ATMI INC's ticker is ATMI and the CUSIP is 00207R101. A total of 122 filers reported holding ATMI INC in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RGM Capital, LLC | 1,191,709 | $31,604,000 | 7.32% |
| Herald Investment Management Ltd | 600,000 | $15,876,000 | 6.89% |
| Talara Capital Management, LLC | 150,313 | $3,986,000 | 3.99% |
| Trigran Investments, Inc. | 182,670 | $4,845,000 | 2.30% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 382,259 | $10,138,000 | 1.59% |
| INVESTMENT COUNSELORS OF MARYLAND LLC | 1,160,400 | $30,774,000 | 1.30% |
| SCHNEIDER CAPITAL MANAGEMENT CORP | 421,971 | $11,191,000 | 1.02% |
| Baltimore-Washington Financial Advisors Inc. | 73,525 | $1,950,000 | 0.77% |
| HEARTLAND ADVISORS INC | 1,170,587 | $31,044,000 | 0.56% |
| Granahan Investment Management | 752,976 | $19,969,000 | 0.53% |