ALTAIR ENGR INC's ticker is ALTR and the CUSIP is 021369103. A total of 51 filers reported holding ALTAIR ENGR INC in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Matrix Capital Management Company, LP | 5,155,025 | $322,550,000 | 3.72% |
| Conestoga Capital Advisors, LLC | 2,311,234 | $144,614,000 | 2.18% |
| SOUTHPORT MANAGEMENT, L.L.C. | 5,000 | $312,850,000 | 1.16% |
| Impax Asset Management Group plc | 2,374,667 | $147,686,000 | 0.76% |
| OAK RIDGE INVESTMENTS LLC | 119,765 | $7,494,000 | 0.70% |
| BRADLEY FOSTER & SARGENT INC/CT | 427,210 | $26,731,000 | 0.68% |
| PALISADE CAPITAL MANAGEMENT, LP | 414,562 | $25,939,000 | 0.61% |
| Zebra Capital Management LLC | 4,732 | $296,000 | 0.33% |
| Cinctive Capital Management LP | 78,084 | $4,886,000 | 0.30% |
| MCIA Inc | 8,822 | $562,000 | 0.28% |