Calamos Advisors LLC
Top Portfolio Positions
681 positions ·
$19,333,364,305 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 | 8.12% | |
| NVDA |
Nvidia Corp
Technology
|
8,196,787 | $1,429,519,652 | 7.39% | |
| AAPL |
Apple Inc.
Technology
|
4,787,595 | $1,215,043,735 | 6.28% | |
| MSFT |
Microsoft Corp
Technology
|
2,430,907 | $899,848,844 | 4.65% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
2,564,613 | $737,480,114 | 3.81% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
3,481,660 | $725,125,328 | 3.75% | |
| AVGO |
Broadcom Inc.
Technology
|
1,658,320 | $513,266,623 | 2.65% | |
| QQQ |
Invesco Qqq Trust, Series 1
|
765,765 | $441,984,242 | 2.29% | |
| META |
Meta Platforms, Inc.
Communication Services
|
745,002 | $426,237,994 | 2.20% | |
| TSLA |
Tesla, Inc.
Consumer Cyclical
|
843,050 | $313,403,837 | 1.62% |
Portfolio Trend
25 quarters · across all stocks
Holdings in OPRX
Shares Held
Position Value (USD)
12 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2025-12-31 | $1,190,666 | 97,118 | Shares | Other | 2026-01-29 | |
| 2025-09-30 | $1,578,541 | 77,002 | Shares | Sole | 2025-10-20 | |
| 2025-06-30 | $623,335 | 46,173 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $289,234 | 33,399 | Shares | Sole | 2025-04-29 | |
| 2022-06-30 | $2,447,623 | 89,362 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $2,732,012 | 72,448 | Shares | Sole | 2022-05-03 | |
| 2021-12-31 | $5,685,609 | 91,541 | Shares | Sole | 2022-02-01 | |
| 2021-09-30 | $9,995,659 | 116,840 | Shares | Sole | 2021-10-26 | |
| 2021-06-30 | $5,289,353 | 85,450 | Shares | Other | 2021-07-22 | |
| 2021-03-31 | $4,842,189 | 99,327 | Shares | Sole | 2021-04-12 | |
| 2020-12-31 | $2,096,380 | 67,278 | Shares | Other | 2021-01-27 | |
| 2020-09-30 | $826,910 | 39,660 | Shares | Other | 2020-10-26 | |
| No 13F history on record for this holder in this stock. | ||||||