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Calamos Advisors LLC
Period ended Sep 30, 2026 · Latest filing Nov 2, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $33,495,498,309
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- NVIDIA CORPORATION · COM · 67066G104 · shares: $1,634,939,077
- CALAMOS ETF TR · TAX AWA COLL ETF · 12811T514 · shares: $1,610,990,328
- APPLE INC · COM · 037833100 · shares: $1,326,958,152
- STATE STR SPDR S&P 500 ETF T · TR UNIT · 78462F103 · shares · PUT: $1,138,002,803
- MICROSOFT CORP · COM · 594918104 · shares: $1,103,177,633
- AMAZON COM INC · COM · 023135106 · shares: $808,943,708
- ALPHABET INC · CAP STK CL A · 02079K305 · shares: $747,370,319
- STATE STR SPDR S&P 500 ETF T · TR UNIT · 78462F103 · shares · CALL: $704,278,787
- META PLATFORMS INC · CL A · 30303M102 · shares: $541,154,697
- BROADCOM INC · COM · 11135F101 · shares: $502,734,806
Reported holdings
1,023 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| NVIDIA CORPORATION | COM | 67066G104 | — | 7,158,854 shares | $1,634,939,077 |
| CALAMOS ETF TR | TAX AWA COLL ETF | 12811T514 | — | 15,828,162 shares | $1,610,990,328 |
| APPLE INC | COM | 037833100 | — | 3,984,620 shares | $1,326,958,152 |
| STATE STR SPDR S&P 500 ETF T | TR UNIT | 78462F103 | PUT | 1,523,900 shares | $1,138,002,803 |
| MICROSOFT CORP | COM | 594918104 | — | 2,150,863 shares | $1,103,177,633 |
| AMAZON COM INC | COM | 023135106 | — | 3,246,814 shares | $808,943,708 |
| ALPHABET INC | CAP STK CL A | 02079K305 | — | 2,172,083 shares | $747,370,319 |
| STATE STR SPDR S&P 500 ETF T | TR UNIT | 78462F103 | CALL | 943,100 shares | $704,278,787 |
| META PLATFORMS INC | CL A | 30303M102 | — | 746,235 shares | $541,154,697 |
| BROADCOM INC | COM | 11135F101 | — | 1,431,518 shares | $502,734,806 |
| INVESCO QQQ TR | UNIT SER 1 | 46090E103 | PUT | 631,000 shares | $464,668,400 |
| MICRON TECHNOLOGY INC | COM | 595112103 | — | 318,597 shares | $339,340,851 |
| ELI LILLY & CO | COM | 532457108 | — | 289,232 shares | $334,664,563 |
| ADVANCED MICRO DEVICES INC | COM | 007903107 | — | 546,514 shares | $334,335,405 |
| ALPHABET INC | CAP STK CL C | 02079K107 | — | 929,062 shares | $316,568,586 |
| VANGUARD INDEX FDS | S&P 500 ETF SHS | 922908363 | PUT | 460,000 shares | $315,932,600 |
| ALPHABET INC | DEP SHS RP1/20 A | 02079K404 | — | 6,262,689 shares | $307,372,776 |
| ALPHABET INC | DEP SHS RP1/20 B | 02079K602 | — | 5,665,184 shares | $274,704,772 |
| TESLA INC | COM | 88160R101 | — | 757,050 shares | $268,608,911 |
| HEWLETT PACKARD ENTERPRISE C | 7.625 MAND CONV | 42824C208 | — | 1,593,171 shares | $260,579,049 |
| LUMENTUM HLDGS INC | NOTE 0.375% 3/1 | 55024UAK5 | — | 47,906,000 principal | $250,626,467 |
| JPMORGAN CHASE & CO | COM | 46625H100 | — | 750,616 shares | $248,326,291 |
| VISA INC | COM CL A | 92826C839 | — | 669,367 shares | $240,523,644 |
| SUPER MICRO COMPUTER INC | 7 DEP CM SR A WI | 86800U500 | — | 3,461,979 shares | $237,941,817 |
| ALIBABA GROUP HLDG LTD | NOTE 0.500% 6/0 | 01609WBG6 | — | 189,562,000 principal | $237,380,910 |
