Who owns ATMI?

Key details on ATMI (Ticker: ATMI)

Who owns ATMI?

Is ATMI a good stock to own? Find out who bought ATMI, who sold ATMI (ATMI) stock, and who holds a large position in ATMI.

Fund Name Number of Shares Share Valuation As Of
Royce & Associates 2.84M $85.67M Dec. 31, 2013
Wells Fargo & Company 2.22M $66.72M Dec. 31, 2013
Vanguard 2.01M $60.75M Dec. 31, 2013
GRANAHAN INVESTMENT MANAGEMENT INC/MA 1.89M $57.19M Dec. 31, 2013
RGM Capital 1.83M $76.29M Dec. 31, 2013
BlackRock Fund Advisors 1.74M $52.55M Dec. 31, 2013
DIMENSIONAL FUND ADVISORS 1.43M $43.27M Dec. 31, 2013
T. Rowe Price Associates 1.23M $37.14M Dec. 31, 2013
Cortina Asset Management 1.22M $25.40M Dec. 31, 2012
Heartland Advisors 1.18M $35.62M Dec. 31, 2013
Investment Counselors of Maryland 1.07M $32.36M Dec. 31, 2013
Ameriprise Financial 959606 $28.99M Dec. 31, 2013
BlackRock Institutional Trust Company, N.A. 863442 $26.08M Dec. 31, 2013
NORTHERN TRUST 823870 $24.89M Dec. 31, 2013
Westfield Capital Management Company 759576 $15.86M Dec. 31, 2012
Raging Capital Management 751000 $16.84M March 31, 2013
Jennison Associates 732881 $22.14M Dec. 31, 2013
KALMAR INVESTMENTS INC /DE/ 717825 $19.04M Sept. 30, 2013
First Trust Advisors 685668 $14.32M Dec. 31, 2012
Schneider Capital Management Corporation 669598 $13.41M Dec. 31, 2011
STATE STREET CORPORATION 626789 $16.62M Sept. 30, 2013

Who sold ATMI?

Fund Name Date Sold Number of Shares Sold Share Valuation
FMR Dec. 31, 2010 3.45M $68.86M
Muhlenkamp & Company June 30, 2002 627777 $14.04M