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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
+7.18%
1 Year Est. Return
+21.78%
3 Year Est. Return
+69.57%
5 Year Est. Return
+92%
10 Year Est. Return
+282.63%
AUM
$27.1B
AUM Growth
+$1.67B
Cap. Flow
-$6.2B
Cap. Flow %
-22.9%
Top 10 Hldgs %
27.05%
Holding
1,026
New
112
Increased
194
Reduced
154
Closed
107

Top Buys

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$49.3M
2
RCL icon
Royal Caribbean
RCL
+$37.7M
3
CVX icon
Chevron
CVX
+$34.8M
4
NEE icon
NextEra Energy
NEE
+$33M
5
BRKRP
Bruker Corporation 6.375% Series A Preferred Stock
BRKRP
+$26.8M

Top Sells

Rank Stock Value
1
HES
Hess
HES
+$82.2M
2
JNPR
Juniper Networks
JNPR
+$46.5M
3
ANSS
Ansys
ANSS
+$43.9M
4
NEE.PRR
NextEra Energy, Inc. 6.926% Corporate Units
NEE.PRR
+$43.6M
5
AMED
Amedisys
AMED
+$40.3M

Sector Composition

Rank Sector Weight
1 Technology 22.03%
2 Financials 7.42%
3 Consumer Discretionary 7.08%
4 Communication Services 6.95%
5 Healthcare 5.04%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FAASW
826
DELISTED
DigiAsia Corp Warrant
FAASW
– –
-250,000
Closed -$12.5K
MRX
827
Marex Group Limited Ordinary Shares
MRX
$4.62B
– –
-38,075
Closed -$1.5M
LSBPW
828
DELISTED
LakeShore Biopharma Warrants
LSBPW
– –
-146,040
Closed -$5.32K
CGBSW
829
DELISTED
Crown LNG Holdings Limited Warrants
CGBSW
– –
-25,000
Closed -$638
GRDN
830
Guardian Pharmacy Services
GRDN
$2.65B
– –
-27,949
Closed -$596K
IMSR
831
Terrestrial Energy
IMSR
$531M
– –
-500,000
Closed -$5.55M
IMSRW
832
Terrestrial Energy Warrant
IMSRW
$22.2M
– –
-250,000
Closed -$588K
TTAN
833
ServiceTitan Inc
TTAN
$7.48B
– –
-8,155
Closed -$874K
CCCXU
834
DELISTED
Churchill Capital Corp X Unit
CCCXU
– –
-100,000
Closed -$1.03M
CAEP
835
DELISTED
Cantor Equity Partners III
CAEP
– –
-24,641
Closed -$260K
30 31 32 33
34

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Calamos Advisors's Q3 2025 Portfolio in Review

As of Q3 2025, Calamos Advisors held 1,026 positions worth $27.1B, up 6.6% from $25.4B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

Calamos Advisors withdrew a net $6.2B in Q3 2025, closing 107 positions and reducing 154 holdings. Its most notable exit was Hess, an estimated $82.2M position sold in full.

By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 22% a quarter earlier, followed by Financials and Consumer Discretionary.

Against the trend, Calamos Advisors opened a new position in Bruker Corporation 6.375% Series A Preferred Stock worth $27.2M.

  • Calamos Advisors's largest Q3 2025 buy was Bruker Corporation 6.375% Series A Preferred Stock: 100,207 shares worth $27.2M.
  • Calamos Advisors added most to State Street SPDR S&P 500 ETF Trust in Q3 2025, an estimated $49.3M increase.
  • Calamos Advisors's biggest Q3 2025 reduction was Chipotle Mexican Grill, cutting an estimated $24.8M.
  • Calamos Advisors fully exited Hess in Q3 2025, selling an estimated $82.2M.
  • Calamos Advisors's ten largest holdings make up 27% of its $27.1B portfolio in Q3 2025.
  • Calamos Advisors opened 112 new positions and closed 107 in Q3 2025.
  • Calamos Advisors's portfolio value rose 6.6% quarter-over-quarter to $27.1B.

Based on Calamos Advisors's 13F filing for Q3 2025, filed 20 Oct 2025.