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Notable Holders of ATMI, Inc. (ATMI)

  |   Expand Research on ATMI   |   * Does Not Fully Represent All Holders
Fund Title Shares % Owned Source
ROYCE & ASSOCIATES LLC COM 3,172,200 10.01% 13F
WELLS FARGO & CO/MN NONE PROVIDED 2,009,766 6.34% 13F
WESTFIELD CAPITAL MANAGEMENT CO LP COM 1,817,865 5.74% 13F
VANGUARD GROUP INC COM 1,665,754 5.26% 13F
HEARTLAND ADVISORS INC COM 1,474,434 4.65% 13F
DIMENSIONAL FUND ADVISORS LP COM 1,401,409 4.42% 13F
BlackRock Fund Advisors COM 1,292,249 4.08% 13F
Cortina Asset Management, LLC COM 1,233,902 3.89% 13F
AMERIPRISE FINANCIAL INC COM 1,170,052 3.69% 13F
INVESTMENT COUNSELORS OF MARYLAND LLC COM 1,157,000 3.65% 13F
PRICE T ROWE ASSOCIATES INC /MD/ COMM STK 1,106,240 3.49% 13F
BlackRock Institutional Trust Company, N.A. COM 819,886 2.59% 13F
SCHNEIDER CAPITAL MANAGEMENT CORP COM 746,748 2.36% 13F
NORTHERN TRUST CORP COM 627,153 1.98% 13F
Herald Investment Management Ltd 600,000 1.89% 13F
Invicta Capital Management, LLC COMM 470,000 1.48% 13F
FRONTIER CAPITAL MANAGEMENT CO LLC COM 458,120 1.45% 13F
OPPENHEIMER FUNDS INC COM 203,647 0.64% 13F
TIAA CREF INVESTMENT MANAGEMENT LLC COM 187,857 0.59% 13F
STATE OF WISCONSIN INVESTMENT BOARD COM 161,090 0.51% 13F
NEEDHAM INVESTMENT MANAGEMENT LLC COM 150,000 0.47% 13F
PRINCIPAL FINANCIAL GROUP INC COM 147,617 0.47% 13F
PUBLIC SECTOR PENSION INVESTMENT BOARD COMMON 147,544 0.47% 13F
SCHWAB CHARLES INVESTMENT MANAGEMENT INC COM 136,001 0.43% 13F
BlackRock Investment Management, LLC COM 127,114 0.40% 13F
NEW YORK STATE TEACHERS RETIREMENT SYSTEM COM 104,900 0.33% 13F
GEODE CAPITAL MANAGEMENT LLC COM 103,808 0.33% 13F
Brandywine Global Investment Management, LLC COM 97,840 0.31% 13F
NEW YORK STATE COMMON RETIREMENT FUND COMMON STOCK 91,360 0.29% 13F
Invesco Ltd. COMMON 84,979 0.27% 13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM * ATMI INC COM 79,453 0.25% 13F
MASON STREET ADVISORS LLC COM 70,018 0.22% 13F
AQR CAPITAL MANAGEMENT LLC COM 58,800 0.19% 13F
JPMORGAN CHASE & CO COMMON 57,343 0.18% 13F
BESSEMER GROUP INC SC 53,250 0.17% 13F
Teton Advisors, Inc. COM 52,640 0.17% 13F
Gotham Asset Management, LLC COM 52,134 0.16% 13F
JENNISON ASSOCIATES LLC COM 48,759 0.15% 13F
PARADIGM ASSET MANAGEMENT CO LLC COM 43,250 0.14% 13F
CREDIT SUISSE AG/ COM 42,883 0.14% 13F
FIRST MERCANTILE TRUST CO COMMON STOCK USD.01 38,760 0.12% 13F
PARAMETRIC PORTFOLIO ASSOCIATES Common Stock 36,610 0.12% 13F
Liberty Mutual Group Asset Management Inc. COM 35,460 0.11% 13F
COMERICA BANK COM 33,793 0.11% 13F
ING INVESTMENT MANAGEMENT CO COM 32,720 0.10% 13F
Lee Munder Capital Group, LLC COM 28,568 0.09% 13F
TEACHERS ADVISORS INC COM 28,207 0.09% 13F
AMERICAN INTERNATIONAL GROUP INC COM 25,927 0.08% 13F
FIRST TRUST ADVISORS LP COM 25,824 0.08% 13F
GRT CAPITAL PARTNERS LLC COM 24,310 0.08% 13F
Manulife Asset Management (North America) Ltd COM 22,267 0.07% 13F
GW CAPITAL MANAGEMENT LLC COMMON STOCK 21,629 0.07% 13F
BLACKROCK ADVISORS LLC COM 21,366 0.07% 13F
CURIAN CAPITAL LLC COM 15,451 0.05% 13F
BlackRock Group LTD COM 14,101 0.04% 13F
DEERE & CO COM 13,641 0.04% 13F
THRIVENT FINANCIAL FOR LUTHERANS COM 12,900 0.04% 13F
Goldman Sachs Asset Management, L.P. CMN 12,619 0.04% 13F
MORGAN STANLEY COM 10,083 0.03% 13F
UNIONBANCAL CORP COM 9,300 0.03% 13F
PineBridge Investments Ltd COM 6,783 0.02% 13F
KBC Group NV COM 6,598 0.02% 13F
SYSTEMATIC FINANCIAL MANAGEMENT LP 5,185 0.02% 13F
BARCLAYS PLC (CALL) OPT 5,000 0.02% 13F