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Q1 2026 · 13F Filing

Calamos Advisors LLC

Period2026.01.01 ~ 2026.03.31
Filed2026.05.04
Filing
Current Portfolio
$28.22B
Reported total portfolio value per 13F filing
Previous Portfolio
$26.63B
Change
+6.01%

Holdings

Scroll
#Company% of PortfolioActivity
Market Value
SharesChangeSector
1
NVIDIA CORPORATION
NVDA
NVIDIA CORPORATION
5.06%
Increased
$1.43B
8,185,587
+970,691
Electronic Technology
2
APPLE INC
AAPL
APPLE INC
4.30%
Increased
$1.21B
4,778,795
+803,737
Electronic Technology
3
MICROSOFT CORP
MSFT
MICROSOFT CORP
3.12%
Increased
$879M
2,375,507
+247,258
Technology
4
ALPHABET INC
GOOGL
ALPHABET INC
2.61%
Increased
$736M
2,558,213
+273,146
Communication Services
5
AMAZON COM INC
AMZN
AMAZON COM INC
2.51%
Increased
$709M
3,405,860
+265,497
Consumer Cyclical
6
STATE STR SPDR S&P 500 ETF T
SPYPUT
STATE STR SPDR S&P 500 ETF T
2.17%
Reduced
$614M
900,200
-26,200
Equity ETF
7
STATE STR SPDR S&P 500 ETF T
SPYCALL
STATE STR SPDR S&P 500 ETF T
1.95%
Increased
$552M
808,800
+198,400
Equity ETF
8
BROADCOM INC
AVGO
BROADCOM INC
1.81%
Increased
$511M
1,652,420
+268,506
Technology
9
STATE STR SPDR S&P 500 ETF T
SPY
STATE STR SPDR S&P 500 ETF T
1.62%
Increased
$459M
705,103
+574,836
Equity ETF
10
META PLATFORMS INC
META
META PLATFORMS INC
1.48%
Increased
$418M
730,902
+67,751
Communication Services

Portfolio Changes

Buy Positions

New Buy

  • ORACLE CORP
    ORACLE CORP

    Current 0.65%

    +4,083,470Shares

  • PPL CORP
    PPL CORP

    Current 0.41%

    +2,235,357Shares

  • NEXTERA ENERGY INC
    NEXTERA ENERGY INC

    Current 0.38%

    +2,132,972Shares

  • ISHARES TR
    EFAISHARES TR

    Current 0.24%

    +700,000Shares

Additional Buy

  • NVIDIA CORPORATION
    NVDANVIDIA CORPORATION

    +13.45%

    +970,691Shares

  • APPLE INC
    AAPLAPPLE INC

    +20.22%

    +803,737Shares

  • MICROSOFT CORP
    MSFTMICROSOFT CORP

    +11.62%

    +247,258Shares

  • ALPHABET INC
    GOOGLALPHABET INC

    +11.95%

    +273,146Shares

  • AMAZON COM INC
    AMZNAMAZON COM INC

    +8.45%

    +265,497Shares

Sell Positions

Full Exit

  • HAEMONETICS CORP MASS
    HAEMONETICS CORP MASS

    Full Exit

    0Shares

  • GENIUS SPORTS LIMITED
    GENIGENIUS SPORTS LIMITED

    Full Exit

    0Shares

  • DOUBLELINE YIELD OPPORTUNITI
    DLYDOUBLELINE YIELD OPPORTUNITI

    Full Exit

    0Shares

  • PAYMENTUS HOLDINGS INC
    PAYPAYMENTUS HOLDINGS INC

    Full Exit

    0Shares

  • MEDTRONIC PLC
    MDTMEDTRONIC PLC

    Full Exit

    0Shares

Partial Exit

  • STATE STR SPDR S&P 500 ETF T
    SPYSTATE STR SPDR S&P 500 ETF T

    -2.83%

    -26,200Shares

  • WESTERN DIGITAL CORP
    WDC 3 11/15/28WESTERN DIGITAL CORP

    -27.21%

    -20,793,000Shares

  • INVESCO QQQ TR
    QQQINVESCO QQQ TR

    -20.88%

    -140,600Shares

  • ALIBABA GROUP HLDG LTD
    BABA 0.5 06/01/31ALIBABA GROUP HLDG LTD

    -1.60%

    -3,065,000Shares

  • BOEING CO
    BA 6 10/15/27BOEING CO

    -7.93%

    -246,568Shares