ATMI INC's ticker is ATMI and the CUSIP is 00207R101. A total of 128 filers reported holding ATMI INC in Q2 2013. The put-call ratio across all filers is 9.38 and the average weighting 0.3%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Talara Capital Management, LLC | 360,000 | $8,514,000 | 8.89% |
| Herald Investment Management Ltd | 600,000 | $14,190,000 | 6.63% |
| RGM Capital, LLC | 668,259 | $15,805,000 | 4.69% |
| Raging Capital Management, LLC | 377,114 | $8,919,000 | 2.37% |
| Trigran Investments, Inc. | 158,859 | $3,757,000 | 1.86% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 373,433 | $8,832,000 | 1.57% |
| INVESTMENT COUNSELORS OF MARYLAND LLC | 1,160,650 | $27,449,000 | 1.22% |
| SCHNEIDER CAPITAL MANAGEMENT CORP | 434,316 | $10,272,000 | 0.96% |
| Baltimore-Washington Financial Advisors Inc. | 67,855 | $1,605,000 | 0.70% |
| HEARTLAND ADVISORS INC | 931,930 | $22,040,000 | 0.41% |