Calamos Advisors LLC reported 562 positions worth $19.43B for the quarter ended Sep 30, 2026, up 8.1% on the prior quarter. It opened 81 new positions, added to 294, trimmed 86 and exited 74. Its largest holding is Nvidia Corp at 8.4% 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 | Change % | Trade Value | Weight |
|---|---|---|---|---|
| META Meta Platforms, Inc. | +88.6K | +13.5% | $64.26M | 2.78% |
| AMZN Amazon Com Inc | +255.2K | +8.5% | $63.59M | 4.16% |
| STX Seagate Technology Holdings plc | +60.2K | +219.2% | $55.50M | 0.416% |
| MSFT Microsoft Corp | +105.8K | +5.2% | $54.28M | 5.68% |
| FCX Freeport-Mcmoran Inc | +766.3K | +88.3% | $53.64M | 0.589% |
| GOOGL Alphabet Inc. | +152.6K | +7.6% | $52.51M | 3.85% |
| SNPS Synopsys Inc | +103.6K | +180.8% | $45.04M | 0.36% |
| BA Boeing Co | +238.0K | +99.2% | $44.28M | 0.458% |
| UAL United Airlines Holdings, Inc. | +385.0K | +152.0% | $42.72M | 0.364% |
| TMO Thermo Fisher Scientific Inc. | +61.7K | +53.6% | $41.67M | 0.615% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| W Wayfair Inc. | -509.2K | -100.0% | $47.06M | Exited |
| BTSGU BrightSpring Health Services, Inc. | -144.2K | -47.8% | $27.17M | 0.153% |
| VIK Viking Holdings Ltd | -240.3K | -100.0% | $25.15M | Exited |
| TSEM Tower Semiconductor Ltd | -74.7K | -100.0% | $19.48M | Exited |
| AXP American Express Co | -61.2K | -30.9% | $18.61M | 0.214% |
| JHX James Hardie Industries plc | -705.5K | -100.0% | $18.47M | Exited |
| GM General Motors Co | -237.9K | -46.2% | $18.31M | 0.11% |
| GS Goldman Sachs Group Inc | -16.2K | -9.8% | $14.59M | 0.693% |
| CFG Citizens Financial Group Inc | -197.1K | -100.0% | $13.81M | Exited |
| PFE Pfizer Inc | -481.3K | -27.4% | $13.73M | 0.187% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| CELH Celsius Holdings, Inc. | +607.8K | $16.62M | 0.086% |
| ILMN Illumina, Inc. | +54.3K | $14.86M | 0.076% |
| CPRT Copart Inc | +485.0K | $13.23M | 0.068% |
| MAN ManpowerGroup Inc. | +141.3K | $7.85M | 0.04% |
| BURL Burlington Stores, Inc. | +23.3K | $6.22M | 0.032% |
| IRT Independence Realty Trust, Inc. | +403.1K | $5.86M | 0.03% |
| JACS Jackson Acquisition Co II | +500.0K | $5.42M | 0.028% |
| CHYM Chime Financial, Inc. | +190.7K | $5.08M | 0.026% |
| TWST Twist Bioscience Corp | +26.2K | $5.07M | 0.026% |
| HNGE Hinge Health, Inc. | +49.1K | $4.78M | 0.025% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| W Wayfair Inc. | -509.2K | $47.06M | 0.262% |
| VIK Viking Holdings Ltd | -240.3K | $25.15M | 0.14% |
| TSEM Tower Semiconductor Ltd | -74.7K | $19.48M | 0.108% |
| JHX James Hardie Industries plc | -705.5K | $18.47M | 0.103% |
| CFG Citizens Financial Group Inc | -197.1K | $13.81M | 0.077% |
| AMG Affiliated Managers Group, Inc. | -35.4K | $11.99M | 0.067% |
| POLE Andretti Acquisition Corp. II | -825.0K | $8.87M | 0.049% |
| J Jacobs Solutions Inc. | -56.7K | $7.14M | 0.04% |
| NDAQ Nasdaq, Inc. | -85.9K | $6.77M | 0.038% |
| NBIS Nebius Group N.V. | -24.4K | $6.73M | 0.037% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NVDA Nvidia Corp | Technology | 7.16M | $1.63B | 8.41% | +99.0K | +1.4% | Added | 0.03% |
| 2 | AAPL Apple Inc. | Technology | 3.98M | $1.33B | 6.83% | +59.1K | +1.5% | Added | 0.03% |
| 3 | MSFT Microsoft Corp | Technology | 2.15M | $1.10B | 5.68% | +105.8K | +5.2% | Added | 0.03% |
| 4 | AMZN Amazon Com Inc | Consumer Discretionary | 3.25M | $808.94M | 4.16% | +255.2K | +8.5% | Added | 0.03% |
| 5 | GOOGL Alphabet Inc. | Technology | 2.17M | $747.37M | 3.85% | +152.6K | +7.6% | Added | 0.03% |
| 6 | META Meta Platforms, Inc. | Technology | 746.2K | $541.15M | 2.78% | +88.6K | +13.5% | Added | 0.03% |
| 7 | AVGO Broadcom Inc. | Technology | 1.43M | $502.73M | 2.59% | +56.9K | +4.1% | Added | 0.03% |
| 8 | MU Micron Technology Inc | Technology | 318.6K | $339.34M | 1.75% | +5,143 | +1.6% | Added | 0.03% |
| 9 | LLY ELI LILLY & Co | Healthcare | 289.2K | $334.66M | 1.72% | +6,231 | +2.2% | Added | 0.03% |
| 10 | AMD Advanced Micro Devices Inc | Technology | 546.5K | $334.34M | 1.72% | +5,744 | +1.1% | Added | 0.03% |
| 11 | GOOG Alphabet Inc. | Technology | 929.1K | $316.57M | 1.63% | +21.9K | +2.4% | Added | 0.01% |
| 12 | TSLA Tesla, Inc. | Consumer Discretionary | 757.1K | $268.61M | 1.38% | +10.6K | +1.4% | Added | 0.02% |
| 13 | JPM Jpmorgan Chase & Co | Financial Services | 750.6K | $248.33M | 1.28% | +42.2K | +6.0% | Added | 0.03% |
| 14 | V Visa Inc. | Financial Services | 669.4K | $240.52M | 1.24% | +7,900 | +1.2% | Added | 0.04% |
| 15 | XOM ExxonMobil Holdings Corp | Energy | 1.15M | $187.72M | 0.966% | +17.5K | +1.5% | Added | 0.03% |
Tip. Select a row to see that position’s full history at Calamos Advisors.
As of its Q3 2026 13F filing, Calamos Advisors LLC’s five largest positions were Nvidia Corp (NVDA) at 8.4%, Apple Inc. (AAPL) at 6.8%, Microsoft Corp (MSFT) at 5.7%, Amazon Com Inc (AMZN) at 4.2%, Alphabet Inc. (GOOGL) at 3.8% of the reported portfolio.
Calamos Advisors LLC reported a 13F portfolio worth $19.43B across 562 positions for Q3 2026. That is up 8.1% from the previous quarter.
Its largest purchases by value were Meta Platforms, Inc. ($64.26M), Amazon Com Inc ($63.59M), Seagate Technology Holdings plc ($55.50M). It opened 81 new positions.
Its largest sales by value were Wayfair Inc. ($47.06M), BrightSpring Health Services, Inc. ($27.17M), Viking Holdings Ltd ($25.15M). It exited 74 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.