| STATE STR SPDR S&P 500 ETF T | TR UNIT | 78462F103 | — | 265,479 shares | $202,462,250 |
| EXXONMOBIL HOLDINGS CORP | COM SHS | 30233Q108 | — | 1,153,410 shares | $187,717,478 |
| JOHNSON & JOHNSON | COM | 478160104 | — | 656,755 shares | $173,869,319 |
| SNOWFLAKE INC | NOTE 10/0 | 833445AD1 | — | 75,622,000 principal | $167,957,218 |
| ISHARES TR | RUSSELL 2000 ETF | 464287655 | CALL | 507,500 shares | $152,478,375 |
| CLOUDFLARE INC | NOTE 6/1 | 18915MAF4 | — | 95,306,000 principal | $150,306,140 |
| DOORDASH INC | NOTE 5/1 | 25809KAB1 | — | 154,602,000 principal | $147,651,094 |
| INTEL CORP | COM | 458140100 | — | 1,210,149 shares | $145,496,214 |
| WALMART INC | COM | 931142103 | — | 1,383,603 shares | $143,784,024 |
| APPLIED MATLS INC | COM | 038222105 | — | 279,893 shares | $143,131,682 |
| WELLS FARGO & CO | COM | 949746101 | — | 1,761,315 shares | $140,993,266 |
| GOLDMAN SACHS GROUP INC | COM | 38141G104 | — | 149,509 shares | $134,611,923 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 | — | 242,725 shares | $133,855,556 |
| BOEING CO | DEP CONV PFD A | 097023204 | — | 2,227,430 shares | $131,774,759 |
| PALANTIR TECHNOLOGIES INC | CL A | 69608A108 | — | 703,785 shares | $131,642,984 |
| CATERPILLAR INC | COM | 149123101 | — | 161,359 shares | $130,828,264 |
| ON SEMICONDUCTOR CORP | NOTE 0.500% 3/0 | 682189AU9 | — | 122,287,000 principal | $129,836,999 |
| CISCO SYS INC | COM | 17275R102 | — | 1,200,436 shares | $129,202,927 |
| ORACLE CORP | 6.5 DEP CUM SR D | 68389X204 | — | 2,919,339 shares | $129,151,557 |
| UNITEDHEALTH GROUP INC | COM | 91324P102 | — | 349,961 shares | $128,463,684 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | — | 257,641 shares | $128,292,336 |
| DUKE ENERGY CORP NEW | UNIT 08/01/2029 | 26441C881 | — | 2,666,137 shares | $128,241,190 |
| CENTERPOINT ENERGY INC | NOTE 3.000% 8/0 | 15189TBR7 | — | 128,985,000 principal | $126,918,660 |
| ISHARES TR | RUSSELL 2000 ETF | 464287655 | PUT | 418,700 shares | $125,798,415 |
| BANK OF AMER CORP | COM | 060505104 | — | 2,242,449 shares | $122,056,499 |
| LAM RESEARCH CORP | COM NEW | 512807306 | — | 370,148 shares | $121,597,319 |
| MORGAN STANLEY | COM NEW | 617446448 | — | 642,158 shares | $120,777,077 |
| PHILIP MORRIS INTL INC | COM | 718172109 | — | 630,905 shares | $120,389,292 |
| THERMO FISHER SCIENTIFIC INC | COM | 883556102 | — | 176,896 shares | $119,413,645 |
| MERCK & CO INC | COM | 58933Y105 | — | 799,616 shares | $116,192,201 |
| CHEVRON CORPORATION | COM | 166764100 | — | 566,279 shares | $115,639,835 |
| CITIGROUP INC | COM NEW | 172967424 | — | 892,058 shares | $115,503,670 |
| CYBERARK SOFTWARE LTD | NOTE 6/1 | 23248VAD7 | — | 61,548,000 principal | $115,244,322 |
| FREEPORT MCMORAN INC | CL B | 35671D857 | — | 1,633,961 shares | $114,377,270 |
| GE VERNOVA INC | COM | 36828A101 | — | 119,064 shares | $113,169,141 |
| INVESCO QQQ TR | UNIT SER 1 | 46090E103 | CALL | 152,200 shares | $112,080,080 |
| ISHARES INC | MSCI STH KOR ETF | 464286772 | PUT | 530,800 shares | $107,168,520 |
