Q2 2026 13F · SEC CIK 1316507
Calamos Advisors LLC
Mutual fund managerFiled 2026-07-31 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $21.6B
- Reported positions
- 769
- Top holdings a year, 3 yrs
- +26.2%
- Assets under management
- $43.9B
Calamos Advisors LLC is a mutual fund manager that reported 769 positions worth $21.6B in its Q2 2026 13F, filed 2026-07-31. Its largest holdings were Nvidia Corporation (NVDA, 6.5%), Apple Inc (AAPL, 5.2%), Calamos ETF Tr (CBOX, 5.0%). A portfolio copying its top holdings returned 26.2% a year over the last 3 years, against 20.4% for the S&P 500.
Calamos Advisors LLC holdings largest 50 of 769 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| NVDANvidia Corporation | 6.5% | -13.8% | $1.4B |
| AAPLApple Inc | 5.2% | -17.9% | $1.1B |
| CBOXCalamos ETF Tr | 5.0% | — | $1.1B |
| MSFTMicrosoft Corp | 3.5% | -13.9% | $762.8M |
| GOOGLAlphabet Inc | 3.3% | -21.1% | $721.7M |
| AMZNAmazon Com Inc | 3.3% | -12.2% | $713.0M |
| AVGOBroadcom Inc | 2.4% | -16.8% | $519.3M |
| METAMeta Platforms Inc | 1.7% | -10.0% | $370.4M |
| MUMicron Technology Inc | 1.7% | -2.7% | $361.8M |
| LLYEli Lilly & Co | 1.6% | -8.3% | $339.4M |
| GOOGAlphabet Inc | 1.5% | -9.4% | $320.5M |
| AMDAdvanced Micro Devices Inc | 1.5% | +13.1% | $314.1M |
| TSLATesla Inc | 1.4% | -11.3% | $314.0M |
| GOOGMAlphabet Inc | 1.1% | — | $237.3M |
| GOOGNAlphabet Inc | 1.1% | — | $232.2M |
| JPMJpmorgan Chase & Co | 1.1% | -12.0% | $231.9M |
| VVisa Inc | 1.0% | -13.2% | $226.9M |
| AMATApplied Matls Inc | 1.0% | -1.2% | $219.4M |
| 097023204Boeing Co | 0.9% | -3.8% | $185.4M |
| 42824C208Hewlett Packard Enterprise C | 0.8% | +13.9% | $183.5M |
| 68389X204Oracle Corp | 0.8% | -2.6% | $178.8M |
| INTCIntel Corp | 0.8% | — | $177.1M |
| GSGoldman Sachs Group Inc | 0.8% | -3.0% | $167.6M |
| JNJJohnson & Johnson | 0.8% | -16.3% | $164.4M |
| CATCaterpillar Inc | 0.7% | +11.6% | $160.0M |
| LRCXLam Research Corp | 0.7% | -11.5% | $158.4M |
| XOMExxon Mobil Corp | 0.7% | -11.4% | $155.3M |
| WMTWalmart Inc | 0.7% | -13.0% | $154.4M |
| GEVGe Vernova Inc | 0.7% | -19.1% | $145.3M |
| CSCOCisco Sys Inc | 0.6% | +1.8% | $138.5M |
| UNHUnitedhealth Group Inc | 0.6% | — | $128.6M |
| BRK-BBerkshire Hathaway Inc Del | 0.6% | -7.8% | $126.3M |
| BACBank of Amer Corp | 0.6% | -3.7% | $125.8M |
| MAMastercard Incorporated | 0.6% | -3.8% | $122.7M |
| WFCWells Fargo & Co | 0.5% | -18.8% | $112.9M |
| MCHPPMicrochip Technology Inc. | 0.5% | -22.2% | $111.9M |
| PPLCPpl Corp | 0.5% | +0.0% | $109.7M |
| LINLinde PLC | 0.5% | -8.3% | $107.2M |
| PMPhilip Morris Intl Inc | 0.5% | -1.9% | $105.3M |
| SOMNSouthern Co | 0.5% | +1.6% | $105.2M |
| GEGe Aerospace | 0.5% | — | $103.6M |
| CCitigroup Inc | 0.5% | — | $102.9M |
| 65339F655NextEra Energy 7.375 15-Feb-2029 PEPS | 0.5% | -0.4% | $101.9M |
| ABBVAbbvie Inc | 0.5% | -17.3% | $100.6M |
| NFLXNetflix Inc. | 0.5% | -20.8% | $98.7M |
| HDHome Depot Inc | 0.4% | -19.5% | $93.1M |
| MSMorgan Stanley | 0.4% | -17.4% | $92.5M |
| CVXChevron Corporation | 0.4% | -19.6% | $92.1M |
| RTXRtx Corporation | 0.4% | -4.6% | $91.0M |
| PANWPalo Alto Networks Inc | 0.4% | — | $83.7M |
What Calamos Advisors LLC bought and sold in Q2 2026, against Q1 2026.
