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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
+19.33%
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
$30.1B
AUM Growth
+$1.84B
Cap. Flow
-$6.55B
Cap. Flow %
-21.8%
Top 10 Hldgs %
28.38%
Holding
1,336
New
131
Increased
151
Reduced
386
Closed
356

Top Buys

Rank Stock Value
1
CBOX
Calamos Tax-Aware Collateral ETF
CBOX
+$1.08B
2
GOOGM
Alphabet Inc Depositary Shares Series A Preferred Stock
GOOGM
+$234M
3
GOOGN
Alphabet Inc Depositary Shares Series B Preferred Stock
GOOGN
+$231M
4
SMCIP
Super Micro Computer Depositary Shares 7% Series A Preferred Stock
SMCIP
+$81.3M
5
ROKU icon
Roku
ROKU
+$39.6M

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$502M
2
AAPL icon
Apple
AAPL
+$244M
3
NVDA icon
NVIDIA
NVDA
+$231M
4
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$194M
5
IVV icon
iShares Core S&P 500 ETF
IVV
+$188M

Sector Composition

Rank Sector Weight
1 Miscellaneous 38.82%
2 Technology 22.91%
3 Communication Services 7.77%
4 Financials 6.69%
5 Consumer Discretionary 6%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CPSR
301
Calamos S&P 500 Structured Alt Protection ETF - March
CPSR
$34M
$9.59M 0.03%
371,322
-57,918
-13% -$1.49M
CPSY
302
Calamos S&P 500 Structured Alt Protection ETF - January
CPSY
$28.7M
$9.59M 0.03%
373,266
+1,184
+0.3% +$30.2K
CPSP
303
Calamos S&P 500 Structured Alt Protection ETF - April
CPSP
$24.5M
$9.59M 0.03%
356,378
-37,770
-10% -$1.01M
CPSO
304
Calamos S&P 500 Structured Alt Protection ETF - October
CPSO
$28.3M
$9.59M 0.03%
344,453
-11,579
-3% -$320K
CPSD
305
Calamos S&P 500 Structured Alt Protection ETF - December
CPSD
$46M
$9.59M 0.03%
359,149
-76,341
-18% -$2.02M
CPSM
306
Calamos S&P 500 Structured Alt Protection ETF - May
CPSM
$59.2M
$9.59M 0.03%
327,705
+930
+0.3% +$27.1K
CPSN
307
Calamos S&P 500 Structured Alt Protection ETF - November
CPSN
$33.8M
$9.59M 0.03%
346,379
-10,434
-3% -$286K
CPSF
308
Calamos S&P 500 Structured Alt Protection ETF - February
CPSF
$34.6M
$9.58M 0.03%
365,522
-60,421
-14% -$1.57M
CPSU
309
Calamos S&P 500 Structured Alt Protection ETF - June
CPSU
$27.9M
$9.58M 0.03%
346,422
+15,664
+5% +$432K
RSI icon
310
Rush Street Interactive
RSI
$3.08B
$9.51M 0.03%
319,616
+4,524
+1% +$119K
DLTR icon
311
Dollar Tree
DLTR
$24.7B
$9.43M 0.03%
77,947
-1,449
-2% -$151K
IQV icon
312
IQVIA
IQV
$44.1B
$9.35M 0.03%
48,367
-97,321
-67% -$17M
DGX icon
313
Quest Diagnostics
DGX
$26.2B
$9.34M 0.03%
44,052
+546
+1% +$107K
KMB icon
314
Kimberly-Clark
KMB
$34.9B
$9.3M 0.03%
84,694
-1,574
-2% -$156K
XYL icon
315
Xylem
XYL
$24.7B
$9.24M 0.03%
78,128
-1,452
-2% -$168K
GLW icon
316
Corning
GLW
$133B
$9.18M 0.03%
35,923
+33,320
+1,280% +$6.06M
HAL icon
317
Halliburton
HAL
$30.9B
$9.15M 0.03%
269,500
– –
IACOU
318
Idea Acquisition Corp Units
IACOU
$9.04M 0.03%
900,000
– –
EOG icon
319
EOG Resources
EOG
$76.2B
$9.04M 0.03%
69,705
-4,175
-6% -$569K
POLE
320
Andretti Acquisition Corp II
POLE
$328M
$8.87M 0.03%
825,000
– –
CHD icon
321
Church & Dwight Co
CHD
$23.4B
$8.86M 0.03%
91,419
-1,699
-2% -$162K
BDX icon
322
Becton Dickinson
BDX
$50.3B
$8.85M 0.03%
58,489
-1,084
-2% -$162K
UCTT
323
Ultra Clean Holdings
UCTT
$3.28B
$8.72M 0.03%
61,129
-28,740
-32% -$2.53M
PAYX icon
324
Paychex
PAYX
$43.3B
$8.68M 0.03%
88,295
-1,641
-2% -$155K
ABNB icon
325
Airbnb
ABNB
$107B
$8.64M 0.03%
60,400
-155,255
-72% -$21.2M
11 12
13
14 15

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Calamos Advisors's Q2 2026 Portfolio in Review

As of Q2 2026, Calamos Advisors held 1,336 positions worth $30.1B, up 6.5% from $28.2B the previous quarter. Its ten largest holdings account for 28% of the portfolio.

Calamos Advisors withdrew a net $6.55B in Q2 2026, closing 356 positions and reducing 386 holdings. Its most notable exit was iShares Russell 3000 ETF, an estimated $57.1M position sold in full.

By sector, the portfolio is most concentrated in Miscellaneous at 39% of assets, up from 38% a quarter earlier, followed by Technology and Communication Services.

Against the trend, Calamos Advisors opened a new position in Calamos Tax-Aware Collateral ETF worth $1.08B.

  • Calamos Advisors's largest Q2 2026 buy was Calamos Tax-Aware Collateral ETF: 10,693,254 shares worth $1.08B.
  • Calamos Advisors added most to Intel in Q2 2026, an estimated $29.7M increase.
  • Calamos Advisors's biggest Q2 2026 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $502M.
  • Calamos Advisors fully exited iShares Russell 3000 ETF in Q2 2026, selling an estimated $57.1M.
  • Calamos Advisors's ten largest holdings make up 28% of its $30.1B portfolio in Q2 2026.
  • Calamos Advisors opened 131 new positions and closed 356 in Q2 2026.
  • Calamos Advisors's portfolio value rose 6.5% quarter-over-quarter to $30.1B.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.