# Calamos Advisors LLC

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1316507. Source: https://holderbook.com/funds/1316507-calamos-advisors-llc/

- Reported value: $30.1B
- Positions: 948
- Weight of the ten largest: 30.0%
- Filed: 2026-07-31

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| NVIDIA CORPORATION | [NVDA](https://holderbook.com/stocks/NVDA/) | $1.4B | 7,059,874 | 4.7% | 31 |
| STATE STR SPDR S&P 500 ETF T | [SPY](https://holderbook.com/stocks/SPY/) | $1.4B | 13,308 | 4.6% | 31 |
| APPLE INC | [AAPL](https://holderbook.com/stocks/AAPL/) | $1.2B | 3,925,539 | 3.9% | 31 |
| CALAMOS ETF TR | - | $1.1B | 10,693,254 | 3.6% | 1 |
| WESTERN DIGITAL CORP | - | $825.1M | 48,728,000 | 2.7% | 7 |
| MICROSOFT CORP | [MSFT](https://holderbook.com/stocks/MSFT/) | $786.1M | 2,045,038 | 2.6% | 31 |
| AMAZON COM INC | [AMZN](https://holderbook.com/stocks/AMZN/) | $734.0M | 2,991,600 | 2.4% | 31 |
| ALPHABET INC | [GOOGL](https://holderbook.com/stocks/GOOGL/) | $723.3M | 2,019,467 | 2.4% | 31 |
| BROADCOM INC | [AVGO](https://holderbook.com/stocks/AVGO/) | $523.9M | 1,374,612 | 1.7% | 31 |
| META PLATFORMS INC | [META](https://holderbook.com/stocks/META/) | $378.6M | 657,623 | 1.3% | 31 |
| MICRON TECHNOLOGY INC | [MU](https://holderbook.com/stocks/MU/) | $361.8M | 313,454 | 1.2% | 31 |
| ELI LILLY & CO | [LLY](https://holderbook.com/stocks/LLY/) | $339.4M | 283,001 | 1.1% | 31 |
| ALPHABET INC | [GOOG](https://holderbook.com/stocks/GOOG/) | $320.5M | 907,212 | 1.1% | 31 |
| ADVANCED MICRO DEVICES INC | [AMD](https://holderbook.com/stocks/AMD/) | $314.7M | 540,770 | 1.0% | 31 |
| TESLA INC | [TSLA](https://holderbook.com/stocks/TSLA/) | $314.5M | 746,440 | 1.0% | 26 |
| INVESCO QQQ TR | [QQQ](https://holderbook.com/stocks/QQQ/) | $294.0M | 10,040 | 1.0% | 25 |
| ISHARES TR | [EFA](https://holderbook.com/stocks/EFA/) | $238.7M | 0 | 0.8% | 8 |
| ALPHABET INC | [GOOGN](https://holderbook.com/stocks/GOOGN/) | $237.3M | 4,662,875 | 0.8% | 1 |
| ALPHABET INC | - | $232.2M | 4,615,868 | 0.8% | 1 |
| JPMORGAN CHASE & CO | [JPM](https://holderbook.com/stocks/JPM/) | $231.9M | 708,384 | 0.8% | 31 |
| VISA INC | [V](https://holderbook.com/stocks/V/) | $226.9M | 661,467 | 0.8% | 31 |
| ISHARES TR | [IWM](https://holderbook.com/stocks/IWM/) | $225.1M | 84,565 | 0.7% | 9 |
| ALIBABA GROUP HLDG LTD | - | $223.2M | 189,049,000 | 0.7% | 5 |
| APPLIED MATLS INC | [AMAT](https://holderbook.com/stocks/AMAT/) | $219.4M | 303,395 | 0.7% | 31 |
