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Wednesday, November 25, 2009, 5:13PM ET - U.S. Markets Closed. Dow Up 0.29% Nasdaq Up 0.32%
ATMI Inc. (ATMI)At 4:00PM ET: 15.86  Down 0.14 (0.88%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 11%
% of Shares Held by Institutional & Mutual Fund Owners: 90%
% of Float Held by Institutional & Mutual Fund Owners: 101%
Number of Institutions Holding Shares: 126

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
NEUGOLD DOUGLAS A120,37713-Aug-09
BANUCCI EUGENE G119,61211-Feb-09
SHARKEY DANIEL P80,16130-Jun-09
HILLAS ROBERT S50,52111-Feb-09
ADLEY MARK45,69811-Feb-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
WELLS FARGO & COMPANY2,532,7068.07$45,968,61330-Sep-09
Barclays Global Investors UK Holdings Ltd2,115,2806.74$38,392,33230-Sep-09
KALMAR INVESTMENTS INC.1,475,2814.70$26,776,35030-Sep-09
VANGUARD GROUP, INC. (THE)1,370,0004.37$24,865,50030-Sep-09
JENNISON ASSOCIATES LLC1,335,9484.26$24,247,45630-Sep-09
WESTFIELD CAPITAL MANAGEMENT COMPANY1,206,8843.85$21,904,94430-Sep-09
PRICE (T.ROWE) ASSOCIATES INC1,152,6003.67$20,919,69030-Sep-09
FRONTIER CAPITAL MANAGEMENT COMPANY INC1,090,8163.48$19,798,31030-Sep-09
ARTISAN PARTNERS LIMITED PARTNERSHIP1,016,5003.24$18,449,47530-Sep-09
FMR LLC3,185,42410.15$57,815,44530-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
VARIABLE INSURANCE PRODUCTS FD II-CONTRAFUND PORTFOLIO1,334,1094.25$24,214,07830-Sep-09
ARTISAN SMALL CAP VALUE FUND995,8003.17$15,464,77430-Jun-09
FIDELITY BALANCED FUND922,7872.94$16,748,58430-Sep-09
VANGUARD EXPLORER FUND, INC.792,1852.52$14,409,84531-Jul-09
PRICE (T.ROWE) SMALL-CAP VALUE FUND710,0002.26$12,886,50030-Sep-09
JENNISON SMALL COMPANY FUND617,6621.97$11,210,56530-Sep-09
Fidelity Series All Sector Equity Fund599,6881.91$10,884,33730-Sep-09
ADVISORS INNER CIRCLE FUND-ICM SMALL COMPANY PORTFOLIO592,0001.89$10,768,48031-Jul-09
EVERGREEN SPECIAL VALUES FUND528,1971.68$9,607,90331-Jul-09
Wells Fargo Advantage Small Cap Disciplined Fd510,5341.63$9,266,19230-Sep-09

View Transactions for Insiders & Institutional Holders
* Value shown is computed using the security's price on the report date given.


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