ALTAIR ENGR INC's ticker is ALTR and the CUSIP is 021369103. A total of 167 filers reported holding ALTAIR ENGR INC in Q1 2021. 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 | 11,300,457 | $706,956,590 | 8.48% |
| Conestoga Capital Advisors, LLC | 2,409,511 | $150,739,008 | 2.59% |
| Capital Impact Advisors, LLC | 16,830 | $1,052,885 | 1.76% |
| RIPOSTE CAPITAL LLC | 125,000 | $7,820,000 | 0.90% |
| PALISADE CAPITAL MANAGEMENT, LP | 393,838 | $24,638,505 | 0.69% |
| Impax Asset Management Group plc | 4,261,100 | $265,140,666 | 0.59% |
| Thematics Asset Management | 185,708 | $11,617,892 | 0.57% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 37,500 | $2,346,000 | 0.40% |
| BAMCO INC /NY/ | 1,635,507 | $102,317,318 | 0.30% |
| Pictet Asset Management Holding SA | 3,570,888 | $223,394,753 | 0.28% |