| BOEING CO | [BAPRA](https://holderbook.com/stocks/BAPRA/) | $185.4M | 2,754,965 | 0.6% | 7 |
| HEWLETT PACKARD ENTERPRISE C | [HPEPRC](https://holderbook.com/stocks/HPEPRC/) | $183.5M | 1,586,652 | 0.6% | 8 |
| ORACLE CORP | [ORCLPRD](https://holderbook.com/stocks/ORCLPRD/) | $178.8M | 3,976,804 | 0.6% | 2 |
| INTEL CORP | [INTC](https://holderbook.com/stocks/INTC/) | $177.1M | 1,268,305 | 0.6% | 31 |
| GOLDMAN SACHS GROUP INC | [GS](https://holderbook.com/stocks/GS/) | $167.6M | 165,711 | 0.6% | 31 |
| JOHNSON & JOHNSON | [JNJ](https://holderbook.com/stocks/JNJ/) | $164.4M | 647,222 | 0.5% | 31 |
| CATERPILLAR INC | [CAT](https://holderbook.com/stocks/CAT/) | $160.0M | 150,261 | 0.5% | 31 |
| LAM RESEARCH CORP | [LRCX](https://holderbook.com/stocks/LRCX/) | $158.4M | 365,435 | 0.5% | 7 |
| EXXON MOBIL CORP | [XOMXXXX](https://holderbook.com/stocks/XOMXXXX/) | $155.3M | 1,135,866 | 0.5% | 31 |
| WALMART INC | [WMT](https://holderbook.com/stocks/WMT/) | $155.1M | 1,362,951 | 0.5% | 31 |
| MKS INC. | - | $149.9M | 50,767,000 | 0.5% | 5 |
| SNOWFLAKE INC | - | $148.4M | 83,995,000 | 0.5% | 4 |
| ON SEMICONDUCTOR CORP | - | $147.7M | 122,336,000 | 0.5% | 10 |
| GE VERNOVA INC | [GEV](https://holderbook.com/stocks/GEV/) | $145.3M | 123,656 | 0.5% | 9 |
| CISCO SYS INC | [CSCO](https://holderbook.com/stocks/CSCO/) | $138.8M | 1,178,914 | 0.5% | 31 |
| UNITEDHEALTH GROUP INC | [UNH](https://holderbook.com/stocks/UNH/) | $128.6M | 309,379 | 0.4% | 31 |
| DOORDASH INC | - | $126.4M | 128,612,000 | 0.4% | 1 |
| BERKSHIRE HATHAWAY INC DEL | [BRKB](https://holderbook.com/stocks/BRKB/) | $126.3M | 252,430 | 0.4% | 31 |
| BANK OF AMER CORP | [BAC](https://holderbook.com/stocks/BAC/) | $125.8M | 2,207,262 | 0.4% | 31 |
| MASTERCARD INCORPORATED | [MA](https://holderbook.com/stocks/MA/) | $122.7M | 238,960 | 0.4% | 31 |
| CLOUDFLARE INC | - | $121.0M | 95,422,000 | 0.4% | 1 |
| CYBERARK SOFTWARE LTD | - | $120.7M | 72,437,000 | 0.4% | 1 |
| AKAMAI TECHNOLOGIES INC | - | $114.3M | 78,152,000 | 0.4% | 1 |
| WELLS FARGO & CO | [WFC](https://holderbook.com/stocks/WFC/) | $112.9M | 1,366,153 | 0.4% | 31 |
| MICROCHIP TECHNOLOGY INC. | [MCHPP](https://holderbook.com/stocks/MCHPP/) | $111.9M | 1,458,634 | 0.4% | 6 |
| PPL CORP | [PPLC](https://holderbook.com/stocks/PPLC/) | $109.7M | 2,236,184 | 0.4% | 2 |
| RIVIAN AUTOMOTIVE INC | - | $108.6M | 91,611,000 | 0.4% | 10 |
| UBER TECHNOLOGIES INC | - | $107.3M | 89,441,000 | 0.4% | 7 |
