Holders — by stockHoldings — by fund
Calamos Advisors LLC
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0001316507
$30.07B
disclosed book value
948
positions
4.7%
largest position share
Positions, as of 2026-06-30
top 100 of 948 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | NVDANVIDIA CORPORATION | 7.1M | $1.41B | 4.7% |
| 2 | AAPLAPPLE INC | 3.9M | $1.14B | 3.8% |
| 3 | CBOXCALAMOS ETF TR | 10.7M | $1.08B | 3.6% |
| 4 | WDC 3 11/15/28WESTERN DIGITAL CORP | 48.7M | $825.1M | 2.7% |
| 5 | SPYSTATE STR SPDR S&P 500 ETF TPUT | 1.2M | $810.8M | 2.7% |
| 6 | MSFTMICROSOFT CORP | 2.0M | $762.8M | 2.5% |
| 7 | GOOGLALPHABET INC | 2.0M | $721.7M | 2.4% |
| 8 | AMZNAMAZON COM INC | 3.0M | $713.0M | 2.4% |
| 9 | SPYSTATE STR SPDR S&P 500 ETF TCALL | 853,300 | $554.9M | 1.8% |
| 10 | AVGOBROADCOM INC | 1.4M | $519.3M | 1.7% |
| 11 | METAMETA PLATFORMS INC | 657,623 | $370.4M | 1.2% |
| 12 | MUMICRON TECHNOLOGY INC | 313,454 | $361.8M | 1.2% |
| 13 | LLYELI LILLY & CO | 283,001 | $339.4M | 1.1% |
| 14 | GOOGALPHABET INC | 907,212 | $320.5M | 1.1% |
| 15 | AMDADVANCED MICRO DEVICES INC | 540,770 | $314.1M | 1% |
| 16 | TSLATESLA INC | 746,440 | $314.0M | 1% |
| 17 | GOOGL 6.25 05/15/29 AALPHABET INC | 4.7M | $237.3M | 0.8% |
| 18 | GOOGL 6.25 05/15/29 BALPHABET INC | 4.6M | $232.2M | 0.8% |
| 19 | JPMJPMORGAN CHASE & CO | 708,384 | $231.9M | 0.8% |
| 20 | VVISA INC | 661,467 | $226.9M | 0.8% |
| 21 | BABA 0.5 06/01/31ALIBABA GROUP HLDG LTD | 189.0M | $223.2M | 0.7% |
| 22 | AMATAPPLIED MATLS INC | 303,395 | $219.4M | 0.7% |
| 23 | QQQINVESCO QQQ TRPUT | 341,600 | $197.2M | 0.7% |
| 24 | BA 6 10/15/27BOEING CO | 2.8M | $185.4M | 0.6% |
| 25 | HPE 7.625 09/01/27HEWLETT PACKARD ENTERPRISE C | 1.6M | $183.5M | 0.6% |
| 26 | ORCL 6.5 01/15/29 DORACLE CORP | 4.0M | $178.8M | 0.6% |
| 27 | INTCINTEL CORP | 1.3M | $177.1M | 0.6% |
| 28 | EFAISHARES TRCALL | 1.7M | $168.0M | 0.6% |
| 29 | GSGOLDMAN SACHS GROUP INC | 165,711 | $167.6M | 0.6% |
| 30 | JNJJOHNSON & JOHNSON | 647,222 | $164.4M | 0.5% |
| 31 | CATCATERPILLAR INC | 150,261 | $160.0M | 0.5% |
| 32 | LRCXLAM RESEARCH CORP | 365,435 | $158.4M | 0.5% |
| 33 | EXMOCEXXON MOBIL CORP | 1.1M | $155.3M | 0.5% |
| 34 | WMTWALMART INC | 1.4M | $154.4M | 0.5% |
| 35 | MKSI 1.25 06/01/30MKS INC. | 50.8M | $149.9M | 0.5% |
| 36 | SNOW 0 10/01/29SNOWFLAKE INC | 84.0M | $148.4M | 0.5% |
| 37 | ON 0.5 03/01/29ON SEMICONDUCTOR CORP | 122.3M | $147.7M | 0.5% |
| 38 | GEVGE VERNOVA INC | 123,656 | $145.3M | 0.5% |
| 39 | CSCOCISCO SYS INC | 1.2M | $138.5M | 0.5% |
| 40 | UNHUNITEDHEALTH GROUP INC | 309,379 | $128.6M | 0.4% |
| 41 | DASH 0 05/15/30DOORDASH INC | 128.6M | $126.4M | 0.4% |
| 42 | BRK/BBERKSHIRE HATHAWAY INC DEL | 252,430 | $126.3M | 0.4% |
| 43 | BACBANK OF AMER CORP | 2.2M | $125.8M | 0.4% |
| 44 | MAMASTERCARD INCORPORATED | 238,960 | $122.7M | 0.4% |
| 45 | NET 0 06/15/30CLOUDFLARE INC | 95.4M | $121.0M | 0.4% |
| 46 | CYBR 0 06/15/30CYBERARK SOFTWARE LTD | 72.4M | $120.7M | 0.4% |
| 47 | AKAM 0.25 05/15/33AKAMAI TECHNOLOGIES INC | 78.2M | $114.3M | 0.4% |
| 48 | WFCWELLS FARGO & CO | 1.4M | $112.9M | 0.4% |
| 49 | MCHP 7.5 03/15/28MICROCHIP TECHNOLOGY INC. | 1.5M | $111.9M | 0.4% |
