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Institutional Holdings of POLYPORE INTERNATIONAL INC (PPO) on 12/31/2011

1. Company Information

Company/StockPOLYPORE INTERNATIONAL INC (stock symbol: PPO)
Funds Ownership202 out of total 3028 funds (7%) own this stock
Funds own total 47,469,242 shares, 103.92% of all outstanding shares
Funds BOUGHT 4,653,022 more shares (+10.87%) in the quarter ended on 12/31/2011

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

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)FMR LLC6,881,523Cut -1.12%0.06%15.06%
2.)BLAIR WILLIAM & CO IL3,544,099Added 114.03%0.40%7.76%
3.)AMERICAN CENTURY COMPANIES INC3,285,397Added 5.32%0.24%7.19%
4.)WELLS FARGO & CO MN2,594,461Added 33.70%0.08%5.68%
5.)BAMCO INC NY 2,278,456Added 6.17%0.65%4.99%
6.)VANGUARD GROUP INC1,876,118Added 1.74%0.01%4.11%
7.)WADDELL & REED FINANCIAL INC1,671,787Added 16.40%0.18%3.66%
8.)WASATCH ADVISORS INC1,370,659Added 13.50%0.84%3.00%
9.)BROOKSIDE CAPITAL MANAGEMENT LLC1,234,061Added 85.43%1.30%2.70%
10.)MASSACHUSETTS FINANCIAL SERVICES CO MA 1,098,798Cut -13.06%0.05%2.41%
11.)PGGM INVESTMENTS1,025,661New0.26%2.25%
12.)TIGER GLOBAL MANAGEMENT LLC1,000,000Added 100.00%0.77%2.19%
13.)BLACKROCK INSTITUTIONAL TRUST COMPANY NA856,848Added 7.72%0.01%1.88%
14.)DIMENSIONAL FUND ADVISORS INC793,288Cut -25.10%0.04%1.74%
15.)ALLIANZ GLOBAL INVESTORS OF AMERICA L P701,706Added 22.87%0.09%1.54%
16.)OPPENHEIMER FUNDS INC632,196Added 7.61%0.05%1.38%
17.)KALMAR INVESTMENTS INC DE 622,965Added 100.87%0.68%1.36%
18.)ZEVENBERGEN CAPITAL INVESTMENTS LLC568,450Cut -3.08%1.05%1.24%
19.)KORNITZER CAPITAL MANAGEMENT INC KS468,100New0.38%1.02%
20.)TCW GROUP INC463,385Added 323.74%0.09%1.01%



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

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)DUDLEY & SHANLEY LLC403,400Added 1.12%4.74%0.88%
2.)FLOOD GAMBLE ASSOCIATES INC157,693Cut -7.56%4.73%0.35%
3.)ROSENBLUM SILVERMAN SUTTON S F INC CA106,150Cut -6.41%3.85%0.23%
4.)SKYTOP CAPITAL MANAGEMENT LLC112,830New2.97%0.25%
5.)SAVITR CAPITAL LLC41,000New2.22%0.09%
6.)PIER CAPITAL LLC275,875Cut -5.65%1.69%0.60%
7.)ECOFIN LTD122,818New1.68%0.27%
8.)BROOKSIDE CAPITAL MANAGEMENT LLC1,234,061Added 85.43%1.30%2.70%
9.)STRAUS CAPITAL MANAGEMENT LLC 61,500Added 4.24%1.30%0.13%
10.)AH LISANTI CAPITAL GROWTH LLC79,970Cut -14.99%1.25%0.18%
11.)CHINOOK CAPITAL MANAGEMENT64,641Cut -10.98%1.20%0.14%
12.)PROVIDENT INVESTMENT COUNSEL110,053Cut -22.83%1.13%0.24%
13.)CUPPS CAPITAL MANAGEMENT LLC166,433Cut -41.55%1.09%0.36%
14.)INSIGHT CAPITAL RESEARCH & MANAGEMENT INC72,402Cut -54.30%1.08%0.16%
15.)ZEVENBERGEN CAPITAL INVESTMENTS LLC568,450Cut -3.08%1.05%1.24%
16.)FIDUCIARY MANAGEMENT ASSOCIATES LLC285,750New1.00%0.63%
17.)ITHAKA GROUP LLC34,071Cut -1.13%0.97%0.07%
18.)SAMSUNG LIFE INVESTMENT (AMERICA) LTD22,030New0.93%0.05%
19.)COPPER ROCK CAPITAL PARTNERS LLC150,596Added 0.74%0.88%0.33%
20.)HARVEY CAPITAL MANAGEMENT INC25,300Added 24.63%0.87%0.06%