| MARATHON PETE CORP | COM | 56585A102 | — | 270,083 shares | $106,796,220 |
| ABBVIE INC | COM | 00287Y109 | — | 406,639 shares | $106,372,696 |
| DATADOG INC | NOTE 12/0 | 23804LAD5 | — | 73,077,000 principal | $105,659,111 |
| AKAMAI TECHNOLOGIES INC | NOTE 0.250% 5/1 | 00971TAQ4 | — | 78,389,000 principal | $104,351,437 |
| UBER TECHNOLOGIES INC | NOTE 0.875%12/0 | 90353TAM2 | — | 89,456,000 principal | $102,587,246 |
| PPL CORP | UNIT 02/15/2029 | 69351T866 | — | 2,238,775 shares | $100,767,263 |
| PALO ALTO NETWORKS INC | COM | 697435105 | — | 253,004 shares | $100,521,019 |
| LINDE PLC | SHS | G54950103 | — | 210,796 shares | $100,054,321 |
| UNION PAC CORP | COM | 907818108 | — | 362,831 shares | $98,737,200 |
| COCA COLA CO | COM | 191216100 | — | 1,139,244 shares | $98,066,124 |
| SOUTHERN CO | UNIT 12/15/2028 | 842587842 | — | 2,130,090 shares | $95,300,227 |
| MICROCHIP TECHNOLOGY INC. | DEP SHS REPSTG | 595017302 | — | 1,422,003 shares | $94,691,180 |
| AKAMAI TECHNOLOGIES INC | NOTE 1.125% 2/1 | 00971TAN1 | — | 84,608,000 principal | $93,494,378 |
| NETFLIX INC. | COM | 64110L106 | — | 1,336,162 shares | $92,970,152 |
| NEXTERA ENERGY INC | UNIT 02/15/2029 | 65339F655 | — | 2,131,010 shares | $91,846,531 |
| RTX CORPORATION | COM | 75513E101 | — | 487,614 shares | $90,525,539 |
| BOEING CO | COM | 097023105 | — | 477,889 shares | $88,911,248 |
| RIVIAN AUTOMOTIVE INC | NOTE 3.625%10/1 | 76954AAD5 | — | 87,750,000 principal | $88,360,740 |
| GE AEROSPACE | COM NEW | 369604301 | — | 281,436 shares | $87,889,648 |
| CSX CORP | COM | 126408103 | — | 1,858,914 shares | $86,458,090 |
| ORACLE CORP | COM | 68389X105 | — | 626,179 shares | $85,974,377 |
| NORFOLK SOUTHN CORP | COM | 655844108 | — | 274,799 shares | $84,912,891 |
| ISHARES TR | MSCI EMG MKT ETF | 464287234 | PUT | 1,202,900 shares | $82,290,389 |
| ETSY INC | NOTE 1.000% 6/1 | 29786AAQ9 | — | 73,271,000 principal | $81,036,261 |
| SHERWIN WILLIAMS CO | COM | 824348106 | — | 250,645 shares | $81,026,009 |
| SEAGATE TECHNOLOGY HLDNGS PL | ORD SHS | G7997R103 | — | 87,625 shares | $80,820,043 |
| EVERGY INC | NOTE 4.500%12/1 | 30034WAD8 | — | 61,728,000 principal | $79,229,123 |
| MKS INC. | NOTE 1.250% 6/0 | 55306NAB0 | — | 42,552,000 principal | $78,099,941 |
| CMS ENERGY CORP | NOTE 3.375% 5/0 | 125896BX7 | — | 76,859,000 principal | $77,583,780 |
| HOME DEPOT INC | COM | 437076102 | — | 268,336 shares | $76,338,909 |
| ISHARES TR | MSCI EAFE ETF | 464287465 | PUT | 727,200 shares | $75,541,536 |
| RIVIAN AUTOMOTIVE INC | NOTE 4.625% 3/1 | 76954AAB9 | — | 67,435,000 principal | $74,488,027 |
| COSTCO WHOLESALE CORPORATION | COM | 22160K105 | — | 81,689 shares | $74,364,764 |
| SALESFORCE INC | COM | 79466L302 | — | 323,742 shares | $74,321,451 |
| LYFT INC | NOTE 9/1 | 55087PAF1 | — | 77,308,000 principal | $74,198,672 |
| NEBIUS GROUP N.V. | NOTE 2.750% 9/1 | 63954QAH9 | — | 40,048,000 principal | $73,667,896 |
| JOHNSON CONTROLS INTERNATION | SHS | G51502105 | — | 478,384 shares | $71,111,782 |
| DATADOG INC | CL A COM | 23804L103 | — | 258,845 shares | $70,884,703 |