AMCOL International Corp: Ownership

Ownership Information
Shares Outstanding 31.00 Mil
Institutional Ownership (%)68.56
Top 10 Institutions (%)57.30
Mutual Fund Ownership (%).33
5%/Insider Ownership (%)8.50
Float (%)91.50
Ownership Activity
Description# of HoldersShares
Total Positions 10121,252,464
New Positions150
Soldout Positions380
Net Position Change-17-679,895
Buyers52828,071
Sellers69-1,507,966
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
M & G Investment Management Ltd. 5,964,646 4,000 0.1 33,076,052 19.4 2.6 12-31-09
Harris Investment Management, Inc. 3,203,591 1,003 0.0 17,738,816 10.4 0.2 12-31-09
Keeley Asset Management Corp. 1,846,350 -102,050 -5.2 216,480 6.0 0.6 09-30-09
T. Rowe Price Associates, Inc. 1,136,900 -102,500 -8.3 -722,611 3.7 0.0 09-30-09
Vanguard Group, Inc. 1,050,228 61,780 6.3 2,709,011 3.4 0.0 09-30-09
NFJ Investment Group LLC 1,038,800 0 0.0 1,360,828 3.4 0.1 09-30-09
Dimensional Fund Advisors, LP 685,475 -1,400 -0.2 867,761 2.2 0.0 09-30-09
Wellington Management Company, LLP 556,200 101,750 22.4 2,924,387 1.8 0.0 09-30-09
State Street Global Advisors (US) 528,165 127,092 31.7 3,434,542 1.7 0.0 09-30-09
TIAA-CREF 304,731 -4,180 -1.4 308,994 1.0 0.0 09-30-09
The Boston Company Asset Management, LLC 250,250 -49,951 -16.6 240,504 0.8 0.0 12-31-09
Sparta Asset Management, LLC 211,492 46,710 28.3 1,285,056 0.7 1.7 09-30-09
Northern Trust Investments, N.A. 205,586 13,273 6.9 555,749 0.7 0.0 09-30-09
Goldman Sachs & Company, Inc. 176,791 -27,339 -13.4 -358,379 0.6 0.0 09-30-09
New York State Teachers' Retirement System 131,200 0 0.0 171,872 0.4 0.0 09-30-09
*Category Headings:
Shs Held - shares held at report date
Shs Chg - position change within reporting period
%Chg - % change
$Chg - market value of the position change
%Out - % of shares outstanding
%Port - % Portfolio
Rpt Date - report date
Page generated 2/10/2010 9:08 AM Eastern Time