We are live on ! Find out more
Calamos Advisors

Calamos Advisors Portfolio holdings

AUM $30.1B
1-Year Est. Return 30.03%
This Fund
S&P 500
This Quarter Est. Return
+3.53%
1 Year Est. Return
+30.03%
3 Year Est. Return
+88.6%
5 Year Est. Return
+115.14%
10 Year Est. Return
+349.12%
AUM
$26.6B
AUM Growth
-$451M
Cap. Flow
-$6.98B
Cap. Flow %
-26.2%
Top 10 Hldgs %
27.19%
Holding
1,021
New
103
Increased
183
Reduced
320
Closed
97

Top Buys

Rank Stock Value
1
SOMN
The Southern Company 2025 Series A Corp Units
SOMN
+$123M
2
KVUE icon
Kenvue
KVUE
+$44.1M
3
IQV icon
IQVIA
IQV
+$29.9M
4
IWM icon
iShares Russell 2000 ETF
IWM
+$20.8M
5
HOUS
Anywhere Real Estate
HOUS
+$20.6M

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$99.2M
2
ORCL icon
Oracle
ORCL
+$51.7M
3
NVDA icon
NVIDIA
NVDA
+$48.6M
4
K
Kellanova
K
+$39M
5
MSFT icon
Microsoft
MSFT
+$34.6M

Sector Composition

Rank Sector Weight
1 Technology 21.94%
2 Financials 7.55%
3 Communication Services 7.22%
4 Consumer Discretionary 6.94%
5 Healthcare 6.12%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
NEE.PRT
151
NextEra Energy 7.234% Corporate Units
NEE.PRT
$1.45B
$24.6M 0.09%
503,936
+1,197
+0.2% +$59.8K
EQT icon
152
EQT Corp
EQT
$32.3B
$24.5M 0.09%
457,876
-924
-0.2% -$51.9K
MRSH
153
Marsh
MRSH
$91.5B
$24.4M 0.09%
131,672
-136,084
-51% -$25.4M
CMCSA icon
154
Comcast
CMCSA
$90B
$23.7M 0.09%
794,217
-32,201
-4% -$919K
URI icon
155
United Rentals
URI
$72.4B
$23.7M 0.09%
29,267
+6,308
+27% +$5.48M
PCG.PRX
156
PG&E Corp 6.000% Series A Preferred Stock
PCG.PRX
$1.38B
$23.6M 0.09%
575,218
+1,148
+0.2% +$47.1K
DE icon
157
Deere & Co
DE
$168B
$23.6M 0.09%
50,619
-1,979
-4% -$929K
AMP icon
158
Ameriprise Financial
AMP
$48.8B
$23.4M 0.09%
47,746
-1,938
-4% -$920K
CL icon
159
Colgate-Palmolive
CL
$74.4B
$22.9M 0.09%
289,808
-16,145
-5% -$1.27M
AMGN icon
160
Amgen
AMGN
$222B
$22.8M 0.09%
69,748
-2,821
-4% -$895K
HCA icon
161
HCA Healthcare
HCA
$89.5B
$22.6M 0.08%
48,373
-1,964
-4% -$912K
SNOW icon
162
Snowflake
SNOW
$115B
$22.5M 0.08%
102,406
+1,997
+2% +$487K
A icon
163
Agilent Technologies
A
$41.2B
$22.3M 0.08%
163,570
-6,642
-4% -$955K
COP icon
164
ConocoPhillips
COP
$141B
$22.2M 0.08%
237,224
-9,633
-4% -$871K
AJG icon
165
Arthur J. Gallagher & Co
AJG
$63.6B
$22.1M 0.08%
85,528
-3,108
-4% -$823K
MMM icon
166
3M
MMM
$94.3B
$21.9M 0.08%
137,078
-10,907
-7% -$1.78M
MDLZ icon
167
Mondelez International
MDLZ
$79.9B
$21.9M 0.08%
407,257
-16,537
-4% -$952K
ANET icon
168
Arista Networks
ANET
$238B
$21.8M 0.08%
166,048
-70,784
-30% -$9.74M
CBOE icon
169
Cboe Global Markets
CBOE
$29.9B
$21.3M 0.08%
84,667
-3,438
-4% -$855K
ORLY icon
170
O'Reilly Automotive
ORLY
$76.3B
$21.2M 0.08%
232,120
-9,425
-4% -$921K
WELL icon
171
Welltower
WELL
$171B
$21.1M 0.08%
113,656
-4,615
-4% -$862K
MDB icon
172
MongoDB
MDB
$32.1B
$20.9M 0.08%
49,859
+3,503
+8% +$1.27M
IWM icon
173
iShares Russell 2000 ETF
IWM
$83B
$20.8M 0.08%
+84,565
New +$20.8M
BNY
174
Bank of New York Mellon
BNY
$107B
$20.7M 0.08%
178,228
-7,220
-4% -$799K
DUK icon
175
Duke Energy
DUK
$97.3B
$20.1M 0.08%
171,685
-6,972
-4% -$851K
5 6
7
8 9

Similar funds

William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Eagle Capital Management (New York)
Eagle Capital Management (New York) New York $29.8B AUM 12.13% 1-Year Est. Return
State of Tennessee, Department of Treasury
State of Tennessee, Department of Treasury Nashville, Tennessee $29.8B AUM 29.48% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $30.6B AUM 57.44% 1-Year Est. Return
Ohio Public Employees Retirement System (OPERS)
Ohio Public Employees Retirement System (OPERS) Columbus, Ohio $30.9B AUM 29.72% 1-Year Est. Return
Coatue Management
Coatue Management New York $29.1B AUM 96.54% 1-Year Est. Return

Calamos Advisors's Q4 2025 Portfolio in Review

As of Q4 2025, Calamos Advisors held 1,021 positions worth $26.6B, down 1.7% from $27.1B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

Calamos Advisors withdrew a net $6.98B in Q4 2025, closing 97 positions and reducing 320 holdings. Its most notable exit was Kellanova, an estimated $39M position sold in full.

By sector, the portfolio is most concentrated in Technology at 22% of assets, down from 22% a quarter earlier, followed by Financials and Communication Services.

Against the trend, Calamos Advisors opened a new position in The Southern Company 2025 Series A Corp Units worth $125M.

  • Calamos Advisors's largest Q4 2025 buy was The Southern Company 2025 Series A Corp Units: 2,485,706 shares worth $125M.
  • Calamos Advisors added most to IQVIA in Q4 2025, an estimated $29.9M increase.
  • Calamos Advisors's biggest Q4 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $99.2M.
  • Calamos Advisors fully exited Kellanova in Q4 2025, selling an estimated $39M.
  • Calamos Advisors's ten largest holdings make up 27% of its $26.6B portfolio in Q4 2025.
  • Calamos Advisors opened 103 new positions and closed 97 in Q4 2025.
  • Calamos Advisors's portfolio value fell 1.7% quarter-over-quarter to $26.6B.

Based on Calamos Advisors's 13F filing for Q4 2025, filed 29 Jan 2026.