Calamos Advisors LLC 13F holdings
Calamos Advisors LLC reported 699 positions with a total reported value of $21.6B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-07-31. Top holdings by reported value: GOOGL ALPHABET INC (7.0%), NVDA NVIDIA CORPORATION (6.5%), CALAMOS ETF TR (5.6%), AAPL APPLE INC (5.2%), MSFT MICROSOFT CORP (3.5%). Against 2026-03-31 it opened 105 new positions and exited 248. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 699 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| GOOGL ALPHABET INC | 12,205,422 | $1.5B | 7.0% |
| NVDA NVIDIA CORPORATION | 7,059,874 | $1.4B | 6.5% |
| CALAMOS ETF TR | 15,404,435 | $1.2B | 5.6% |
| AAPL APPLE INC | 3,925,539 | $1.1B | 5.2% |
| MSFT MICROSOFT CORP | 2,045,038 | $762.8M | 3.5% |
| AMZN AMAZON COM INC | 2,991,600 | $713.0M | 3.3% |
| AVGO BROADCOM INC | 1,374,612 | $519.3M | 2.4% |
| META META PLATFORMS INC | 657,623 | $370.4M | 1.7% |
| MU MICRON TECHNOLOGY INC | 313,454 | $361.8M | 1.7% |
| LLY ELI LILLY & CO | 283,001 | $339.4M | 1.6% |
| AMD ADVANCED MICRO DEVICES INC | 540,770 | $314.1M | 1.5% |
| TSLA TESLA INC | 746,440 | $314.0M | 1.5% |
| ORCL ORACLE CORP | 4,409,650 | $242.2M | 1.1% |
| BA BOEING CO | 2,994,835 | $237.3M | 1.1% |
| JPM JPMORGAN CHASE & CO | 708,384 | $231.9M | 1.1% |
| NEE NEXTERA ENERGY INC | 4,354,277 | $231.6M | 1.1% |
| V VISA INC | 661,467 | $226.9M | 1.0% |
| APPLIED MATLS INC | 303,395 | $219.4M | 1.0% |
| HPE HEWLETT PACKARD ENTERPRISE C | 1,586,652 | $183.5M | 0.8% |
| INTC INTEL CORP | 1,268,305 | $177.1M | 0.8% |
| GS GOLDMAN SACHS GROUP INC | 165,711 | $167.6M | 0.8% |
| JNJ JOHNSON & JOHNSON | 647,222 | $164.4M | 0.8% |
| BAC BANK OF AMER CORP | 2,234,987 | $160.6M | 0.7% |
| CAT CATERPILLAR INC | 150,261 | $160.0M | 0.7% |
| LRCX LAM RESEARCH CORP | 365,435 | $158.4M | 0.7% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 105 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| W WAYFAIR INC | 509,226 | $47.1M | 0.2% |
| ROKU ROKU INC | 325,000 | $44.9M | 0.2% |
| TXNM TXNM ENERGY INC | 380,686 | $21.6M | <0.1% |
| HONA HONEYWELL AEROSPACE INC | 79,142 | $17.5M | <0.1% |
| CITIZENS FINL GROUP INC | 197,090 | $13.8M | <0.1% |
| COHR COHERENT CORP | 32,277 | $12.7M | <0.1% |
| CMI CUMMINS INC | 11,621 | $8.3M | <0.1% |
| FLEX FLEX LTD | 51,124 | $8.3M | <0.1% |
| CACI INTL INC | 16,700 | $7.7M | <0.1% |
| QLEP QUANTUM LEAP ACQUISITION COR | 1,500,000 | $7.5M | <0.1% |
| XMTR XOMETRY INC | 76,014 | $7.3M | <0.1% |
| NBIS NEBIUS GROUP N.V. | 24,379 | $6.7M | <0.1% |
| GSRV GSR V ACQUISITION CORP | 585,000 | $5.9M | <0.1% |
| ARROW ELECTRS INC | 27,256 | $5.8M | <0.1% |
| SGHC SUPER GROUP SGHC LIMITED | 375,986 | $5.1M | <0.1% |
| BFLY BUTTERFLY NETWORK INC | 584,090 | $4.9M | <0.1% |
| OTAI STARLINK AI ACQUISITION CORP | 445,959 | $4.5M | <0.1% |
| AXGN AXOGEN INC | 95,146 | $4.4M | <0.1% |
| FROG JFROG LTD | 44,811 | $4.1M | <0.1% |
| CCAQ COLLECTIVE ACQUISITION CORP | 400,000 | $4.0M | <0.1% |
| DBRG DIGITALBRIDGE GROUP INC | 232,624 | $3.7M | <0.1% |
| AXSM AXSOME THERAPEUTICS INC. | 14,699 | $3.6M | <0.1% |
| ARCL ARC GROUP ACQUISITION I CORP | 345,000 | $3.6M | <0.1% |
| HUNT J B TRANS SVCS INC | 11,532 | $3.3M | <0.1% |
