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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
IRTC icon
776
iRhythm Holdings
IRTC
$4.2B
– –
-7,494
Closed -$1.29M
ISRL
777
DELISTED
Israel Acquisitions Corp
ISRL
– –
-30,000
Closed -$378K
ISRLW
778
DELISTED
Israel Acquisitions Corp Warrant
ISRLW
– –
-30,000
Closed -$5.47K
K
779
DELISTED
Kellanova
K
– –
-475,515
Closed -$39M
KTOS icon
780
Kratos Defense & Security Solutions
KTOS
$11.4B
– –
-17,368
Closed -$1.59M
LEU icon
781
Centrus Energy
LEU
$3.82B
– –
-2,500
Closed -$775K
LINC icon
782
Lincoln Educational Services
LINC
$1.3B
– –
-55,357
Closed -$1.3M
MANH icon
783
Manhattan Associates
MANH
$11.4B
– –
-2,309
Closed -$473K
MCN
784
Madison Covered Call & Equity Strategy Fund
MCN
$118M
– –
-92,174
Closed -$569K
MIRM icon
785
Mirum Pharmaceuticals
MIRM
$6.14B
– –
-43,250
Closed -$3.17M
MOD icon
786
Modine Manufacturing
MOD
$10.4B
– –
-8,582
Closed -$1.22M
NE icon
787
Noble Corp
NE
$6.51B
– –
-86,428
Closed -$2.44M
NETD
788
DELISTED
Nabors Energy Transition Corp II
NETD
– –
-100,000
Closed -$1.12M
NETDW
789
DELISTED
Nabors Energy Transition Corp II Warrant
NETDW
– –
-50,000
Closed -$13.6K
NIOBW
790
NioCorp Developments Ltd Warrant
NIOBW
$79.3M
– –
-177,835
Closed -$320K
NTES icon
791
CALL
NetEase
NTES
$84.7B
– –
-9,400
Closed -$1.27M
NVO
792
CALL
Novo Nordisk
NVO
$209B
– –
-64,800
Closed -$4.47M
ODD icon
793
CALL
ODDITY Tech
ODD
$651M
– –
-103,100
Closed -$7.78M
ODD icon
794
ODDITY Tech
ODD
$651M
– –
-32,720
Closed -$2.04M
PDD icon
795
CALL
Pinduoduo
PDD
$131B
– –
-78,000
Closed -$8.16M
PGR icon
796
Progressive
PGR
$125B
– –
-31,918
Closed -$7.88M
PKX icon
797
CALL
POSCO
PKX
$17.5B
– –
-23,300
Closed -$1.13M
PRIM icon
798
Primoris Services
PRIM
$4.45B
– –
-26,968
Closed -$3.7M
PWP icon
799
Perella Weinberg Partners
PWP
$1.3B
– –
-79,562
Closed -$1.7M
SE icon
800
Sea Limited
SE
$69.5B
– –
-44,481
Closed -$7.95M
30 31
32
33 34

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State of Tennessee, Department of Treasury
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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.