Calamos Advisors LLC
- SEC CIK
- 0001316507
- Latest filing
- Jul 31, 2026
HALO holding history
Halozyme Therapeutics, 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.
HALO overviewAll 13F holders of HALOFull Q2 2026 holdings
- Shares (Q2 2026)
- 43,000
- Value
- $3.37M
- % of portfolio
- <0.1%
- Quarters held
- 10
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 43,000 | $3.37M | <0.1% | −30,600−41.6% | Reduced | Holders |
| Q1 2026 | 73,600 | $4.76M | <0.1% | −1,400−1.9% | Reduced | Holders |
| Q4 2025 | 75,000 | $5.05M | <0.1% | +22,000+41.5% | Added | Holders |
| Q3 2025 | 53,000 | $3.89M | <0.1% | +53,000 | New | Holders |
| Q4 2024 | 0 | $0 | 0.0% | −32,349−100.0% | Sold out | Holders |
| Q3 2024 | 32,349 | $1.85M | <0.1% | −11,619−26.4% | Reduced | Holders |
| Q2 2024 | 43,968 | $2.30M | <0.1% | +43,968 | New | Holders |
| Q1 2023 | 0 | $0 | 0.0% | −18,354−100.0% | Sold out | Holders |
| Q4 2022 | 18,354 | $1.04M | <0.1% | −12,697−40.9% | Reduced | Holders |
| Q3 2022 | 31,051 | $1.23M | <0.1% | −69,673−69.2% | Reduced | Holders |
| Q2 2022 | 100,724 | $4.43M | <0.1% | +100,724 | New | Holders |
| Q2 2021 | 0 | $0 | 0.0% | −64,359−100.0% | Sold out | Holders |
| Q1 2021 | 64,359 | $2.68M | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.