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Calamos Advisors LLC

Position in WM — Waste Management Inc

CIK 1316507 NAPERVILLE, IL

Position in WM

as of Jun 30, 2026 · filed Jul 31, 2026
Position Value
$35,872,981
-$17,177,027 QoQ
Shares Held
160,952
-30.3% QoQ
Ownership
0.040%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
#206
of 2,337 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in WM Over Time

Shares Held

Position Value (USD)

Position in Waste Management

Industrials · as of Jun 30, 2026

Calamos Advisors LLC holds $35,872,981 across 1 Waste Management name. WM ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 WM
Waste Management Inc
This page
160,952 $35,872,981

All Filings in WM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $35,872,981 160,952
2026-03-31 $53,050,008 230,863
2025-12-31 $42,605,943 193,919
2025-09-30 $61,623,494 279,054
2025-06-30 $53,904,957 235,578
2025-03-31 $65,633,085 283,500
2024-12-31 $55,643,390 275,749
2024-09-30 $33,530,098 161,513
2024-06-30 $35,042,801 164,258
2024-03-31 $36,580,163 171,617
2023-12-31 $31,666,312 176,808
2023-09-30 $26,977,611 176,972
2023-06-30 $30,565,968 176,254
2023-03-31 $28,428,130 174,224
2022-12-31 $31,518,917 200,911
2022-09-30 $38,547,967 240,609
2022-06-30 $36,418,877 238,063
2022-03-31 $39,933,599 251,947
2021-12-31 $38,534,205 230,882
2021-09-30 $33,775,971 226,138
2021-06-30 $34,832,326 248,607
2021-03-31 $18,347,805 142,209
2020-12-31 $25,240,086 214,026
2020-09-30 $27,850,684 246,096
2020-06-30 $22,219,812 209,799
2020-03-31 $20,970,115 226,557