Calamos Advisors LLC
Long book
$20.77B
Q1 2026
Positions
980
Top-10 weight
33%
concentration
Last quarter
+14.3%
SPY +14.8%
Turnover
42%
of book per quarter
Strategy in plain words
auto-generated from filingsCalamos Advisors LLC is an institutional manager, running a $20.77B US long book across 980 positions.
The portfolio is moderately concentrated (top 10 ≈ 33% of the book). The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: NVIDIA CORP, APPLE INC, MICROSOFT CORP, ALPHABET INC-CL A, AMAZON.COM INC.
Over the last 9 quarters its long book ran on average 0pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+5.1%
Q2 2024
+4.9%
Q3 2024
+3.3%
Q4 2024
-5.6%
Q1 2025
+12.5%
Q2 2025
+7.8%
Q3 2025
+2.7%
Q4 2025
-5.0%
Q1 2026
+14.3%
Sector allocation
Technology 41%
Industrials 11%
Financials 9%
Consumer discretionary 9%
Healthcare 8%
Services media 5%
Utilities 5%
Other 4%
Long book by quarter
What does Calamos Advisors own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NVDA NVIDIA CORP | Technology | 8.2M | $1.43B | 6.9% | +13.5% |
| AAPL APPLE INC | Technology | 4.8M | $1.21B | 5.8% | +20.2% |
| MSFT MICROSOFT CORP | Technology | 2.4M | $879.3M | 4.2% | +11.6% |
| GOOGL ALPHABET INC-CL A | Technology | 2.6M | $735.6M | 3.5% | +12.0% |
| AMZN AMAZON.COM INC | Consumer discretionary | 3.4M | $709.3M | 3.4% | +8.5% |
| AVGO BROADCOM INC | Technology | 1.7M | $511.4M | 2.5% | +19.4% |
| META META PLATFORMS INC-CLASS A | Technology | 730.9K | $418.2M | 2.0% | +10.2% |
| TSLA TESLA INC | Industrials | 841.5K | $312.8M | 1.5% | +5.4% |
| GOOG ALPHABET INC-CL C | Technology | 1.0M | $287.4M | 1.4% | +8.4% |
| LLY ELI LILLY & CO | Healthcare | 308.5K | $283.7M | 1.4% | +13.2% |
| JPM JPMORGAN CHASE & CO | Financials | 804.9K | $236.8M | 1.1% | +12.9% |
| V VISA INC-CLASS A SHARES | Services media | 761.9K | $230.3M | 1.1% | +9.2% |
| XOM EXXON MOBIL CORP | Energy | 1.3M | $217.5M | 1.0% | +9.2% |
| WMT WALMART INC | Consumer discretionary | 1.6M | $194.8M | 0.9% | +6.0% |
| JNJ JOHNSON & JOHNSON | Healthcare | 773.1K | $189.0M | 0.9% | +18.8% |
| BA 6 10/15/27 BOEING CO/THE | — | 2.9M | $185.8M | 0.9% | -7.9% |
| ORCL ORACLE CORP | Technology | 4.1M | $183.8M | 0.9% | New |
| NFLX NETFLIX INC | Services media | 1.7M | $167.8M | 0.8% | +8.5% |
| GS GOLDMAN SACHS GROUP INC | Financials | 170.9K | $144.6M | 0.7% | +0.3% |
| CVX CHEVRON CORP | Energy | 691.3K | $143.0M | 0.7% | +12.6% |
| WFC WELLS FARGO & CO | Financials | 1.7M | $133.9M | 0.6% | -3.6% |
| GEV GE VERNOVA INC | Industrials | 152.9K | $133.5M | 0.6% | +15.9% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 273.9K | $131.2M | 0.6% | +6.5% |
| MA MASTERCARD INC - A | Services media | 248.5K | $124.1M | 0.6% | +3.2% |
| PPL PPL CORPORATION | Utilities | 2.2M | $114.7M | 0.6% | New |
| BAC BANK OF AMERICA CORP | Financials | 2.3M | $111.7M | 0.5% | -1.1% |
| LIN LINDE PLC | Materials | 225.3K | $111.7M | 0.5% | +13.7% |
| MU MICRON TECHNOLOGY INC | Technology | 322.2K | $108.9M | 0.5% | -19.2% |
| PLTR PALANTIR TECHNOLOGIES INC-A | Technology | 741.7K | $108.5M | 0.5% | +21.7% |
| HD HOME DEPOT INC | Consumer discretionary | 328.0K | $107.9M | 0.5% | +21.1% |
| NEE NEXTERA ENERGY INC | Utilities | 2.1M | $107.1M | 0.5% | New |
| SO SOUTHERN CO | Utilities | 2.1M | $107.0M | 0.5% | -16.3% |
| MCHP MICROCHIP TECHNOLOGY INC | Technology | 1.9M | $106.9M | 0.5% | +11.4% |
| ABBV ABBVIE INC | Healthcare | 483.7K | $105.2M | 0.5% | +3.7% |
| AMAT APPLIED MATERIALS INC | Technology | 307.1K | $105.0M | 0.5% | +41.7% |
| PM PHILIP MORRIS INTERNATIONAL | Consumer staples | 592.9K | $98.0M | 0.5% | +5.9% |
| AMD ADVANCED MICRO DEVICES | Technology | 477.9K | $97.2M | 0.5% | +28.8% |
| RTX RTX CORP | Industrials | 503.0K | $97.0M | 0.5% | +3.7% |
| CAT CATERPILLAR INC | Industrials | 134.7K | $95.4M | 0.5% | +40.7% |
| MRK MERCK & CO. INC. | Healthcare | 777.7K | $93.5M | 0.5% | +8.0% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 91.0K | $90.7M | 0.4% | +3.3% |
| CSCO CISCO SYSTEMS INC | Technology | 1.2M | $89.9M | 0.4% | +2.5% |
| HPE 7.625 09/01/27 HP ENTERPRISE CO | — | 1.4M | $89.8M | 0.4% | -26.3% |
| ALB ALBEMARLE CORP | Materials | 1.2M | $89.7M | 0.4% | +0.9% |
| LRCX LAM RESEARCH CORP | Industrials | 413.2K | $88.3M | 0.4% | +12.8% |
| MS MORGAN STANLEY | Financials | 535.7K | $88.2M | 0.4% | +20.5% |
| C CITIGROUP INC | Financials | 733.6K | $83.2M | 0.4% | +12.5% |
| GE GENERAL ELECTRIC | Industrials | 288.9K | $82.0M | 0.4% | +4.9% |
| MPC MARATHON PETROLEUM CORP | Energy | 319.2K | $77.9M | 0.4% | +1.9% |
| AXP AMERICAN EXPRESS CO | Financials | 253.1K | $76.6M | 0.4% | +26.8% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 4, 2026 | 1269 | $28.22B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 29, 2026 | 997 | $26.63B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 20, 2025 | 1003 | $27.08B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 8, 2025 | 991 | $25.41B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 29, 2025 | 987 | $22.97B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 24, 2025 | 1059 | $23.91B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 7, 2024 | 1072 | $23.13B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Jul 25, 2024 | 1087 | $22.52B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 8, 2024 | 1097 | $21.11B | canonical | SEC ↗ |
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