ALTAIR ENGR INC's ticker is ALTR and the CUSIP is 021369103. A total of 172 filers reported holding ALTAIR ENGR INC in Q3 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 ↓ |
|---|---|---|---|
| Well Done, LLC | 13,316,757 | $13,342,000 | 1.61% |
| Conestoga Capital Advisors, LLC | 1,599,630 | $55,379,000 | 1.42% |
| Tygh Capital Management, Inc. | 175,002 | $6,059,000 | 1.08% |
| OBERWEIS ASSET MANAGEMENT INC/ | 130,575 | $4,521,000 | 1.02% |
| Redwood Investments, LLC | 276,656 | $9,578,000 | 0.74% |
| Matrix Capital Management Company, LP | 704,625 | $24,394,000 | 0.60% |
| Pier Capital, LLC | 98,328 | $3,404,000 | 0.58% |
| Impax Asset Management Group plc | 1,066,655 | $36,472,000 | 0.48% |
| BAMCO INC /NY/ | 1,974,757 | $68,366,000 | 0.28% |
| PALISADE CAPITAL MANAGEMENT, LP | 257,771 | $8,924,000 | 0.27% |