ATMI INC's ticker is ATMI and the CUSIP is 00207R101. A total of 132 filers reported holding ATMI INC in Q4 2013. The put-call ratio across all filers is 33.75 and the average weighting 0.3%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RGM Capital, LLC | 1,442,290 | $43,572,000 | 7.83% |
| Herald Investment Management Ltd | 580,000 | $17,493,000 | 6.98% |
| LG Capital Management, LP | 333,836 | $10,085,000 | 5.78% |
| Talara Capital Management, LLC | 144,750 | $4,373,000 | 4.36% |
| Trigran Investments, Inc. | 365,340 | $11,036,000 | 2.44% |
| Loeb Offshore Management LP | 238,323 | $7,200,000 | 1.99% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 388,687 | $11,742,000 | 1.63% |
| Granahan Investment Management | 1,892,975 | $57,187,000 | 1.47% |
| INVESTMENT COUNSELORS OF MARYLAND LLC | 1,071,100 | $32,358,000 | 1.32% |
| SCHNEIDER CAPITAL MANAGEMENT CORP | 346,472 | $10,467,000 | 0.96% |