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
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $8,643,000 | +4.8% | 6,000,000 | 0.0% | 0.01% | 0.0% |
| Q4 2020 | $8,250,000 | +21.8% | 6,000,000 | -1.6% | 0.01% | 0.0% |
| Q3 2020 | $6,776,000 | +31.9% | 6,100,000 | +22.0% | 0.01% | +42.9% |
| Q4 2019 | $5,137,000 | -21.9% | 5,000,000 | -23.1% | 0.01% | -36.4% |
| Q3 2019 | $6,576,000 | -51.7% | 6,500,000 | -48.0% | 0.01% | -50.0% |
| Q2 2019 | $13,603,000 | – | 12,500,000 | – | 0.02% | – |
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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% |