Calamos Advisors LLC 13F Holdings
Calamos Advisors LLC's holdings from its Form 13F-HR filing for the quarter ended June 30, 2026, compared with the previous quarter (March 31, 2026). 13F filings list the long U.S. equity positions held by institutional investment managers with over $100 million under management.
Quarter
Q2 2026
Reported 13F value
$30.1B
Largest holding
Nvidia Corporation
Biggest Buys (Q2 2026)
| Security | Change | Value of change | % of portfolio |
|---|---|---|---|
| CALAMOS ETF TR (TAX AWA COLL ETF) | New position | $1.1B | 4.47% |
| ALPHABET INC (DEP SHS RP1/20 A) | New position | $237.3M | 0.98% |
| ALPHABET INC (DEP SHS RP1/20 B) | New position | $232.2M | 0.96% |
| ISHARES TR (MSCI EAFE ETF) | +1.07M sh | $103.5M | 0.99% |
| SUPER MICRO COMPUTER INC (7 DEP CM SR A WI) | New position | $78.7M | 0.33% |
| ISHARES INC (MSCI STH KOR ETF) | +447,300 sh | $55.1M | 0.25% |
| WAYFAIR INC (CL A) | New position | $47.1M | 0.20% |
| ROKU INC (COM CL A) | New position | $44.9M | 0.19% |
| WARNER BROS DISCOVERY INC (COM SER A) | +1.44M sh | $39.3M | 0.29% |
| INTEL CORP | +293,400 sh | $27.0M | 0.73% |
Biggest Sells (Q2 2026)
| Security | Change | Value of change | % of portfolio |
|---|---|---|---|
| NVIDIA CORPORATION | -1.13M sh | -$211.0M | 5.86% |
| STATE STR SPDR S&P 500 ETF T (TR UNIT) | -300,700 sh | -$199.0M | 5.70% |
| APPLE INC | -706,900 sh | -$191.5M | 4.87% |
| ISHARES TR (CORE S&P500 ETF) | -258,700 sh | -$181.4M | 0.04% |
| ALPHABET INC (CAP STK CL A) | -539,500 sh | -$173.9M | 3.00% |
| INVESCO QQQ TR (UNIT SER 1) | -259,200 sh | -$154.7M | 1.22% |
| ISHARES TR (S&P 500 GRWT ETF) | -1.13M sh | -$141.2M | 0.02% |
| ISHARES TR (S&P 500 VAL ETF) | -596,600 sh | -$130.7M | 0.02% |
| MICROSOFT CORP | -323,100 sh | -$120.5M | 3.26% |
| BROADCOM INC | -268,800 sh | -$92.3M | 2.17% |
Top 50 Holdings
| Security | Value | % of portfolio | Change in shares |
|---|---|---|---|
| NVIDIA CORPORATION | $1.4B | 5.86% | -13.75% |
| STATE STR SPDR S&P 500 ETF T (TR UNIT) | $1.4B | 5.70% | -12.46% |
| APPLE INC | $1.2B | 4.87% | -14.76% |
| CALAMOS ETF TR (TAX AWA COLL ETF) | $1.1B | 4.47% | New |
| MICROSOFT CORP | $786.1M | 3.26% | -13.29% |
| AMAZON COM INC | $734.0M | 3.04% | -11.18% |
| ALPHABET INC (CAP STK CL A) | $723.3M | 3.00% | -21.04% |
| BROADCOM INC | $523.9M | 2.17% | -16.21% |
| META PLATFORMS INC (CL A) | $378.6M | 1.57% | -9.81% |
| MICRON TECHNOLOGY INC | $361.8M | 1.50% | -2.72% |
| ELI LILLY & CO | $339.4M | 1.41% | -8.26% |
| ALPHABET INC (CAP STK CL C) | $320.5M | 1.33% | -9.45% |
| ADVANCED MICRO DEVICES INC | $314.7M | 1.30% | +13.36% |
| TESLA INC | $314.5M | 1.30% | -11.29% |
| INVESCO QQQ TR (UNIT SER 1) | $294.0M | 1.22% | -33.84% |
| ISHARES TR (MSCI EAFE ETF) | $238.7M | 0.99% | +77.27% |
| ALPHABET INC (DEP SHS RP1/20 A) | $237.3M | 0.98% | New |
| ALPHABET INC (DEP SHS RP1/20 B) | $232.2M | 0.96% | New |
| JPMORGAN CHASE & CO | $231.9M | 0.96% | -11.99% |
| VISA INC (COM CL A) | $226.9M | 0.94% | -13.18% |
| ISHARES TR (RUSSELL 2000 ETF) | $225.1M | 0.93% | -12.74% |
| APPLIED MATLS INC | $219.4M | 0.91% | -2.16% |
| BOEING CO (DEP CONV PFD A) | $185.4M | 0.77% | -3.78% |
| HEWLETT PACKARD ENTERPRISE C (7.625 MAND CONV) | $183.5M | 0.76% | +13.94% |
| ORACLE CORP (6.5 DEP CUM SR D) | $178.8M | 0.74% | -2.61% |
| INTEL CORP | $177.1M | 0.73% | +30.09% |
| GOLDMAN SACHS GROUP INC | $167.6M | 0.69% | -3.03% |
| JOHNSON & JOHNSON | $164.4M | 0.68% | -16.28% |
| CATERPILLAR INC | $160.0M | 0.66% | +11.57% |
| LAM RESEARCH CORP (COM NEW) | $158.4M | 0.66% | -11.55% |
| EXXON MOBIL CORP | $155.3M | 0.64% | -11.41% |
| WALMART INC | $155.1M | 0.64% | -13.03% |
| GE VERNOVA INC | $145.3M | 0.60% | -19.12% |
| CISCO SYS INC | $138.8M | 0.58% | +1.69% |
| UNITEDHEALTH GROUP INC | $128.6M | 0.53% | +23.31% |
| BERKSHIRE HATHAWAY INC DEL (CL B NEW) | $126.3M | 0.52% | -7.83% |
| BANK OF AMER CORP | $125.8M | 0.52% | -3.66% |
| MASTERCARD INCORPORATED (CL A) | $122.7M | 0.51% | -3.82% |
| WELLS FARGO & CO | $112.9M | 0.47% | -18.78% |
| MICROCHIP TECHNOLOGY INC. (DEP SHS REPSTG) | $111.9M | 0.46% | -22.24% |
| PPL CORP (UNIT 02/15/2029) | $109.7M | 0.45% | +0.04% |
| LINDE PLC | $107.2M | 0.44% | -8.93% |
| NETFLIX INC. | $105.6M | 0.44% | -16.87% |
| PHILIP MORRIS INTL INC | $105.3M | 0.44% | -1.87% |
| SOUTHERN CO (UNIT 12/15/2028) | $105.2M | 0.44% | +1.65% |
| GE AEROSPACE (COM NEW) | $103.6M | 0.43% | -4.02% |
| CITIGROUP INC (COM NEW) | $102.9M | 0.43% | +0.25% |
| NEXTERA ENERGY INC (UNIT 02/15/2029) | $101.9M | 0.42% | -0.36% |
| ABBVIE INC | $100.6M | 0.42% | -17.32% |
| HOME DEPOT INC | $93.1M | 0.39% | -19.50% |
Values are as reported in the filing, adjusted for stock splits. Ranked by market value; options and other non-equity positions may be included where the filing lists them.
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