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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
MQY icon
651
BlackRock MuniYield Quality Fund
MQY
$817M
$257K ﹤0.01%
+22,762
New +$261K
HFRO
652
Highland Opportunities and Income Fund
HFRO
$407M
$256K ﹤0.01%
42,776
+10,404
+32% +$65.2K
OBAWU
653
Oxley Bridge Acquisition Ltd Unit
OBAWU
$252K ﹤0.01%
24,642
– –
FEIM icon
654
Frequency Electronics
FEIM
$816M
$251K ﹤0.01%
+4,668
New +$172K
FIGXU
655
FIGX Capital Acquisition Corp Units
FIGXU
$140M
$250K ﹤0.01%
24,640
– –
IFN
656
Aberdeen India Fund
IFN
$504M
$250K ﹤0.01%
18,202
-24,593
-57% -$358K
MBVIU
657
M3-Brigade Acquisition VI Corp Units
MBVIU
$249K ﹤0.01%
24,606
– –
SPYG icon
658
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$54.5B
$248K ﹤0.01%
2,326
– –
ITHAU
659
ITHAX Acquisition Corp III Units
ITHAU
$245K ﹤0.01%
+24,573
New +$245K
IWB icon
660
iShares Russell 1000 ETF
IWB
$50.1B
$243K ﹤0.01%
651
-205
-24% -$75.9K
ACP
661
abrdn Income Credit Strategies Fund
ACP
$637M
$241K ﹤0.01%
44,582
+10,845
+32% +$59.7K
MDXH icon
662
MDxHealth
MDXH
$23.7M
$241K ﹤0.01%
67,452
+1,949
+3% +$7.7K
CURI icon
663
CuriosityStream
CURI
$161M
$232K ﹤0.01%
60,930
-91,159
-60% -$406K
SIBN icon
664
SI-BONE Inc
SIBN
$834M
$226K ﹤0.01%
11,484
+1,465
+15% +$25.4K
KSA icon
665
iShares MSCI Saudi Arabia ETF
KSA
$621M
$224K ﹤0.01%
6,150
– –
QQQ icon
666
Invesco QQQ Trust
QQQ
$484B
$221K ﹤0.01%
360
+5
+1% +$3.07K
IEFA icon
667
iShares Core MSCI EAFE ETF
IEFA
$196B
$212K ﹤0.01%
2,373
– –
LZM.WS icon
668
Lifezone Metals Ltd Warrants
LZM.WS
$29.5M
$205K ﹤0.01%
500,000
– –
NUAIW
669
New Era Energy & Digital Inc Warrants
NUAIW
$14.4M
$205K ﹤0.01%
250,000
– –
AISPW
670
Airship AI Holdings Warrants
AISPW
$15.2M
$200K ﹤0.01%
250,000
– –
RDZNW icon
671
Roadzen Inc Warrants
RDZNW
$8.64M
$172K ﹤0.01%
625,000
– –
QETA icon
672
Quetta Acquisition Corp
QETA
$168K ﹤0.01%
14,770
– –
DNN icon
673
Denison Mines
DNN
$2.91B
$151K ﹤0.01%
+56,800
New +$155K
OPTU
674
Optimum Communications Inc
OPTU
$301M
$136K ﹤0.01%
82,405
– –
FUSE
675
Fusemachines Inc
FUSE
$24.8M
$124K ﹤0.01%
+75,000
New +$155K
25 26
27
28 29

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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.