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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
-1.8%
1 Year Est. Return
+21.78%
3 Year Est. Return
+69.57%
5 Year Est. Return
+92%
10 Year Est. Return
+282.63%
AUM
$28.2B
AUM Growth
+$1.6B
Cap. Flow
-$1.59B
Cap. Flow %
-5.63%
Top 10 Hldgs %
26.64%
Holding
1,290
New
392
Increased
294
Reduced
135
Closed
94

Top Buys

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$391M
2
AAPL icon
Apple
AAPL
+$209M
3
ORCL.PRD
Oracle Corp Preferred Stock Series D
ORCL.PRD
+$193M
4
NVDA icon
NVIDIA
NVDA
+$178M
5
IVV icon
iShares Core S&P 500 ETF
IVV
+$177M

Top Sells

Rank Stock Value
1
CYBR
CyberArk
CYBR
+$43.3M
2
TGNA
TEGNA Inc
TGNA
+$32.3M
3
HPE.PRC
Hewlett Packard Enterprise 7.625% Series C Preferred Stock
HPE.PRC
+$30.5M
4
MU icon
Micron Technology
MU
+$30M
5
IBB icon
iShares Biotechnology ETF
IBB
+$28.4M

Sector Composition

Rank Sector Weight
1 Technology 21.43%
2 Communication Services 6.93%
3 Financials 6.9%
4 Consumer Discretionary 6.57%
5 Healthcare 5.99%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CHECU
626
Chenghe Acquisition III Co Units
CHECU
$1.01M ﹤0.01%
100,000
– –
SAC.U
627
Safeguard Acquisition Corp Units
SAC.U
$1.01M ﹤0.01%
100,000
– –
LATAU
628
Galata Acquisition Corp. II Units
LATAU
$1.01M ﹤0.01%
100,000
– –
CBTJ
629
Calamos Bitcoin 80 Series Structured Alt Protection ETF - January
CBTJ
$23.2M
$1.01M ﹤0.01%
53,486
+37,046
+225% +$748K
NRO
630
Neuberger Real Estate Securities Income Fund Inc
NRO
$194M
$1.01M ﹤0.01%
354,913
+137,195
+63% +$411K
CCXIU
631
Churchill Capital Corp XI Units
CCXIU
$439M
$1.01M ﹤0.01%
98,324
– –
HDB icon
632
HDFC Bank
HDB
$119B
$1.01M ﹤0.01%
40,434
-110
-0.3% -$3.42K
ALOVU
633
Aldabra 4 Liquidity Opportunity Vehicle Inc Units
ALOVU
$997K ﹤0.01%
+100,000
New +$998K
CBTO
634
Calamos Bitcoin 80 Series Structured Alt Protection ETF - October
CBTO
$27.6M
$995K ﹤0.01%
49,635
+30,533
+160% +$633K
MUZEU
635
Muzero Acquisition Corp Unit
MUZEU
$188M
$993K ﹤0.01%
+100,000
New +$997K
TT icon
636
Trane Technologies
TT
$106B
$991K ﹤0.01%
2,379
-323
-12% -$137K
MEVOU
637
M Evo Global Acquisition Corp II Units
MEVOU
$990K ﹤0.01%
+98,670
New +$990K
DSACU
638
Daedalus Special Acquisition Corp Unit
DSACU
$986K ﹤0.01%
98,317
– –
LEGO.U
639
Legato Merger Corp IV Units
LEGO.U
$984K ﹤0.01%
+98,437
New +$986K
NGS icon
640
Natural Gas Services Group
NGS
$470M
$983K ﹤0.01%
26,046
+5,292
+25% +$193K
NGG icon
641
National Grid
NGG
$81.9B
$980K ﹤0.01%
11,588
-125
-1% -$10.8K
CP icon
642
Canadian Pacific Kansas City
CP
$82B
$974K ﹤0.01%
12,378
-117,577
-90% -$9.29M
SHY icon
643
iShares 1-3 Year Treasury Bond ETF
SHY
$25.4B
$972K ﹤0.01%
+11,768
New +$974K
HLN icon
644
Haleon
HLN
$43.1B
$969K ﹤0.01%
96,776
-86
-0.1% -$895
ARWR icon
645
Arrowhead Research
ARWR
$12.1B
$965K ﹤0.01%
+15,396
New +$975K
DCO icon
646
Ducommun
DCO
$2.68B
$960K ﹤0.01%
+7,866
New +$941K
USIG icon
647
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.2B
$957K ﹤0.01%
+18,690
New +$968K
CPRO
648
Calamos Russell 2000 Structured Alt Protection ETF - October
CPRO
$28.3M
$956K ﹤0.01%
+35,208
New +$959K
JBL icon
649
Jabil
JBL
$32.8B
$946K ﹤0.01%
+3,563
New +$898K
QUAL icon
650
iShares MSCI USA Quality Factor ETF
QUAL
$45.8B
$944K ﹤0.01%
+4,920
New +$986K
24 25
26
27 28

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TWC
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Calamos Advisors's Q1 2026 Portfolio in Review

As of Q1 2026, Calamos Advisors held 1,290 positions worth $28.2B, up 6% from $26.6B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

Calamos Advisors withdrew a net $1.59B in Q1 2026, closing 94 positions and reducing 135 holdings. Its most notable exit was CyberArk, an estimated $43.3M position sold in full.

By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Communication Services and Financials.

Against the trend, Calamos Advisors opened a new position in Oracle Corp Preferred Stock Series D worth $184M.

  • Calamos Advisors's largest Q1 2026 buy was Oracle Corp Preferred Stock Series D: 4,083,470 shares worth $184M.
  • Calamos Advisors added most to State Street SPDR S&P 500 ETF Trust in Q1 2026, an estimated $391M increase.
  • Calamos Advisors's biggest Q1 2026 reduction was Hewlett Packard Enterprise 7.625% Series C Preferred Stock, cutting an estimated $30.5M.
  • Calamos Advisors fully exited CyberArk in Q1 2026, selling an estimated $43.3M.
  • Calamos Advisors's ten largest holdings make up 27% of its $28.2B portfolio in Q1 2026.
  • Calamos Advisors opened 392 new positions and closed 94 in Q1 2026.
  • Calamos Advisors's portfolio value rose 6% quarter-over-quarter to $28.2B.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.