| VECA VERNAL CAP ACQUISITION CORP | 300,000 | $3.2M | <0.1% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 248 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| CLEARWATER ANALYTICS HLDGS I | 1,377,682 | $32.6M | 0.2% |
| BP BP PLC | 475,000 | $22.3M | 0.1% |
| MCO MOODYS CORP | 24,196 | $10.6M | <0.1% |
| ZBRA ZEBRA TECHNOLOGIES CORPORATI | 44,488 | $9.3M | <0.1% |
| BAH BOOZ ALLEN HAMILTON HLDG COR | 117,000 | $9.1M | <0.1% |
| NET CLOUDFLARE INC | 34,768 | $7.2M | <0.1% |
| LIVE OAK ACQUISITION CORP V | 600,000 | $7.0M | <0.1% |
| AZN ASTRAZENECA PLC | 33,768 | $6.7M | <0.1% |
| CF CF INDUSTRIES HOLD | 50,603 | $6.6M | <0.1% |
| CCJ CAMECO CORP | 59,794 | $6.5M | <0.1% |
| NU NU HLDGS LTD | 436,531 | $6.3M | <0.1% |
| BABA ALIBABA GROUP HLDG LTD | 49,612 | $6.2M | <0.1% |
| SELECT SECTOR SPDR TR | 69,331 | $5.9M | <0.1% |
| IX ORIX CORP | 163,340 | $4.9M | <0.1% |
| TASK TASKUS INC | 725,086 | $4.9M | <0.1% |
| BKR BAKER HUGHES COMPANY | 74,000 | $4.5M | <0.1% |
| TM TOYOTA MOTOR CORP | 20,763 | $4.3M | <0.1% |
| AGI ALAMOS GOLD INC | 87,381 | $3.9M | <0.1% |
| KB FINL GROUP INC | 38,525 | $3.8M | <0.1% |
| SN SHARKNINJA INC | 34,018 | $3.6M | <0.1% |
| ASND ASCENDIS PHARMA A/S | 15,390 | $3.5M | <0.1% |
| FLS FLOWSERVE CORP | 47,150 | $3.5M | <0.1% |
| TATT TAT TECHNOLOGIES LTD | 84,223 | $3.4M | <0.1% |
| VEEV VEEVA SYS INC | 18,930 | $3.3M | <0.1% |
| PTON PELOTON INTERACTIVE INC | 725,284 | $3.1M | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| GOOGL ALPHABET INC | 3,560,084 | 12,205,422 | +242.8% | $1.5B |
| CALAMOS ETF TR | 7,682,322 | 15,404,435 | +100.5% | $1.2B |
| SMCI SUPER MICRO COMPUTER INC | 76,130 | 1,588,732 | +1,986.9% | $80.9M |
| BKNG BOOKING HOLDINGS INC | 10,686 | 258,943 | +2,323.2% | $46.2M |
| INTC INTEL CORP | 974,948 | 1,268,305 | +30.1% | $177.1M |
| AMD ADVANCED MICRO DEVICES INC | 477,928 | 540,770 | +13.1% | $314.1M |
| MRVL MARVELL TECHNOLOGY INC | 20,330 | 124,799 | +513.9% | $37.2M |
| AES AES CORP | 1,661,824 | 3,438,138 | +106.9% | $50.4M |
| SNDK SANDISK CORP | 23,165 | 34,206 | +47.7% | $77.8M |
| UNH UNITEDHEALTH GROUP INC | 250,888 | 309,379 | +23.3% | $128.6M |
| HPE HEWLETT PACKARD ENTERPRISE C | 1,392,504 | 1,586,652 | +13.9% | $183.5M |
| CBOE CBOE GLOBAL MKTS INC | 802 | 83,302 | +10,286.8% | $20.2M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| ISHARES TR | 4,678,510 | 246,666 | -94.7% | $54.0M |
| SPY STATE STR SPDR S&P 500 ETF T | 705,103 | 13,308 | -98.1% | $9.9M |
| AAPL APPLE INC | 4,778,795 | 3,925,539 | -17.9% | $1.1B |
| NVDA NVIDIA CORPORATION | 8,185,587 | 7,059,874 | -13.8% | $1.4B |
| MSFT MICROSOFT CORP | 2,375,507 | 2,045,038 | -13.9% | $762.8M |
| AVGO BROADCOM INC | 1,652,420 | 1,374,612 | -16.8% | $519.3M |
| AMZN AMAZON COM INC | 3,405,860 | 2,991,600 | -12.2% | $713.0M |
| FIDELITY COVINGTON TRUST | 1,869,634 | 68,535 | -96.3% | $3.1M |
| VICTORY PORTFOLIOS II | 1,333,192 | 56,929 | -95.7% | $2.7M |
| META META PLATFORMS INC | 730,902 | 657,623 | -10.0% | $370.4M |
| TSLA TESLA INC | 841,450 | 746,440 | -11.3% | $314.0M |
| ANET ARISTA NETWORKS INC | 526,164 | 307,502 | -41.6% | $52.2M |
CIK 1316507 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
More 13F data
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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