Calamos Advisors LLC

SEC CIK: 0001316507
Latest filing: Jul 31, 2026

SEC filings (opens in a new tab)

CMCSA holding history

Comcast Corp in every 13F filed by Calamos Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CMCSA overview All 13F holders of CMCSA Full Q2 2026 holdings

Shares (Q2 2026): 779,744
Value: $19.1M
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of CMCSA by Calamos Advisors LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	779,744	$19.1M	0.1%	−14,473−1.8%	Reduced	Holders
Q1 2026	794,217	$22.8M	0.1%	00.0%	Unchanged	Holders
Q4 2025	794,217	$23.7M	0.1%	−32,201−3.9%	Reduced	Holders
Q3 2025	826,418	$26.0M	0.1%	00.0%	Unchanged	Holders
Q2 2025	826,418	$29.5M	0.1%	00.0%	Unchanged	Holders
Q1 2025	826,418	$30.5M	0.1%	+9,190+1.1%	Added	Holders
Q4 2024	817,228	$30.7M	0.1%	00.0%	Unchanged	Holders
Q3 2024	817,228	$34.1M	0.2%	−20,021−2.4%	Reduced	Holders
Q2 2024	837,249	$32.8M	0.2%	−455,068−35.2%	Reduced	Holders
Q1 2024	1,292,317	$56.0M	0.3%	−18,366−1.4%	Reduced	Holders
Q4 2023	1,310,683	$57.5M	0.3%	−9,004−0.7%	Reduced	Holders
Q3 2023	1,319,687	$58.5M	0.3%	+2,426+0.2%	Added	Holders
Q2 2023	1,317,261	$54.7M	0.3%	+1,050+0.1%	Added	Holders
Q1 2023	1,316,211	$49.9M	0.3%	−111,556−7.8%	Reduced	Holders
Q4 2022	1,427,767	$49.9M	0.2%	−177,393−11.1%	Reduced	Holders
Q3 2022	1,605,160	$47.1M	0.2%	+7700.0%	Added	Holders
Q2 2022	1,604,390	$63.0M	0.3%	+32,408+2.1%	Added	Holders
Q1 2022	1,571,982	$73.6M	0.3%	+154,362+10.9%	Added	Holders
Q4 2021	1,417,620	$71.3M	0.3%	−5,504−0.4%	Reduced	Holders
Q3 2021	1,423,124	$79.6M	0.4%	+89,151+6.7%	Added	Holders
Q2 2021	1,333,973	$76.1M	0.4%	+209,453+18.6%	Added	Holders
Q1 2021	1,124,520	$60.8M	0.4%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.