Granahan Investment Management - ATMI INC ownership

ATMI INC's ticker is ATMI and the CUSIP is 00207R101. A total of 149 filers reported holding ATMI INC in Q1 2014. The put-call ratio across all filers is 0.90 and the average weighting 0.3%.

Quarter-by-quarter ownership
Granahan Investment Management ownership history of ATMI INC
ValueSharesWeighting
Q1 2014$11,587,000
-79.7%
340,700
-82.0%
0.31%
-78.8%
Q4 2013$57,187,000
+186.4%
1,892,975
+151.4%
1.47%
+176.8%
Q3 2013$19,969,000
+112.3%
752,976
+89.4%
0.53%
+95.9%
Q2 2013$9,404,000397,6460.27%
Other shareholders
ATMI INC shareholders Q1 2014
NameSharesValueWeighting ↓
Herald Investment Management Ltd 580,000$19,703,0007.79%
LG Capital Management, LP 612,711$20,838,0006.62%
LONGFELLOW INVESTMENT MANAGEMENT CO LLC 750,000$25,507,0004.20%
GABELLI & Co INVESTMENT ADVISERS, INC. 403,353$13,718,0003.73%
TOURADJI CAPITAL MANAGEMENT, LP 10,000$340,0002.49%
Loeb Offshore Management LP 222,504$7,567,0002.16%
INVESTMENT COUNSELORS OF MARYLAND LLC 1,000,850$34,039,0001.44%
WATER ISLAND CAPITAL LLC 1,156,734$39,340,0001.40%
SCHNEIDER CAPITAL MANAGEMENT CORP 338,597$11,516,0001.26%
GLAZER CAPITAL, LLC 121,807$4,143,0001.06%
View complete list of ATMI INC shareholders