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
MRCY icon
401
Mercury Systems
MRCY
$6.52B
$3.64M 0.01%
49,844
-4,189
-8% -$312K
WBD icon
402
Warner Bros
WBD
$67.1B
$3.61M 0.01%
+125,354
New +$2.93M
JAAA icon
403
Janus Henderson AAA CLO ETF
JAAA
$29.2B
$3.6M 0.01%
71,223
+7,010
+11% +$355K
RRX icon
404
Regal Rexnord
RRX
$11.9B
$3.58M 0.01%
25,500
+3,000
+13% +$427K
STRL icon
405
Sterling Infrastructure
STRL
$16.7B
$3.51M 0.01%
11,453
-4,071
-26% -$1.4M
BAX icon
406
Baxter International
BAX
$14.2B
$3.49M 0.01%
182,829
-7,425
-4% -$149K
ASND icon
407
Ascendis Pharma A/S
ASND
$16.8B
$3.48M 0.01%
16,300
+9,850
+153% +$2.03M
BBIO icon
408
BridgeBio Pharma
BBIO
$16.5B
$3.45M 0.01%
+45,044
New +$2.96M
CIEN icon
409
Ciena
CIEN
$58.4B
$3.43M 0.01%
14,664
-49,395
-77% -$9.58M
EPD icon
410
Enterprise Products Partners
EPD
$81.7B
$3.39M 0.01%
105,810
– –
MO icon
411
Altria Group
MO
$114B
$3.39M 0.01%
58,750
-1,390
-2% -$83.9K
HRI icon
412
Herc Holdings
HRI
$5.61B
$3.31M 0.01%
+22,340
New +$3.06M
CVNA icon
413
Carvana
CVNA
$77.9B
$3.29M 0.01%
39,025
– –
SF
414
Stifel
SF
$12.6B
$3.23M 0.01%
38,702
-15,765
-29% -$1.26M
AEIS icon
415
Advanced Energy
AEIS
$13B
$3.2M 0.01%
15,305
+3,169
+26% +$645K
MRX
416
Marex Group Limited Ordinary Shares
MRX
$4.37B
$3.19M 0.01%
+83,206
New +$2.83M
CECO icon
417
Ceco Environmental
CECO
$4.14B
$3.17M 0.01%
52,910
-4,711
-8% -$252K
NHICU
418
NewHold Investment Corp III Units
NHICU
$215M
$3.15M 0.01%
300,000
– –
PEGA icon
419
Pegasystems
PEGA
$5.38B
$3.04M 0.01%
50,829
+9,901
+24% +$580K
ALUB.U
420
Alussa Energy Acquisition Corp II Units
ALUB.U
$3.03M 0.01%
+300,000
New +$3.03M
ADPT icon
421
Adaptive Biotechnologies
ADPT
$3.97B
$2.99M 0.01%
184,024
-26,253
-12% -$428K
SGI
422
Somnigroup International
SGI
$13.7B
$2.94M 0.01%
32,937
+3,034
+10% +$265K
SGHC icon
423
SGHC Ltd
SGHC
$6.63B
$2.93M 0.01%
244,951
-81,976
-25% -$986K
TSEM icon
424
Tower Semiconductor
TSEM
$28.5B
$2.91M 0.01%
24,743
+15,079
+156% +$1.45M
AWI icon
425
Armstrong World Industries
AWI
$7.84B
$2.87M 0.01%
15,018
+4,533
+43% +$865K
15 16
17
18 19

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.