New positions
Q1 2026's filing was too long to tell new positions apart.
Added to
- Hewlett Packard Enterprise C+13.9% shares
- AMD Advanced Micro Devices Inc+13.1% shares
- CAT Caterpillar Inc+11.6% shares
Reduced
- MCHPP Microchip Technology Inc.-22.2% shares
- GOOGL Alphabet Inc-21.1% shares
- NFLX Netflix Inc.-20.8% shares
- CVX Chevron Corporation-19.6% shares
- HD Home Depot Inc-19.5% shares
- GEV Ge Vernova Inc-19.1% shares
- WFC Wells Fargo & Co-18.8% shares
- AAPL Apple Inc-17.9% shares
Left the top 50
- SPY State Str Spdr S&p 500 ETF Twas 2.2%
- IVV Ishares Trwas 0.9%
- IVW Ishares Trwas 0.6%
- IVE Ishares Trwas 0.6%
- PLTR Palantir Technologies Incwas 0.5%
- MRK Merck & Co Incwas 0.5%
- COST Costco Wholesale Corporationwas 0.4%
- Albemarle Corpwas 0.4%
Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.
How the holdings did against the S&P 500.
- 1 year
- +15.5% /yr
- S&P 500 +20.1%
- 3 years
- +26.2% /yr
- S&P 500 +20.4%
- 5 years
- +15.7% /yr
- S&P 500 +11.6%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $21.6B | 769 |
| Q1 2026 | $20.8B | 980 |
| Q4 2025 | $18.1B | 693 |
| Q3 2025 | $18.1B | 685 |
| Q2 2025 | $17.1B | 675 |
| Q1 2025 | $15.4B | 666 |
| Q4 2024 | $15.8B | 671 |
| Q3 2024 | $14.8B | 690 |
| Q2 2024 | $14.5B | 706 |
| Q1 2024 | $14.3B | 717 |
| Q4 2023 | $13.1B | 668 |
| Q3 2023 | $12.0B | 683 |
Questions about Calamos Advisors LLC's portfolio
What stocks does Calamos Advisors LLC own?
Calamos Advisors LLC's latest 13F, for Q2 2026 and filed Jul 31, 2026, lists 769 positions worth $21.6B. The largest are Nvidia Corporation (NVDA) at 6.5%, Apple Inc (AAPL) at 5.2%, Calamos ETF Tr (CBOX) at 5.0%, Microsoft Corp (MSFT) at 3.5% and Alphabet Inc (GOOGL) at 3.3%.
What did Calamos Advisors LLC buy last quarter?
In Q2 2026, Calamos Advisors LLC added Hewlett Packard Enterprise C (+13.9% shares), Advanced Micro Devices Inc (AMD) (+13.1% shares) and Caterpillar Inc (CAT) (+11.6% shares), compared with its Q1 2026 filing.
What did Calamos Advisors LLC sell last quarter?
In Q2 2026, Calamos Advisors LLC cut from its top 50 State Str Spdr S&p 500 ETF T (SPY), cut from its top 50 Ishares Tr (IVV), cut from its top 50 Ishares Tr (IVW), cut from its top 50 Ishares Tr (IVE), cut from its top 50 Palantir Technologies Inc (PLTR), Microchip Technology Inc. (MCHPP) (-22.2% shares), Alphabet Inc (GOOGL) (-21.1% shares) and Netflix Inc. (NFLX) (-20.8% shares), compared with its Q1 2026 filing.
How has Calamos Advisors LLC's portfolio performed?
A portfolio copying Calamos Advisors LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +26.2% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +15.5% against +20.1%. Over 5 years: +15.7% a year against +11.6%.
When is Calamos Advisors LLC's next 13F filing due?
13F filings are due 45 days after each quarter ends. Calamos Advisors LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does Calamos Advisors LLC manage?
Calamos Advisors LLC reported $43.9B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $21.6B.