ALTAIR ENGR INC's ticker is and the CUSIP is 021369AA1. A total of 31 filers reported holding ALTAIR ENGR INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.2%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| STEELHEAD PARTNERS LLC | 17,675,000 | $18,638,000 | 2.29% |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 35,382,000 | $37,390,000 | 1.69% |
| Cheyne Capital Management (UK) LLP | 1,260,000 | $1,329,000 | 0.90% |
| LINDEN ADVISORS LP | 46,997,000 | $49,528,000 | 0.80% |
| OSTERWEIS CAPITAL MANAGEMENT INC | 8,500,000 | $8,951,000 | 0.65% |
| SHENKMAN CAPITAL MANAGEMENT INC | 3,070,000 | $3,262,000 | 0.47% |
| Empyrean Capital Partners, LP | 6,931,000 | $7,312,000 | 0.44% |
| AQR Arbitrage LLC | 7,100,000 | $7,477,000 | 0.33% |
| WOLVERINE ASSET MANAGEMENT LLC | 17,810,000 | $18,794,000 | 0.19% |
| Polar Asset Management Partners Inc. | 10,000,000 | $10,545,000 | 0.18% |