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
FMR 3.02M $102.70M March 31, 2014
Royce & Associates 2.84M $85.67M Dec. 31, 2013
Wells Fargo & Company 2.22M $66.72M Dec. 31, 2013
Vanguard 2.15M $73.10M March 31, 2014
Jennison Associates 2.10M $55.72M Sept. 30, 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 1.77M $60.32M March 31, 2014
DIMENSIONAL FUND ADVISORS 1.45M $49.39M March 31, 2014
Gabelli Funds 1.34M $45.46M March 31, 2014
T. Rowe Price Associates 1.23M $41.67M March 31, 2014
Cortina Asset Management 1.22M $25.40M Dec. 31, 2012
Heartland Advisors 1.18M $35.62M Dec. 31, 2013
Water Island Capital 1.16M $39.34M March 31, 2014
BlackRock Institutional Trust Company, N.A. 1.14M $38.92M March 31, 2014
Investment Counselors of Maryland 1.00M $34.04M March 31, 2014
Ameriprise Financial 959606 $28.99M Dec. 31, 2013
AQR Capital Management 854233 $29.05M March 31, 2014
JPMORGAN CHASE & CO 832792 $28.31M March 31, 2014
STATE STREET CORPORATION 816803 $27.78M March 31, 2014
NORTHERN TRUST 797709 $27.14M March 31, 2014
Westfield Capital Management Company 759576 $15.86M Dec. 31, 2012
Raging Capital Management 751000 $16.84M March 31, 2013
David W. Seeley 750000 $25.51M March 31, 2014

Who sold ATMI?

Fund Name Date Sold Number of Shares Sold Share Valuation
Schneider Capital Management Corporation Sept. 30, 2011 746748 $11.81M