| 50 | PPL 7 02/15/29PPL CORP | 2.2M | $109.7M | 0.4% |
| 51 | RIVN 4.625 03/15/29RIVIAN AUTOMOTIVE INC | 91.6M | $108.6M | 0.4% |
| 52 | UBER 0.875 12/01/28 2028UBER TECHNOLOGIES INC | 89.4M | $107.3M | 0.4% |
| 53 | LINDE PLC | 206,610 | $107.2M | 0.4% |
| 54 | PMPHILIP MORRIS INTL INC | 581,825 | $105.3M | 0.4% |
| 55 | SO 7.125 12/15/28 ASOUTHERN CO | 2.1M | $105.2M | 0.3% |
| 56 | IWMISHARES TRCALL | 422,400 | $104.8M | 0.3% |
| 57 | GEGE AEROSPACE | 277,306 | $103.6M | 0.3% |
| 58 | DDOG 0 12/01/29DATADOG INC | 72.7M | $103.3M | 0.3% |
| 59 | CCITIGROUP INC | 735,465 | $102.9M | 0.3% |
| 60 | NEE 7.375 02/15/29NEXTERA ENERGY INC | 2.1M | $101.9M | 0.3% |
| 61 | ABBVABBVIE INC | 399,893 | $100.6M | 0.3% |
| 62 | NFLXNETFLIX INC. | 1.4M | $98.7M | 0.3% |
| 63 | IWMISHARES TRPUT | 382,800 | $94.9M | 0.3% |
| 64 | HDHOME DEPOT INC | 264,087 | $93.1M | 0.3% |
| 65 | MSMORGAN STANLEY | 442,354 | $92.5M | 0.3% |
| 66 | CVXCHEVRON CORPORATION | 555,706 | $92.1M | 0.3% |
| 67 | RTXRTX CORPORATION | 479,675 | $91.0M | 0.3% |
| 68 | QQQINVESCO QQQ TRCALL | 155,000 | $89.5M | 0.3% |
| 69 | EVRG 4.5 12/15/27EVERGY INC | 61.6M | $87.8M | 0.3% |
| 70 | CMS 3.375 05/01/28CMS ENERGY CORP | 76.8M | $85.9M | 0.3% |
| 71 | ETSY 1 06/15/30ETSY INC | 73.2M | $85.2M | 0.3% |
| 72 | AKAM 1.125 02/15/29AKAMAI TECHNOLOGIES INC | 70.6M | $84.2M | 0.3% |
| 73 | PANWPALO ALTO NETWORKS INC | 245,320 | $83.7M | 0.3% |
| 74 | MRKMERCK & CO INC | 650,503 | $83.6M | 0.3% |
| 75 | STX 3.5 06/01/28SEAGATE HDD CAYMAN | 6.9M | $81.2M | 0.3% |
| 76 | CSXCSX CORP | 1.7M | $80.4M | 0.3% |
| 77 | PWRQUANTA SVCS INC | 111,284 | $80.1M | 0.3% |
| 78 | SMCI 7 06/01/29SUPER MICRO COMPUTER INC | 1.5M | $78.7M | 0.3% |
| 79 | KOCOCA COLA CO | 965,562 | $78.5M | 0.3% |
| 80 | SNDKSANDISK CORP | 34,206 | $77.8M | 0.3% |
| 81 | PLTRPALANTIR TECHNOLOGIES INC | 664,009 | $77.5M | 0.3% |
| 82 | NSCNORFOLK SOUTHN CORP | 242,024 | $76.1M | 0.3% |
| 83 | COSTCOSTCO WHOLESALE CORPORATION | 80,404 | $75.2M | 0.3% |
| 84 | APO 6.75 07/31/26APOLLO GLOBAL MGMT INC | 1.2M | $75.0M | 0.2% |
| 85 | JAZZ 3.125 09/15/30JAZZ INVESTMENTS I LTD | 43.7M | $74.5M | 0.2% |
| 86 | MPCMARATHON PETE CORP | 290,934 | $74.4M | 0.2% |
| 87 | SO 3.25 06/15/28SOUTHERN CO | 70.4M | $71.2M | 0.2% |
| 88 | KKR 6.25 03/01/28 DKKR & CO INC | 1.8M | $71.0M | 0.2% |
| 89 | EFAISHARES TRPUT | 727,200 | $70.6M | 0.2% |
| 90 | PGPROCTER & GAMBLE CO | 477,265 | $70.0M | 0.2% |
| 91 | UNPUNION PAC CORP | 254,930 | $69.3M | 0.2% |
| 92 | BTSG 6.75 02/01/27BRIGHTSPRING HEALTH SVCS INC | 301,602 | $69.1M | 0.2% |
| 93 | PPL 2.875 03/15/28PPL CAP FDG INC | 60.5M | $68.7M | 0.2% |
| 94 | ALB 7.25 03/01/27ALBEMARLE CORP | 1.2M | $68.7M | 0.2% |
| 95 | EEMISHARES TRPUT | 1.2M | $68.3M | 0.2% |
| 96 | LYV 2.875 01/15/30LIVE NATION ENTERTAINMENT IN | 56.4M | $67.6M | 0.2% |
| 97 | AXPAMERICAN EXPRESS CO | 197,855 | $66.9M | 0.2% |
| 98 | RIVN 3.625 10/15/30RIVIAN AUTOMOTIVE INC | 62.0M | $66.5M | 0.2% |
| 99 | SEALTD 0.25 09/15/26SEA LTD | 66.6M | $66.0M | 0.2% |
| 100 | APHAMPHENOL CORP | 369,605 | $65.2M | 0.2% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.