finance Message Board

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)MINERVA ADVISORS LLC61,000New0.90%0.59%
2.)TETON ADVISORS INC210,391Unchanged0.84%2.04%
3.)CHATHAM CAPITAL GROUP INC27,170Unchanged0.27%0.26%
4.)ALGERT COLDIRON INVESTORS LLC39,601Added 31.27%0.25%0.38%
5.)KEELEY ASSET MANAGEMENT CORP597,000New0.24%5.78%
6.)GAMCO INVESTORS INC ET AL1,224,887Cut -0.24%0.19%11.87%
7.)ROYCE & ASSOCIATES LLC1,342,380Unchanged0.09%13.01%
8.)ARROWSTREET CAPITAL LIMITED PARTNERSHIP13,120,900New0.08%127.14%
9.)FIRST ALLIED ADVISORY SERVICES INC5,745Cut -5.35%0.07%0.06%
10.)GABELLI FUNDS LLC430,806Added 0.19%0.06%4.17%
11.)TECHNICAL FINANCIAL SERVICES LLC39,378Added 232.72%0.04%0.38%
12.)BRIDGEWAY CAPITAL MANAGEMENT INC34,100Unchanged0.03%0.33%
13.)JAMES INVESTMENT RESEARCH INC21,370Cut -85.87%0.03%0.21%
14.)MARTINGALE ASSET MANAGEMENT L P25,318New0.03%0.25%
15.)LSV ASSET MANAGEMENT468,255Cut -5.01%0.03%4.54%
16.)HARTFORD INVESTMENT MANAGEMENT CO37,984Added 2.21%0.02%0.37%
17.)UNIONBANCAL CORP23,500Cut -10.98%0.01%0.23%
18.)FEDERATED INVESTORS INC PA 124,255Cut -0.32%0.01%1.20%
19.)DIMENSIONAL FUND ADVISORS INC373,360Added 9.52%0.01%3.62%
20.)ROBECO INVESTMENT MANAGEMENT INC65,148Cut -2.69%0.01%0.63%

4. Top 20 Funds BOUGHT NEW AP in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/Call% Port.% Out. Shrs
1.)ARROWSTREET CAPITAL LIMITED PARTNERSHIP13,120,9000.08%127.14%
2.)KEELEY ASSET MANAGEMENT CORP597,0000.24%5.78%
3.)MINERVA ADVISORS LLC61,0000.90%0.59%
4.)MARTINGALE ASSET MANAGEMENT L P25,3180.03%0.25%
5.)RENAISSANCE TECHNOLOGIES LLC18,8000.00%0.18%
6.)MADISON SQUARE INVESTORS LLC12,5360.00%0.12%
7.)RUSSELL FRANK CO 4,6600.00%0.05%
8.)PANAGORA ASSET MANAGEMENT INC8280.00%0.01%
9.)HARRIS FINANCIAL CORP5920.00%0.01%

5. Top 20 Funds SOLD OUT AP in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/Call% Port.% Out. Shrs
1.)TIAA CREF INVESTMENT MANAGEMENT LLC63,5240.00%0.62%
2.)ATHENA CAPITAL MANAGEMENT INC61,0001.09%0.59%
3.)TEACHERS ADVISORS INC56,4830.01%0.55%
4.)AXA FINANCIAL INC15,3820.00%0.15%
5.)MADISON SQUARE INVESTORS LLC3290.00%0.00%