Managers / Q4 2025 · view latest →
Calamos Advisors LLC
CIK 0001316507 · 2020 CALAMOS COURT, NAPERVILLE, IL, 60563 · 6302451046
Reported Value
$26.6B
Q4 2025
Positions
997
Filings on Record
30
2019–present window
Filed
Jan 29, 2026
original filing
Summary
Calamos Advisors Llc reported $26.6B in U.S.-listed holdings across 997 positions for Q4 2025.
Its largest position, NVDA, represents 5.1% of the portfolio.
Compared with Q3 2025, the fund opened 117 new positions and exited 112.
Reported Value by Quarter
13F Reported Value
Portfolio Composition
By security type
Composition data arrives with ticker enrichment.
Quarter-over-Quarter Changes full breakdown →
Holdings — Q4 2025
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $28.2B | 1,269 | May 4, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $26.6B | 997 | Jan 29, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $27.1B | 1,003 | Oct 20, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $25.4B | 991 | Aug 8, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $23.0B | 987 | Apr 29, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $23.9B | 1,059 | Jan 24, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $23.1B | 1,072 | Nov 7, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $22.5B | 1,087 | Jul 25, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $21.1B | 1,097 | May 8, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $20.6B | 1,062 | Jan 31, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $19.2B | 1,066 | Oct 26, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $20.2B | 1,127 | Jul 28, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $20.5B | 1,256 | May 4, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $21.32T | 1,342 | Jan 26, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q3 2022 | $21.9B | 1,489 | Oct 24, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q2 2022 | $23.2B | 1,350 | Aug 1, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q1 2022 | $26.6B | 1,405 | May 3, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q4 2021 | $26.7B | 1,353 | Feb 1, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q3 2021 | $22.9B | 1,214 | Oct 26, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q2 2021 | $21.9B | 1,224 | Jul 22, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q1 2021 | $18.3B | 1,180 | Apr 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q4 2020 | $17.2B | 990 | Jan 27, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q3 2020 | $15.5B | 945 | Oct 26, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q2 2020 | $14.1B | 960 | Jul 27, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q1 2020 | $12.7B | 918 | Apr 28, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q4 2019 | $20.2B | 1,032 | Jan 15, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q3 2019 | $18.4B | 993 | Oct 21, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q2 2019 | $18.0B | 980 | Aug 7, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q1 2019 | $16.0B | 653 | Apr 12, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q4 2018 | $15.2B | 673 | Jan 24, 2019 | 13F-HR | changes · EDGAR ↗ |
Other Included Managers
This filing reports holdings on behalf of 4 additional managers.
- Calamos Wealth Management LLC028-13358
- Russell Investments Group, Ltd.028-17598
- First State Trust Co028-05476
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC028-02682
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.