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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
BSX icon
51
Boston Scientific
BSX
$71.5B
$83.1M 0.31%
871,657
-22,773
-3% -$2.23M
ARES.PRB
52
Ares Management Corp 6.75% Series B Preferred Stock
ARES.PRB
$1.34B
$82.7M 0.31%
1,640,609
-2,925
-0.2% -$144K
AMD icon
53
Advanced Micro Devices
AMD
$789B
$79.5M 0.3%
371,183
+17,015
+5% +$3.82M
UNH icon
54
UnitedHealth
UNH
$370B
$79.2M 0.3%
239,803
-7,080
-3% -$2.4M
MS icon
55
Morgan Stanley
MS
$340B
$78.9M 0.3%
444,534
-38,418
-8% -$6.41M
ISRG icon
56
Intuitive Surgical
ISRG
$134B
$76.9M 0.29%
135,737
+22,597
+20% +$12M
LOW icon
57
Lowe's Companies
LOW
$125B
$76.9M 0.29%
318,739
+26,482
+9% +$6.36M
C icon
58
Citigroup
C
$226B
$76.1M 0.29%
651,888
+124,655
+24% +$12.9M
COST icon
59
Costco
COST
$420B
$76M 0.29%
88,093
-7,537
-8% -$6.83M
MRK icon
60
Merck
MRK
$318B
$75.8M 0.28%
719,806
+209,606
+41% +$19.7M
AXP icon
61
American Express
AXP
$230B
$73.8M 0.28%
199,599
-4,057
-2% -$1.45M
ALB.PRA icon
62
Albemarle Corp Depositary Shares
ALB.PRA
$2.64B
$73.4M 0.28%
1,236,486
+216,721
+21% +$10.7M
CRM icon
63
Salesforce
CRM
$158B
$73.3M 0.28%
276,780
+71,745
+35% +$17.8M
NOW icon
64
ServiceNow
NOW
$129B
$72.1M 0.27%
470,517
-87,113
-16% -$14.9M
BKNG icon
65
Booking.com
BKNG
$161B
$69.2M 0.26%
323,050
-49,625
-13% -$10.2M
PG icon
66
Procter & Gamble
PG
$339B
$69M 0.26%
481,445
-12,723
-3% -$1.88M
KO icon
67
Coca-Cola
KO
$375B
$68M 0.26%
971,974
-23,663
-2% -$1.65M
SPGI icon
68
S&P Global
SPGI
$120B
$64.1M 0.24%
122,648
+16,708
+16% +$8.27M
UBER icon
69
Uber
UBER
$153B
$63.8M 0.24%
781,330
-30,460
-4% -$2.74M
UNP icon
70
Union Pacific
UNP
$174B
$63.7M 0.24%
275,352
-8,575
-3% -$1.96M
ABT icon
71
Abbott
ABT
$187B
$62.9M 0.24%
501,683
-8,840
-2% -$1.13M
LRCX icon
72
Lam Research
LRCX
$390B
$62.7M 0.24%
366,417
+29,989
+9% +$4.66M
NSC icon
73
Norfolk Southern
NSC
$75.1B
$61.4M 0.23%
212,722
-1,552
-0.7% -$449K
CSX icon
74
CSX Corp
CSX
$93.1B
$61.3M 0.23%
1,691,627
+433,253
+34% +$15.5M
DIS icon
75
Walt Disney
DIS
$181B
$59.2M 0.22%
519,957
-102,299
-16% -$11.3M
1 2
3
4 5

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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.