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

No.FundSharesPut/Call% Port.% Out. Shrs
1.)PGGM INVESTMENTS1,025,6610.26%2.25%
2.)KORNITZER CAPITAL MANAGEMENT INC KS468,1000.38%1.02%
3.)RENAISSANCE TECHNOLOGIES LLC311,3000.06%0.68%
4.)FIDUCIARY MANAGEMENT ASSOCIATES LLC285,7501.00%0.63%
5.)ECOFIN LTD122,8181.68%0.27%
6.)SKYTOP CAPITAL MANAGEMENT LLC112,8302.97%0.25%
7.)EULAV ASSET MANAGEMENT76,2000.22%0.17%
8.)MAPLELANE CAPITAL LLC67,500PUT0.26%0.15%
9.)HOLLAND CAPITAL MANAGEMENT LLC61,0000.14%0.13%
10.)TWO SIGMA INVESTMENTS LLC60,5930.03%0.13%
11.)VAN ECK ASSOCIATES CORP53,4400.01%0.12%
12.)OXFORD ASSET MANAGEMENT53,0340.06%0.12%
13.)CIBC GLOBAL ASSET MANAGEMENT INC51,4300.02%0.11%
14.)MILLENNIUM MANAGEMENT LLC46,6460.02%0.10%
15.)SAVITR CAPITAL LLC41,0002.22%0.09%
16.)CITIGROUP INC25,800CALL0.00%0.06%
17.)CITIGROUP INC25,800PUT0.00%0.06%
18.)SAMSUNG LIFE INVESTMENT (AMERICA) LTD22,0300.93%0.05%
19.)GSA CAPITAL PARTNERS LLP17,6470.14%0.04%
20.)JANUS CAPITAL MANAGEMENT LLC17,0000.00%0.04%

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

No.FundSharesPut/Call% Port.% Out. Shrs
1.)CALAMOS ADVISORS LLC840,3000.23%1.84%
2.)COLUMBUS CIRCLE INVESTORS484,5720.25%1.06%
3.)THOMPSON SIEGEL & WALMSLEY LLC208,1090.24%0.46%
4.)DRIEHAUS CAPITAL MANAGEMENT LLC150,8410.46%0.33%
5.)AXA FINANCIAL INC128,0000.05%0.28%
6.)CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM103,7000.02%0.23%
7.)CI INVESTMENTS INC83,1850.06%0.18%
8.)CI GLOBAL HOLDINGS INC80,0000.47%0.18%
9.)EULAV ASSET MANAGEMENT LLC76,2000.30%0.17%
10.)GOLDEN CAPITAL MANAGEMENT LLC56,8430.19%0.12%
11.)CAXTON ASSOCIATES LLC38,7340.10%0.08%
12.)DAI ICHI MUTUAL LIFE INSURANCE CO35,3210.13%0.08%
13.)MAINSTREAM INVESTMENT ADVISERS LLC35,0000.68%0.08%
14.)PRUDENTIAL FINANCIAL INC34,0500.01%0.07%
15.)CABOT MONEY MANAGEMENT INC31,8110.75%0.07%
16.)NICHOLS ASSET MANAGEMENT LLC29,5501.26%0.06%
17.)TIMBER HILL LLC26,700PUT0.00%0.06%
18.)CAPITAL FUND MANAGEMENT SA25,9000.02%0.06%
19.)TIMBER HILL LLC24,000CALL0.00%0.05%
20.)GABELLI SECURITIES INC22,5000.45%0.05%