| LINDE PLC | [LIN](https://holderbook.com/stocks/LIN/) | $107.2M | 206,610 | 0.4% | 14 |
| NETFLIX INC | [NFLX](https://holderbook.com/stocks/NFLX/) | $105.6M | 1,382,807 | 0.4% | 31 |
| PHILIP MORRIS INTL INC | [PM](https://holderbook.com/stocks/PM/) | $105.3M | 581,825 | 0.4% | 31 |
| SOUTHERN CO | [SOMN](https://holderbook.com/stocks/SOMN/) | $105.2M | 2,115,625 | 0.3% | 3 |
| GE AEROSPACE | [GE](https://holderbook.com/stocks/GE/) | $103.6M | 277,306 | 0.3% | 20 |
| DATADOG INC | - | $103.3M | 72,735,000 | 0.3% | 3 |
| CITIGROUP INC | [C](https://holderbook.com/stocks/C/) | $102.9M | 735,465 | 0.3% | 31 |
| NEXTERA ENERGY INC | [NEEPRV](https://holderbook.com/stocks/NEEPRV/) | $101.9M | 2,125,337 | 0.3% | 2 |
| ABBVIE INC | [ABBV](https://holderbook.com/stocks/ABBV/) | $100.6M | 399,893 | 0.3% | 31 |
| HOME DEPOT INC | [HD](https://holderbook.com/stocks/HD/) | $93.1M | 264,087 | 0.3% | 31 |
| MORGAN STANLEY | [MS](https://holderbook.com/stocks/MS/) | $92.5M | 442,354 | 0.3% | 31 |
| CHEVRON CORPORATION | [CVX](https://holderbook.com/stocks/CVX/) | $92.1M | 555,706 | 0.3% | 31 |
| RTX CORPORATION | [RTX](https://holderbook.com/stocks/RTX/) | $91.0M | 479,675 | 0.3% | 25 |
| EVERGY INC | - | $87.8M | 61,649,000 | 0.3% | 7 |
| PALO ALTO NETWORKS INC | [PANW](https://holderbook.com/stocks/PANW/) | $86.8M | 245,320 | 0.3% | 17 |
| CMS ENERGY CORP | - | $85.9M | 76,823,000 | 0.3% | 9 |
| ETSY INC | - | $85.2M | 73,244,000 | 0.3% | 1 |
| AKAMAI TECHNOLOGIES INC | - | $84.2M | 70,576,000 | 0.3% | 8 |
| MERCK & CO INC | [MRK](https://holderbook.com/stocks/MRK/) | $83.6M | 650,503 | 0.3% | 31 |
| SEAGATE HDD CAYMAN | - | $81.2M | 6,917,000 | 0.3% | 8 |
| CSX CORP | [CSX](https://holderbook.com/stocks/CSX/) | $80.4M | 1,690,905 | 0.3% | 31 |
| QUANTA SVCS INC | [PWR](https://holderbook.com/stocks/PWR/) | $80.1M | 111,284 | 0.3% | 24 |
| SUPER MICRO COMPUTER INC | [SMCIP](https://holderbook.com/stocks/SMCIP/) | $78.7M | 1,513,992 | 0.3% | 1 |
| COCA COLA CO | [KO](https://holderbook.com/stocks/KO/) | $78.5M | 965,562 | 0.3% | 31 |
| PALANTIR TECHNOLOGIES INC | [PLTR](https://holderbook.com/stocks/PLTR/) | $77.9M | 664,009 | 0.3% | 6 |
| SANDISK CORP | [SNDK](https://holderbook.com/stocks/SNDK/) | $77.8M | 34,206 | 0.3% | 2 |
| COSTCO WHOLESALE CORPORATION | [COST](https://holderbook.com/stocks/COST/) | $76.6M | 80,404 | 0.3% | 31 |
| NORFOLK SOUTHN CORP | [NSC](https://holderbook.com/stocks/NSC/) | $76.1M | 242,024 | 0.3% | 31 |
