Calamos Advisors LLC
Top Portfolio Positions
682 positions ·
$19,317,960,460 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| SPY |
Spdr S&P 500 ETF Trust
|
2,414,103 | $1,569,987,745 | 8.13% | |
| NVDA |
Nvidia Corp
Technology
|
8,196,787 | $1,429,519,652 | 7.40% | |
| AAPL |
Apple Inc.
Technology
|
4,787,595 | $1,215,043,735 | 6.29% | |
| MSFT |
Microsoft Corp
Technology
|
2,430,907 | $899,848,844 | 4.66% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
2,564,613 | $737,480,114 | 3.82% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
3,481,660 | $725,125,328 | 3.75% | |
| AVGO |
Broadcom Inc.
Technology
|
1,658,320 | $513,266,623 | 2.66% | |
| QQQ |
Invesco Qqq Trust, Series 1
|
765,765 | $441,984,242 | 2.29% | |
| META |
Meta Platforms, Inc.
Communication Services
|
745,002 | $426,237,994 | 2.21% | |
| TSLA |
Tesla, Inc.
Consumer Cyclical
|
843,050 | $313,403,837 | 1.62% |
Portfolio Trend
25 quarters · across all stocks
Holdings in MRX
Shares Held
Position Value (USD)
5 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,908,881 | 110,114 | Shares | Other | 2026-05-04 | |
| 2025-12-31 | $3,191,781 | 83,206 | Shares | Sole | 2026-01-29 | |
| 2025-06-30 | $1,502,819 | 38,075 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $2,985,810 | 84,536 | Shares | Other | 2025-04-29 | |
| 2024-12-31 | $2,382,478 | 76,435 | Shares | Other | 2025-01-24 | |
| No 13F history on record for this holder in this stock. | ||||||