Calamos Advisors LLC reported 550 positions worth $17.98B for the quarter ended Jun 30, 2026, up 3.2% on the prior quarter. It opened 77 new positions, added to 84, trimmed 308 and exited 217. Its largest holding is Nvidia Corp at 7.9% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Trade Value | Weight |
|---|---|---|---|
| W Wayfair Inc. | +509.2K | $47.06M | 0.262% |
| ROKU Roku, Inc | +325.0K | $44.90M | 0.25% |
| INTC Intel Corp | +293.4K +30.1% | $40.96M | 0.985% |
| AMD Advanced Micro Devices Inc | +62.8K +13.1% | $36.51M | 1.75% |
| MRVL Marvell Technology, Inc. | +104.5K +513.9% | $31.12M | 0.207% |
| AES Aes Corp | +1.78M +106.9% | $26.04M | 0.28% |
| SNDK Sandisk Corp | +11.0K +47.7% | $25.10M | 0.433% |
| UNH Unitedhealth Group Inc | +58.5K +23.3% | $24.31M | 0.715% |
| TXNM Txnm Energy Inc | +380.7K | $21.62M | 0.12% |
| CBOE Cboe Global Markets, Inc. | +82.5K +10,286.8% | $20.02M | 0.112% |
| Holding | Change | Trade Value | Weight |
|---|---|---|---|
| AAPL Apple Inc. | -853.3K -17.9% | $246.90M | 6.32% |
| NVDA Nvidia Corp | -1.13M -13.8% | $225.24M | 7.86% |
| GOOGL Alphabet Inc. | -538.7K -21.1% | $192.53M | 4.01% |
| MSFT Microsoft Corp | -330.5K -13.9% | $123.27M | 4.24% |
| AVGO Broadcom Inc. | -277.8K -16.8% | $104.94M | 2.89% |
| AMZN Amazon Com Inc | -414.3K -12.2% | $98.73M | 3.97% |
| META Meta Platforms, Inc. | -73.3K -10.0% | $41.28M | 2.06% |
| TSLA Tesla, Inc. | -95.0K -11.3% | $39.96M | 1.75% |
| ANET Arista Networks, Inc. | -218.7K -41.6% | $37.15M | 0.291% |
| V Visa Inc. | -100.4K -13.2% | $34.46M | 1.26% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| W Wayfair Inc. | +509.2K | $47.06M | 0.262% |
| ROKU Roku, Inc | +325.0K | $44.90M | 0.25% |
| TXNM Txnm Energy Inc | +380.7K | $21.62M | 0.12% |
| HONA Honeywell Aerospace Inc. | +79.1K | $17.50M | 0.097% |
| CFG Citizens Financial Group Inc | +197.1K | $13.81M | 0.077% |
| COHR Coherent Corp. | +32.3K | $12.73M | 0.071% |
| MSTR Strategy Inc | +200.0K | $11.76M | 0.065% |
| CMI Cummins Inc | +11.6K | $8.29M | 0.046% |
| FLEX Flex Ltd. | +51.1K | $8.29M | 0.046% |
| SDHI Siddhi Acquisition Corp (Cayman Islands) | +750.0K | $7.80M | 0.043% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| BP Bp Plc | -475.0K | $22.33M | 0.128% |
| MCO Moodys Corp | -24.2K | $10.56M | 0.061% |
| ZBRA Zebra Technologies Corp | -44.5K | $9.30M | 0.053% |
| BAH Booz Allen Hamilton Holding Corp | -117.0K | $9.13M | 0.052% |
| SDHIU Siddhi Acquisition Corp (Cayman Islands) | -750.0K | $7.91M | 0.045% |
| GTENU Gores Holdings X, Inc. / CI | -700.0K | $7.24M | 0.042% |
| NET Cloudflare, Inc. | -34.8K | $7.17M | 0.041% |
| LOKVU Live Oak Acquisition Corp V | -600.0K | $6.99M | 0.04% |
| AZN Astrazeneca Plc | -33.8K | $6.66M | 0.038% |
| CF CF Industries Holdings, Inc. | -50.6K | $6.57M | 0.038% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NVDA Nvidia Corp | Technology | 7.06M | $1.41B | 7.86% | -1.13M | -13.8% | Reduced | 0.03% |
| 2 | AAPL Apple Inc. | Technology | 3.93M | $1.14B | 6.32% | -853.3K | -17.9% | Reduced | 0.03% |
| 3 | MSFT Microsoft Corp | Technology | 2.05M | $762.84M | 4.24% | -330.5K | -13.9% | Reduced | 0.03% |
| 4 | GOOGL Alphabet Inc. | Technology | 2.02M | $721.70M | 4.01% | -538.7K | -21.1% | Reduced | 0.03% |
| 5 | AMZN Amazon Com Inc | Consumer Discretionary | 2.99M | $713.02M | 3.97% | -414.3K | -12.2% | Reduced | 0.03% |
| 6 | AVGO Broadcom Inc. | Technology | 1.37M | $519.26M | 2.89% | -277.8K | -16.8% | Reduced | 0.03% |
| 7 | META Meta Platforms, Inc. | Technology | 657.6K | $370.43M | 2.06% | -73.3K | -10.0% | Reduced | 0.03% |
| 8 | MU Micron Technology Inc | Technology | 313.5K | $361.82M | 2.01% | -8,752 | -2.7% | Reduced | 0.03% |
| 9 | LLY ELI LILLY & Co | Healthcare | 283.0K | $339.44M | 1.89% | -25.5K | -8.3% | Reduced | 0.03% |
| 10 | GOOG Alphabet Inc. | Technology | 907.2K | $320.55M | 1.78% | -94.7K | -9.4% | Reduced | 0.02% |
| 11 | AMD Advanced Micro Devices Inc | Technology | 540.8K | $314.14M | 1.75% | +62.8K | +13.1% | Added | 0.03% |
| 12 | TSLA Tesla, Inc. | Consumer Discretionary | 746.4K | $313.95M | 1.75% | -95.0K | -11.3% | Reduced | 0.02% |
| 13 | JPM Jpmorgan Chase & Co | Financial Services | 708.4K | $231.88M | 1.29% | -96.6K | -12.0% | Reduced | 0.03% |
| 14 | V Visa Inc. | Financial Services | 661.5K | $226.94M | 1.26% | -100.4K | -13.2% | Reduced | 0.04% |
| 15 | AMAT Applied Materials Inc | Technology | 303.4K | $219.35M | 1.22% | -3,695 | -1.2% | Reduced | 0.04% |
Tip. Select a row to see that position’s full history at Calamos Advisors.
As of its Q2 2026 13F filing, Calamos Advisors LLC’s five largest positions were Nvidia Corp (NVDA) at 7.9%, Apple Inc. (AAPL) at 6.3%, Microsoft Corp (MSFT) at 4.2%, Alphabet Inc. (GOOGL) at 4.0%, Amazon Com Inc (AMZN) at 4.0% of the reported portfolio.
Calamos Advisors LLC reported a 13F portfolio worth $17.98B across 550 positions for Q2 2026. That is up 3.2% from the previous quarter.
Its largest purchases by value were Wayfair Inc. ($47.06M), Roku, Inc ($44.90M), Intel Corp ($40.96M). It opened 77 new positions.
Its largest sales by value were Apple Inc. ($246.90M), Nvidia Corp ($225.24M), Alphabet Inc. ($192.53M). It exited 217 positions entirely.
From the Form 13F-HR reports Calamos Advisors LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.