Calamos Advisors LLC
- SEC CIK
- 0001316507
- Latest filing
- Jul 31, 2026
ATRC holding history
AtriCure, 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.
ATRC overviewAll 13F holders of ATRCFull Q2 2026 holdings
- Shares (Q3 2025)
- 0
- Sold out in Q3 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 4
- Since Q3 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q3 2025 | 0 | $0 | 0.0% | −12,126−100.0% | Sold out | Holders |
| Q2 2025 | 12,126 | $397.4K | <0.1% | −94,506−88.6% | Reduced | Holders |
| Q1 2025 | 106,632 | $3.44M | <0.1% | −4,039−3.6% | Reduced | Holders |
| Q4 2024 | 110,671 | $3.38M | <0.1% | +24,147+27.9% | Added | Holders |
| Q3 2024 | 86,524 | $2.43M | <0.1% | +86,524 | New | Holders |