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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
ERC
651
Allspring Multi-Sector Income Fund
ERC
$258M
$653K ﹤0.01%
70,873
+4,725
+7% +$43K
HIO
652
Western Asset High Income Opportunity Fund
HIO
$328M
$639K ﹤0.01%
175,495
+11,700
+7% +$42.7K
OPTXW icon
653
Syntec Optics Holdings Warrant
OPTXW
$17.8M
$638K ﹤0.01%
250,000
– –
PECEU
654
Peace Acquisition Corp Units
PECEU
$629K ﹤0.01%
+60,000
New +$620K
LBRX
655
LB Pharmaceuticals
LBRX
$1.59B
$623K ﹤0.01%
19,198
-4,865
-20% -$143K
CNO icon
656
CNO Financial Group
CNO
$5.11B
$615K ﹤0.01%
+37,103
New +$1.72M
BCX icon
657
BlackRock Resources & Commodities Strategy Trust
BCX
$1.01B
$609K ﹤0.01%
+53,857
New +$647K
BAP icon
658
Credicorp
BAP
$30B
$603K ﹤0.01%
1,549
-4,465
-74% -$1.53M
IGIB icon
659
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.7B
$593K ﹤0.01%
11,151
-32,419
-74% -$1.72M
CBOY
660
Calamos Bitcoin Structured Alt Protection ETF - July
CBOY
$4.99M
$585K ﹤0.01%
23,874
-586
-2% -$14.4K
CBOO
661
Calamos Bitcoin Structured Alt Protection ETF - October
CBOO
$7.39M
$585K ﹤0.01%
23,874
-1,123
-4% -$27.5K
CBOJ
662
Calamos Bitcoin Structured Alt Protection ETF - January
CBOJ
$16.9M
$582K ﹤0.01%
24,722
+917
+4% +$21.6K
OSS icon
663
One Stop Systems
OSS
$245M
$581K ﹤0.01%
+31,973
New +$445K
CBOA
664
Calamos Bitcoin Structured Alt Protection ETF - April
CBOA
$4.97M
$580K ﹤0.01%
24,240
+891
+4% +$21.3K
HFRO
665
Highland Opportunities and Income Fund
HFRO
$405M
$572K ﹤0.01%
80,201
+5,346
+7% +$34.3K
ESOA icon
666
Energy Services of America
ESOA
$223M
$564K ﹤0.01%
29,158
+18,586
+176% +$303K
WTGUU
667
Wintergreen Acquisition Corp Unit
WTGUU
$540K ﹤0.01%
49,244
– –
EFR
668
Eaton Vance Senior Floating-Rate Fund
EFR
$309M
$530K ﹤0.01%
50,010
-27,017
-35% -$284K
TSLA icon
669
CALL
Tesla
TSLA
$1.45T
$520K ﹤0.01%
1,400
-200
-13% -$79.5K
GTERU
670
Globa Terra Acquisition Corp Units
GTERU
$159M
$516K ﹤0.01%
49,377
– –
TYG
671
Tortoise Energy Infrastructure Corp
TYG
$906M
$505K ﹤0.01%
+11,784
New +$541K
UTF icon
672
Cohen & Steers Infrastructure Fund
UTF
$2.98B
$504K ﹤0.01%
18,278
-6,403
-26% -$172K
FTRA.U
673
FutureCorp Space Acquisition 1 Units
FTRA.U
$502K ﹤0.01%
+49,561
New +$503K
AVK
674
Advent Convertible and Income Fund
AVK
$548M
$500K ﹤0.01%
38,189
+25,767
+207% +$324K
VOYG
675
Voyager Technologies
VOYG
$2.16B
$484K ﹤0.01%
15,000
– –
25 26
27
28 29

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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.