Data as of Q4 2025 (Dec 31, 2025)

Calamos Advisors LLC

โ€ขCIK: 1316507โ€ขFiling: Q4 2025

Calamos Advisors LLC, with $20.0B in AUM, is known for its concentrated, high-conviction investment strategy, currently holding 890 positions with significant stakes in tech giants like AMZN and META. Recently, the fund has made notable moves by adding NFLX and AMD, up 5530% and 937% respectively, while exiting BCLYF and WFC-PA, reflecting its focus on growth-oriented tech and semiconductor sectors.

Total AUM
$13.3B
+ $458.8M in options
QoQ Performance
-19.3%
Positions
626
+ 15 options
Top 10 Concentration
26.0%
Latest Filing
Q4 2025

Top Holdings Allocation

AMZN
AMZN5.3%
META3.2%
TSLA2.6%
LLY2.1%
GOOG2.1%
V1.8%
JPM1.7%
BA 6 10/15/271.6%

๐Ÿ“ˆ Biggest Buys

NFLX
NETFLIX INC
+80304.5%
1.1% of portfolio
NEW
0.9% of portfolio
AMD
ADVANCED MICRO DEVICES INC
+587.4%
0.6% of portfolio
NOW
SERVICENOW INC
+321.9%
0.5% of portfolio
KVUE
KENVUE INC
NEW
0.3% of portfolio

๐Ÿ“‰ Biggest Sells

SPY
SPDR S&P 500 ETF TR
-77.8%
0.6% of portfolio
EFAPUT
ISHARES TR
-50.1%
0.3% of portfolio
ORCL
ORACLE CORP
-33.6%
0.6% of portfolio
IWMCALL
ISHARES TR
-17.8%
1.0% of portfolio
MRSH
MARSH & MCLENNAN COS INC
-50.8%
0.2% of portfolio

Sector Breakdown

Other39.9%
Consumer14.8%
Financial12.1%
Technology11.3%
Healthcare8.3%
Industrial3.9%
Communication2.9%
Energy1.9%

๐Ÿšช Exited Positionssold since Q3 2025

NVDA
NVIDIA CORPORATION
SOLD
$1.4B
MSFT
MICROSOFT CORP
SOLD
$1.1B
GOOGL
ALPHABET INC
SOLD
$544.8M
AVGO
BROADCOM INC
SOLD
$462.1M
MRK
MERCK & CO INC
SOLD
$42.8M
+492 more exited positions

Changes from Q3 2025

NEW3 new positions
โ†‘58 increased
โ†“133 decreased

Historical Filings

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023