Calamos Advisors LLC

SEC CIK: 0001316507
Latest filing: Jul 31, 2026

SEC filings (opens in a new tab)

WM holding history

Waste Management Inc 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.

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

Shares (Q2 2026): 160,952
Value: $35.9M
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of WM by Calamos Advisors LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	160,952	$35.9M	0.1%	−69,911−30.3%	Reduced	Holders
Q1 2026	230,863	$53.1M	0.2%	+36,944+19.1%	Added	Holders
Q4 2025	193,919	$42.6M	0.2%	−85,135−30.5%	Reduced	Holders
Q3 2025	279,054	$61.6M	0.2%	+43,476+18.5%	Added	Holders
Q2 2025	235,578	$53.9M	0.2%	−47,922−16.9%	Reduced	Holders
Q1 2025	283,500	$65.6M	0.3%	+7,751+2.8%	Added	Holders
Q4 2024	275,749	$55.6M	0.3%	+114,236+70.7%	Added	Holders
Q3 2024	161,513	$33.5M	0.2%	−2,745−1.7%	Reduced	Holders
Q2 2024	164,258	$35.0M	0.2%	−7,359−4.3%	Reduced	Holders
Q1 2024	171,617	$36.6M	0.2%	−5,191−2.9%	Reduced	Holders
Q4 2023	176,808	$31.7M	0.2%	−164−0.1%	Reduced	Holders
Q3 2023	176,972	$27.0M	0.1%	+718+0.4%	Added	Holders
Q2 2023	176,254	$30.6M	0.2%	+2,030+1.2%	Added	Holders
Q1 2023	174,224	$28.4M	0.1%	−26,687−13.3%	Reduced	Holders
Q4 2022	200,911	$31.5M	0.2%	−39,698−16.5%	Reduced	Holders
Q3 2022	240,609	$38.5M	0.2%	+2,546+1.1%	Added	Holders
Q2 2022	238,063	$36.4M	0.2%	−13,884−5.5%	Reduced	Holders
Q1 2022	251,947	$39.9M	0.2%	+21,065+9.1%	Added	Holders
Q4 2021	230,882	$38.5M	0.2%	+4,744+2.1%	Added	Holders
Q3 2021	226,138	$33.8M	0.2%	−22,469−9.0%	Reduced	Holders
Q2 2021	248,607	$34.8M	0.2%	+106,398+74.8%	Added	Holders
Q1 2021	142,209	$18.3M	0.1%	–	–	Holders

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