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Calamos Advisors

Calamos Advisors Portfolio holdings

AUM $28.2B
1-Year Est. Return 21.78%
This Fund
S&P 500
This Quarter Est. Return
-2.52%
1 Year Est. Return
+21.78%
3 Year Est. Return
+69.57%
5 Year Est. Return
+92%
10 Year Est. Return
+282.63%
AUM
$23B
AUM Growth
-$937M
Cap. Flow
-$5.6B
Cap. Flow %
-24.36%
Top 10 Hldgs %
25.24%
Holding
1,013
New
110
Increased
320
Reduced
162
Closed
109

Top Buys

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$409M
2
KKR.PRD
KKR & Co 6.25% Series D Preferred Stock
KKR.PRD
+$70.7M
3
MCHPP
Microchip Technology Inc 7.50% Series A Preferred Stock
MCHPP
+$58.2M
4
PLTR icon
Palantir
PLTR
+$55.6M
5
IPG
Interpublic Group of Companies
IPG
+$46.6M

Top Sells

Rank Stock Value
1
BMY icon
Bristol-Myers Squibb
BMY
+$30.1M
2
X
US Steel
X
+$29M
3
MRVL icon
Marvell Technology
MRVL
+$23.4M
4
GOOG icon
Alphabet (Google) Class C
GOOG
+$21.6M
5
ACI icon
Albertsons Companies
ACI
+$20.6M

Sector Composition

Rank Sector Weight
1 Technology 19.25%
2 Financials 7.82%
3 Consumer Discretionary 6.68%
4 Healthcare 6.66%
5 Communication Services 6.35%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SIMO icon
776
Silicon Motion
SIMO
$7.62B
– –
-68,589
Closed -$3.71M
SITM icon
777
SiTime
SITM
$14.7B
– –
-6,814
Closed -$1.46M
SMIN icon
778
iShares MSCI India Small-Cap ETF
SMIN
$756M
– –
-75,273
Closed -$5.75M
SMTC icon
779
Semtech
SMTC
$10.4B
– –
-75,672
Closed -$4.68M
TGLS icon
780
Tecnoglass
TGLS
$2.09B
– –
-15,266
Closed -$1.21M
THQ
781
abrdn Healthcare Opportunities Fund
THQ
$785M
– –
-26,108
Closed -$493K
UBER icon
782
PUT
Uber
UBER
$142B
– –
-105,000
Closed -$7.89M
V icon
783
CALL
Visa
V
$701B
– –
-65,500
Closed -$18M
VRT icon
784
Vertiv
VRT
$103B
– –
-10,465
Closed -$1.19M
VSEC icon
785
VSE Corp
VSEC
$5.52B
– –
-6,024
Closed -$573K
WIX icon
786
CALL
WIX.com
WIX
$2.43B
– –
-22,300
Closed -$3.73M
WLDN icon
787
Willdan Group
WLDN
$1.08B
– –
-15,067
Closed -$574K
WTFC icon
788
CALL
Wintrust Financial
WTFC
$10.9B
– –
-77,600
Closed -$8.42M
X
789
DELISTED
US Steel
X
– –
-851,744
Closed -$29M
XPO icon
790
XPO
XPO
$24.4B
– –
-11,817
Closed -$1.55M
Z icon
791
Zillow
Z
$7.66B
– –
-24,855
Closed -$1.84M
ZS icon
792
Zscaler
ZS
$24.9B
– –
-4,819
Closed -$869K
ALAB icon
793
Astera Labs
ALAB
$45.8B
– –
-12,785
Closed -$1.69M
LOAR icon
794
Loar Holdings
LOAR
$6.82B
– –
-8,521
Closed -$630K
OS
795
DELISTED
OneStream Inc
OS
– –
-48,627
Closed -$1.39M
SBXD.U
796
SilverBox Corp IV Units
SBXD.U
– –
-500,000
Closed -$5.08M
HONDU
797
DELISTED
HCM II Acquisition Corp Unit
HONDU
– –
-500,000
Closed -$5.04M
GIGGU
798
DELISTED
GigCapital7 Corp Unit
GIGGU
– –
-925,000
Closed -$9.33M
VCICU
799
DELISTED
Vine Hill Capital Investment Corp Unit
VCICU
– –
-925,000
Closed -$9.36M
POLEU
800
Andretti Acquisition Corp II Unit
POLEU
– –
-825,000
Closed -$8.28M
29 30 31
32
33

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N
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TWC
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FDCDDQ
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NA
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Calamos Advisors's Q1 2025 Portfolio in Review

As of Q1 2025, Calamos Advisors held 1,013 positions worth $23B, down 3.9% from $23.9B the previous quarter. Its ten largest holdings account for 25% of the portfolio.

Calamos Advisors withdrew a net $5.6B in Q1 2025, closing 109 positions and reducing 162 holdings. Its most notable exit was US Steel, an estimated $29M position sold in full.

By sector, the portfolio is most concentrated in Technology at 19% of assets, down from 21% a quarter earlier, followed by Financials and Consumer Discretionary.

Against the trend, Calamos Advisors opened a new position in KKR & Co 6.25% Series D Preferred Stock worth $70.9M.

  • Calamos Advisors's largest Q1 2025 buy was KKR & Co 6.25% Series D Preferred Stock: 1,435,950 shares worth $70.9M.
  • Calamos Advisors added most to State Street SPDR S&P 500 ETF Trust in Q1 2025, an estimated $409M increase.
  • Calamos Advisors's biggest Q1 2025 reduction was Bristol-Myers Squibb, cutting an estimated $30.1M.
  • Calamos Advisors fully exited US Steel in Q1 2025, selling an estimated $29M.
  • Calamos Advisors's ten largest holdings make up 25% of its $23B portfolio in Q1 2025.
  • Calamos Advisors opened 110 new positions and closed 109 in Q1 2025.
  • Calamos Advisors's portfolio value fell 3.9% quarter-over-quarter to $23B.

Based on Calamos Advisors's 13F filing for Q1 2025, filed 29 Apr 2025.