Calamos Advisors LLC

CIK: 0001316507Latest portfolio: $26.6B · Q4 2025

Holdings

890

Total Value

$26.6B

New Positions

868

Closed Positions

0

#StockSharesValue% PortfolioChangeType
1
NVDANVIDIA CORPORATION
7,315,096$1.4B5.12%NEWPut
2
SPYSPDR S&P 500 ETF TR
1,667,067$1.1B4.18%NEWPut
3
AAPLAPPLE INC
3,985,558$1.1B4.07%NEWCall
4
MSFTMICROSOFT CORP
2,153,149$1.0B3.91%NEWCall
5
AMZNAMAZON COM INC
3,148,763$726.7M2.73%NEWCall
6
GOOGLALPHABET INC
2,293,467$717.3M2.69%NEWCall
7
NDQINVESCO QQQ TR
850,660$510.7M1.92%NEWPut
8
AVGOBROADCOM INC
1,408,514$487.1M1.83%NEWCall
9
METAMETA PLATFORMS INC
665,251$439.3M1.65%NEWCall
10
TSLATESLA INC
801,931$360.6M1.35%NEWCall
11
WDC 3 11/15/28WESTERN DIGITAL CORP
76,409,000$350.6M1.32%NEW
12
BABA 0.5 06/01/31ALIBABA GROUP HLDG LTD
192,109,000$298.7M1.12%NEW
13
LLYELI LILLY & CO
272,554$292.9M1.10%NEW
14
GOOGALPHABET INC
924,074$290.0M1.09%NEW
15
IWMISHARES TR
1,163,965$282.0M1.06%NEWPut
16
NFLXNETFLIX INC
1,693,590$253.3M0.95%NEWCall
17
VVISA INC
698,009$244.8M0.92%NEW
18
JPMJPMORGAN CHASE & CO.
713,195$229.8M0.86%NEW
19
BA 6 10/15/27BOEING CO
3,109,660$214.8M0.81%NEW
20
WMTWALMART INC
1,478,905$164.8M0.62%NEW
21
SPOT 0 03/15/26SPOTIFY USA INC
143,410,000$163.3M0.61%NEW
22
WFCWELLS FARGO CO NEW
1,745,144$162.6M0.61%NEW
23
GSGOLDMAN SACHS GROUP INC
170,397$149.8M0.56%NEW
24
PPL 2.875 03/15/28PPL CAP FDG INC
131,729,000$144.7M0.54%NEW
25
WWAYFAIR INC
61,665,000$141.8M0.53%NEW

Quarterly Changes

New Positions

Closed Positions

No closed positions this quarter

Sector Breakdown

TechnologyNaN% ($InfinityT)
Financial ServicesNaN% ($InfinityT)
UnknownNaN% ($InfinityT)
IndustrialsNaN% ($InfinityT)
Healthcare0.0% ($2.9290813467210656e+289T)
Consumer Cyclical0.0% ($7.2670236062614175e+168T)
Consumer Defensive0.0% ($1.647647790968996e+107T)
Energy0.0% ($1.4134893596509365e+97T)
Communication Services0.0% ($7.1726743928129e+90T)
Utilities0.0% ($8.651086212590812e+69T)
Basic Materials0.0% ($8.549858520471011e+50T)
Real Estate0.0% ($2.5308250202109516e+45T)

Filing History

QuarterFiling DatePortfolio ValueHoldings
Q4 2025Jan 29, 2026$26.6B997
Q3 2025Oct 20, 2025$27.1T0
Q2 2025Aug 8, 2025$25.4T991
Q1 2025Apr 29, 2025$23.0T987
Q4 2024Jan 24, 2025$23911.1T1,059
Q3 2024Nov 7, 2024$23126.3T1,072
Q2 2024Jul 25, 2024$22515.4T1,087
Q1 2024May 8, 2024$21107.3T1,097
Q4 2023Jan 31, 2024$20616.7T1,062
Q3 2023Oct 26, 2023$19247.9T1,066
Q2 2023Jul 28, 2023$20212.2T1,127
Q1 2023May 4, 2023$20475.2T1,256
Q4 2022Jan 26, 2023$21316.2T1,342
Q3 2022Oct 24, 2022$21.9T1,489
Q2 2022Aug 1, 2022$23.2T1,350
Q1 2022May 3, 2022$26.6T1,405
Q4 2021Feb 1, 2022$26.7T1,353
Q3 2021Oct 26, 2021$22.9T1,214
Q2 2021Jul 22, 2021$21.9T1,224
Q1 2021Apr 12, 2021$18.3T1,180
Q4 2020Jan 27, 2021$17.2T990
Q3 2020Oct 26, 2020$15.5T945
Q2 2020Jul 27, 2020$14.1T960
Q1 2020Apr 28, 2020$12.7T918
Q4 2019Jan 15, 2020$20.2T1,032
Q3 2019Oct 21, 2019$18.4T993
Q2 2019Aug 7, 2019$18.0T980
Q1 2019Apr 12, 2019$16.0T653
Q4 2018Jan 24, 2019$15.2T673
Q3 2018Oct 22, 2018$18.2T686
Q2 2018Jul 17, 2018$16.4T597
Q1 2018Apr 13, 2018$15.4T602
Q4 2017Feb 13, 2018$19.6T600
Q3 2017Oct 25, 2017$12.9T620
Q2 2017Aug 9, 2017$13.5T606
Q1 2017Apr 20, 2017$12.7T615
Q4 2016Feb 6, 2017$12.6T632
Q3 2016Nov 14, 2016$14.0T599
Q2 2016Jul 26, 2016$14.3T612
Q1 2016Apr 25, 2016$15.1T622

Fund Information

CIK0001316507
Most Recent FilingJan 29, 2026
Number of Filings40

Calamos Advisors LLC is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $26.6B across 890 holdings. The largest position is NVIDIA CORPORATION (NVDA), representing 5.1% of the portfolio. Compared to the previous quarter, the fund opened 890 new positions and closed 0 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.