DIMENSIONAL FUND ADVISORS LP - 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
DIMENSIONAL FUND ADVISORS LP ownership history of ATMI INC
ValueSharesWeighting
Q1 2014$49,388,000
+14.1%
1,452,146
+1.4%
0.04%
+8.8%
Q4 2013$43,266,000
+14.9%
1,432,203
+0.9%
0.03%
+3.0%
Q3 2013$37,644,000
+14.9%
1,419,485
+2.5%
0.03%
+6.5%
Q2 2013$32,755,0001,384,9970.03%
Other shareholders
ATMI INC shareholders Q1 2014
NameSharesValueWeighting ↓
Ground Swell Capital, LLC 42$1,0000.00%
View complete list of ATMI INC shareholders