ALTAIR ENGR INC's ticker is and the CUSIP is 021369AA1. A total of 28 filers reported holding ALTAIR ENGR INC in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| STEELHEAD PARTNERS LLC | 25,000,000 | $38,803,000 | 2.91% |
| III Capital Management | 16,834,000 | $26,119,000 | 1.67% |
| Boussard & Gavaudan Investment Management LLP | 11,427 | $17,735,000 | 1.50% |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 36,000,000 | $55,850,000 | 1.28% |
| WOLVERINE ASSET MANAGEMENT LLC | 37,515,000 | $58,211,000 | 0.50% |
| Polar Asset Management Partners Inc. | 27,500,000 | $42,716,000 | 0.42% |
| SHENKMAN CAPITAL MANAGEMENT INC | 3,210,000 | $4,986,000 | 0.38% |
| ADVENT CAPITAL MANAGEMENT /DE/ | 6,500,000 | $10,091,000 | 0.19% |
| PALISADE CAPITAL MANAGEMENT, LP | 2,000,000 | $3,106,000 | 0.07% |
| Calamos Advisors LLC | 10,000,000 | $15,521,000 | 0.07% |