| APOLLO GLOBAL MGMT INC | [APOPRA](https://holderbook.com/stocks/APOPRA/) | $75.0M | 1,231,216 | 0.2% | 12 |
| JAZZ INVESTMENTS I LTD | - | $74.5M | 43,700,000 | 0.2% | 4 |
| MARATHON PETE CORP | [MPC](https://holderbook.com/stocks/MPC/) | $74.4M | 290,934 | 0.2% | 31 |
| SOUTHERN CO | - | $71.2M | 70,422,000 | 0.2% | 1 |
| KKR & CO INC | [KKRPRD](https://holderbook.com/stocks/KKRPRD/) | $71.0M | 1,782,560 | 0.2% | 6 |
| WARNER BROS DISCOVERY INC | [WBD](https://holderbook.com/stocks/WBD/) | $70.0M | 1,397,567 | 0.2% | 3 |
| PROCTER & GAMBLE CO | [PG](https://holderbook.com/stocks/PG/) | $70.0M | 477,265 | 0.2% | 31 |
| UNION PAC CORP | [UNP](https://holderbook.com/stocks/UNP/) | $69.3M | 254,930 | 0.2% | 31 |
| BRIGHTSPRING HEALTH SVCS INC | [BTSGU](https://holderbook.com/stocks/BTSGU/) | $69.1M | 301,602 | 0.2% | 10 |
| PPL CAP FDG INC | - | $68.7M | 60,515,000 | 0.2% | 10 |
| ALBEMARLE CORP | [ALBPRA](https://holderbook.com/stocks/ALBPRA/) | $68.7M | 1,240,723 | 0.2% | 10 |
| ISHARES TR | [EEM](https://holderbook.com/stocks/EEM/) | $68.3M | 0 | 0.2% | 8 |
| LIVE NATION ENTERTAINMENT IN | - | $67.6M | 56,444,000 | 0.2% | 3 |
| AMERICAN EXPRESS CO | [AXP](https://holderbook.com/stocks/AXP/) | $66.9M | 197,855 | 0.2% | 31 |
| RIVIAN AUTOMOTIVE INC | - | $66.5M | 62,000,000 | 0.2% | 7 |
| SEA LTD | - | $66.0M | 66,589,000 | 0.2% | 20 |
| AMPHENOL CORP | [APH](https://holderbook.com/stocks/APH/) | $65.2M | 369,605 | 0.2% | 31 |
| LOWES COS INC | [LOW](https://holderbook.com/stocks/LOW/) | $65.0M | 294,838 | 0.2% | 31 |
| KENVUE INC | [KVUE](https://holderbook.com/stocks/KVUE/) | $64.0M | 3,351,000 | 0.2% | 3 |
| ORACLE CORP | [ORCL](https://holderbook.com/stocks/ORCL/) | $63.4M | 432,846 | 0.2% | 31 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +14.3% | +14.8% | -0.5% | 74% |
| Q1 2026 | -5.4% | -4.6% | -0.8% | 68% |
| Q4 2025 | +2.3% | +2.4% | -0.1% | 68% |
| Q3 2025 | +7.4% | +7.8% | -0.4% | 68% |
| Q2 2025 | +11.6% | +10.5% | +1.2% | 68% |
| Q1 2025 | -5.6% | -4.6% | -1.1% | 68% |
| Q4 2024 | +3.1% | +2.1% | +1.0% | 67% |
| Q3 2024 | +4.4% | +5.4% | -1.0% | 66% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $30.1B | 948 |
| Q1 2026 | $28.2B | 1,151 |
| Q4 2025 | $26.6B | 890 |
| Q3 2025 | $27.1B | 885 |
| Q2 2025 | $25.4B | 879 |
| Q1 2025 | $23.0B | 872 |
| Q4 2024 | $23.9B | 874 |
| Q3 2024 | $23.1B | 913 |
| Q2 2024 | $22.5B | 918 |
| Q1 2024 | $21.1B | 931 |
| Q4 2023 | $20.6B | 903 |
| Q3 2023 | $19.2B | 921 |