Calamos Advisors LLC
- SEC CIK
- 0001316507
- Latest filing
- Jul 31, 2026
ALTR holding history
Altair Engineering Inc. in every 13F filed by Calamos Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
ALTR overviewAll 13F holders of ALTRFull Q2 2026 holdings
- Shares (Q1 2025)
- 0
- Sold out in Q1 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 3
- Since Q2 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q1 2025 | 0 | $0 | 0.0% | −49,773−100.0% | Sold out | Holders |
| Q4 2024 | 49,773 | $5.43M | <0.1% | +49,773 | New | Holders |
| Q4 2023 | 0 | $0 | 0.0% | −11,672−100.0% | Sold out | Holders |
| Q3 2023 | 11,672 | $730.2K | <0.1% | −3,343−22.3% | Reduced | Holders |
| Q2 2023 | 15,015 | $1.14M | <0.1% | +15,015 | New | Holders |